[PATCH 46/49] x86: Replace e820_/_early string with memblock_

From: Yinghai Lu
Date: Tue Jul 06 2010 - 18:54:50 EST

1.include linux/memblock.h directly. so later could reduce e820.h reference.
2 this patch is done by sed scripts mainly

-v2: use MEMBLOCK_ERROR instead of -1ULL or -1UL

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
arch/x86/include/asm/efi.h | 2 +-
arch/x86/kernel/acpi/sleep.c | 7 ++++---
arch/x86/kernel/apic/numaq_32.c | 3 ++-
arch/x86/kernel/efi.c | 5 +++--
arch/x86/kernel/head32.c | 4 ++--
arch/x86/kernel/head64.c | 4 ++--
arch/x86/kernel/setup.c | 29 ++++++++++++++---------------
arch/x86/kernel/trampoline.c | 8 ++++----
arch/x86/mm/init.c | 7 ++++---
arch/x86/mm/init_32.c | 12 +++++++-----
arch/x86/mm/init_64.c | 11 ++++++-----
arch/x86/mm/k8topology_64.c | 4 +++-
arch/x86/mm/memtest.c | 7 +++----
arch/x86/mm/numa_32.c | 25 +++++++++++++------------
arch/x86/mm/numa_64.c | 34 +++++++++++++++++-----------------
arch/x86/mm/srat_32.c | 3 ++-
arch/x86/mm/srat_64.c | 11 ++++++-----
arch/x86/xen/mmu.c | 5 +++--
arch/x86/xen/setup.c | 3 ++-
mm/bootmem.c | 4 ++--
20 files changed, 100 insertions(+), 88 deletions(-)

diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 8406ed7..8e4a165 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -90,7 +90,7 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
#endif /* CONFIG_X86_32 */

extern int add_efi_memmap;
-extern void efi_reserve_early(void);
+extern void efi_memblock_x86_reserve_range(void);
extern void efi_call_phys_prelog(void);
extern void efi_call_phys_epilog(void);

diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 82e5086..426af03 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -7,6 +7,7 @@

#include <linux/acpi.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/dmi.h>
#include <linux/cpumask.h>
#include <asm/segment.h>
@@ -133,15 +134,15 @@ void __init acpi_reserve_wakeup_memory(void)
return;
}

- mem = find_e820_area(0, 1<<20, WAKEUP_SIZE, PAGE_SIZE);
+ mem = memblock_find_in_range(0, 1<<20, WAKEUP_SIZE, PAGE_SIZE);

- if (mem == -1L) {
+ if (mem == MEMBLOCK_ERROR) {
printk(KERN_ERR "ACPI: Cannot allocate lowmem, S3 disabled.\n");
return;
}
acpi_realmode = (unsigned long) phys_to_virt(mem);
acpi_wakeup_address = mem;
- reserve_early(mem, mem + WAKEUP_SIZE, "ACPI WAKEUP");
+ memblock_x86_reserve_range(mem, mem + WAKEUP_SIZE, "ACPI WAKEUP");
}


diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 3e28401..960f26a 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -26,6 +26,7 @@
#include <linux/nodemask.h>
#include <linux/topology.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/threads.h>
#include <linux/cpumask.h>
#include <linux/kernel.h>
@@ -88,7 +89,7 @@ static inline void numaq_register_node(int node, struct sys_cfg_data *scd)
node_end_pfn[node] =
MB_TO_PAGES(eq->hi_shrd_mem_start + eq->hi_shrd_mem_size);

- e820_register_active_regions(node, node_start_pfn[node],
+ memblock_x86_register_active_regions(node, node_start_pfn[node],
node_end_pfn[node]);

memory_present(node, node_start_pfn[node], node_end_pfn[node]);
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index c2fa9b8..0fe27d7 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -30,6 +30,7 @@
#include <linux/init.h>
#include <linux/efi.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/spinlock.h>
#include <linux/uaccess.h>
#include <linux/time.h>
@@ -275,7 +276,7 @@ static void __init do_add_efi_memmap(void)
sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
}

-void __init efi_reserve_early(void)
+void __init efi_memblock_x86_reserve_range(void)
{
unsigned long pmap;

@@ -290,7 +291,7 @@ void __init efi_reserve_early(void)
boot_params.efi_info.efi_memdesc_size;
memmap.desc_version = boot_params.efi_info.efi_memdesc_version;
memmap.desc_size = boot_params.efi_info.efi_memdesc_size;
- reserve_early(pmap, pmap + memmap.nr_map * memmap.desc_size,
+ memblock_x86_reserve_range(pmap, pmap + memmap.nr_map * memmap.desc_size,
"EFI memmap");
}

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index da60aa8..74e4cf6 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -42,7 +42,7 @@ void __init i386_start_kernel(void)
memblock_x86_reserve_range(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE");
#endif

- reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");
+ memblock_x86_reserve_range(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");

#ifdef CONFIG_BLK_DEV_INITRD
/* Reserve INITRD */
@@ -51,7 +51,7 @@ void __init i386_start_kernel(void)
u64 ramdisk_image = boot_params.hdr.ramdisk_image;
u64 ramdisk_size = boot_params.hdr.ramdisk_size;
u64 ramdisk_end = PAGE_ALIGN(ramdisk_image + ramdisk_size);
- reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
+ memblock_x86_reserve_range(ramdisk_image, ramdisk_end, "RAMDISK");
}
#endif

diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index b0b23e8..3f271ef 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -101,7 +101,7 @@ void __init x86_64_start_reservations(char *real_mode_data)

copy_bootdata(__va(real_mode_data));

- reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");
+ memblock_x86_reserve_range(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");

#ifdef CONFIG_BLK_DEV_INITRD
/* Reserve INITRD */
@@ -110,7 +110,7 @@ void __init x86_64_start_reservations(char *real_mode_data)
unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
unsigned long ramdisk_end = PAGE_ALIGN(ramdisk_image + ramdisk_size);
- reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
+ memblock_x86_reserve_range(ramdisk_image, ramdisk_end, "RAMDISK");
}
#endif

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index f999713..cac2c4c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -303,7 +303,7 @@ static inline void init_gbpages(void)
static void __init reserve_brk(void)
{
if (_brk_end > _brk_start)
- reserve_early(__pa(_brk_start), __pa(_brk_end), "BRK");
+ memblock_x86_reserve_range(__pa(_brk_start), __pa(_brk_end), "BRK");

/* Mark brk area as locked down and no longer taking any
new allocations */
@@ -325,17 +325,16 @@ static void __init relocate_initrd(void)
char *p, *q;

/* We need to move the initrd down into lowmem */
- ramdisk_here = find_e820_area(0, end_of_lowmem, area_size,
+ ramdisk_here = memblock_find_in_range(0, end_of_lowmem, area_size,
PAGE_SIZE);

- if (ramdisk_here == -1ULL)
+ if (ramdisk_here == MEMBLOCK_ERROR)
panic("Cannot find place for new RAMDISK of size %lld\n",
ramdisk_size);

/* Note: this includes all the lowmem currently occupied by
the initrd, we rely on that fact to keep the data intact. */
- reserve_early(ramdisk_here, ramdisk_here + area_size,
- "NEW RAMDISK");
+ memblock_x86_reserve_range(ramdisk_here, ramdisk_here + area_size, "NEW RAMDISK");
initrd_start = ramdisk_here + PAGE_OFFSET;
initrd_end = initrd_start + ramdisk_size;
printk(KERN_INFO "Allocated new RAMDISK: %08llx - %08llx\n",
@@ -391,7 +390,7 @@ static void __init reserve_initrd(void)
initrd_start = 0;

if (ramdisk_size >= (end_of_lowmem>>1)) {
- free_early(ramdisk_image, ramdisk_end);
+ memblock_x86_free_range(ramdisk_image, ramdisk_end);
printk(KERN_ERR "initrd too large to handle, "
"disabling initrd\n");
return;
@@ -414,7 +413,7 @@ static void __init reserve_initrd(void)

relocate_initrd();

- free_early(ramdisk_image, ramdisk_end);
+ memblock_x86_free_range(ramdisk_image, ramdisk_end);
}
#else
static void __init reserve_initrd(void)
@@ -470,7 +469,7 @@ static void __init e820_reserve_setup_data(void)
e820_print_map("reserve setup_data");
}

-static void __init reserve_early_setup_data(void)
+static void __init memblock_x86_reserve_range_setup_data(void)
{
struct setup_data *data;
u64 pa_data;
@@ -482,7 +481,7 @@ static void __init reserve_early_setup_data(void)
while (pa_data) {
data = early_memremap(pa_data, sizeof(*data));
sprintf(buf, "setup data %x", data->type);
- reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf);
+ memblock_x86_reserve_range(pa_data, pa_data+sizeof(*data)+data->len, buf);
pa_data = data->next;
early_iounmap(data, sizeof(*data));
}
@@ -520,23 +519,23 @@ static void __init reserve_crashkernel(void)
if (crash_base <= 0) {
const unsigned long long alignment = 16<<20; /* 16M */

- crash_base = find_e820_area(alignment, ULONG_MAX, crash_size,
+ crash_base = memblock_find_in_range(alignment, ULONG_MAX, crash_size,
alignment);
- if (crash_base == -1ULL) {
+ if (crash_base == MEMBLOCK_ERROR) {
pr_info("crashkernel reservation failed - No suitable area found.\n");
return;
}
} else {
unsigned long long start;

- start = find_e820_area(crash_base, ULONG_MAX, crash_size,
+ start = memblock_find_in_range(crash_base, ULONG_MAX, crash_size,
1<<20);
if (start != crash_base) {
pr_info("crashkernel reservation failed - memory is in use.\n");
return;
}
}
- reserve_early(crash_base, crash_base + crash_size, "CRASH KERNEL");
+ memblock_x86_reserve_range(crash_base, crash_base + crash_size, "CRASH KERNEL");

printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
"for crashkernel (System RAM: %ldMB)\n",
@@ -792,7 +791,7 @@ void __init setup_arch(char **cmdline_p)
#endif
4)) {
efi_enabled = 1;
- efi_reserve_early();
+ efi_memblock_x86_reserve_range();
}
#endif

@@ -852,7 +851,7 @@ void __init setup_arch(char **cmdline_p)
vmi_activate();

/* after early param, so could get panic from serial */
- reserve_early_setup_data();
+ memblock_x86_reserve_range_setup_data();

if (acpi_mps_check()) {
#ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c
index c652ef6..bbfec06 100644
--- a/arch/x86/kernel/trampoline.c
+++ b/arch/x86/kernel/trampoline.c
@@ -1,7 +1,7 @@
#include <linux/io.h>
+#include <linux/memblock.h>

#include <asm/trampoline.h>
-#include <asm/e820.h>

#if defined(CONFIG_X86_64) && defined(CONFIG_ACPI_SLEEP)
#define __trampinit
@@ -19,12 +19,12 @@ void __init reserve_trampoline_memory(void)
unsigned long mem;

/* Has to be in very low memory so we can execute real-mode AP code. */
- mem = find_e820_area(0, 1<<20, TRAMPOLINE_SIZE, PAGE_SIZE);
- if (mem == -1L)
+ mem = memblock_find_in_range(0, 1<<20, TRAMPOLINE_SIZE, PAGE_SIZE);
+ if (mem == MEMBLOCK_ERROR)
panic("Cannot allocate trampoline\n");

trampoline_base = __va(mem);
- reserve_early(mem, mem + TRAMPOLINE_SIZE, "TRAMPOLINE");
+ memblock_x86_reserve_range(mem, mem + TRAMPOLINE_SIZE, "TRAMPOLINE");
}

/*
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index b278535..6a9fffb 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -2,6 +2,7 @@
#include <linux/initrd.h>
#include <linux/ioport.h>
#include <linux/swap.h>
+#include <linux/memblock.h>

#include <asm/cacheflush.h>
#include <asm/e820.h>
@@ -75,9 +76,9 @@ static void __init find_early_table_space(unsigned long end, int use_pse,
#else
start = 0x8000;
#endif
- e820_table_start = find_e820_area(start, max_pfn_mapped<<PAGE_SHIFT,
+ e820_table_start = memblock_find_in_range(start, max_pfn_mapped<<PAGE_SHIFT,
tables, PAGE_SIZE);
- if (e820_table_start == -1UL)
+ if (e820_table_start == MEMBLOCK_ERROR)
panic("Cannot find space for the kernel page tables");

e820_table_start >>= PAGE_SHIFT;
@@ -299,7 +300,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
__flush_tlb_all();

if (!after_bootmem && e820_table_end > e820_table_start)
- reserve_early(e820_table_start << PAGE_SHIFT,
+ memblock_x86_reserve_range(e820_table_start << PAGE_SHIFT,
e820_table_end << PAGE_SHIFT, "PGTABLE");

if (!after_bootmem)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 90e0545..49adf16 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -25,6 +25,7 @@
#include <linux/pfn.h>
#include <linux/poison.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/proc_fs.h>
#include <linux/memory_hotplug.h>
#include <linux/initrd.h>
@@ -712,14 +713,14 @@ void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
highstart_pfn = highend_pfn = max_pfn;
if (max_pfn > max_low_pfn)
highstart_pfn = max_low_pfn;
- e820_register_active_regions(0, 0, highend_pfn);
+ memblock_x86_register_active_regions(0, 0, highend_pfn);
sparse_memory_present_with_active_regions(0);
printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
pages_to_mb(highend_pfn - highstart_pfn));
num_physpages = highend_pfn;
high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
#else
- e820_register_active_regions(0, 0, max_low_pfn);
+ memblock_x86_register_active_regions(0, 0, max_low_pfn);
sparse_memory_present_with_active_regions(0);
num_physpages = max_low_pfn;
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
@@ -781,11 +782,11 @@ void __init setup_bootmem_allocator(void)
* Initialize the boot-time allocator (with low memory only):
*/
bootmap_size = bootmem_bootmap_pages(max_low_pfn)<<PAGE_SHIFT;
- bootmap = find_e820_area(0, max_pfn_mapped<<PAGE_SHIFT, bootmap_size,
+ bootmap = memblock_find_in_range(0, max_pfn_mapped<<PAGE_SHIFT, bootmap_size,
PAGE_SIZE);
- if (bootmap == -1L)
+ if (bootmap == MEMBLOCK_ERROR)
panic("Cannot find bootmem map of size %ld\n", bootmap_size);
- reserve_early(bootmap, bootmap + bootmap_size, "BOOTMAP");
+ memblock_x86_reserve_range(bootmap, bootmap + bootmap_size, "BOOTMAP");
#endif

printk(KERN_INFO " mapped low ram: 0 - %08lx\n",
@@ -1069,3 +1070,4 @@ void mark_rodata_ro(void)
#endif
}
#endif
+
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 634fa08..592b236 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -21,6 +21,7 @@
#include <linux/initrd.h>
#include <linux/pagemap.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/proc_fs.h>
#include <linux/pci.h>
#include <linux/pfn.h>
@@ -577,18 +578,18 @@ void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
unsigned long bootmap_size, bootmap;

bootmap_size = bootmem_bootmap_pages(end_pfn)<<PAGE_SHIFT;
- bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT, bootmap_size,
+ bootmap = memblock_find_in_range(0, end_pfn<<PAGE_SHIFT, bootmap_size,
PAGE_SIZE);
- if (bootmap == -1L)
+ if (bootmap == MEMBLOCK_ERROR)
panic("Cannot find bootmem map of size %ld\n", bootmap_size);
- reserve_early(bootmap, bootmap + bootmap_size, "BOOTMAP");
+ memblock_x86_reserve_range(bootmap, bootmap + bootmap_size, "BOOTMAP");
/* don't touch min_low_pfn */
bootmap_size = init_bootmem_node(NODE_DATA(0), bootmap >> PAGE_SHIFT,
0, end_pfn);
- e820_register_active_regions(0, start_pfn, end_pfn);
+ memblock_x86_register_active_regions(0, start_pfn, end_pfn);
free_bootmem_with_active_regions(0, end_pfn);
#else
- e820_register_active_regions(0, start_pfn, end_pfn);
+ memblock_x86_register_active_regions(0, start_pfn, end_pfn);
#endif
}
#endif
diff --git a/arch/x86/mm/k8topology_64.c b/arch/x86/mm/k8topology_64.c
index 970ed57..966de93 100644
--- a/arch/x86/mm/k8topology_64.c
+++ b/arch/x86/mm/k8topology_64.c
@@ -11,6 +11,8 @@
#include <linux/string.h>
#include <linux/module.h>
#include <linux/nodemask.h>
+#include <linux/memblock.h>
+
#include <asm/io.h>
#include <linux/pci_ids.h>
#include <linux/acpi.h>
@@ -222,7 +224,7 @@ int __init k8_scan_nodes(void)
for_each_node_mask(i, node_possible_map) {
int j;

- e820_register_active_regions(i,
+ memblock_x86_register_active_regions(i,
nodes[i].start >> PAGE_SHIFT,
nodes[i].end >> PAGE_SHIFT);
for (j = apicid_base; j < cores + apicid_base; j++)
diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index 18d244f..92faf3a 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -6,8 +6,7 @@
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/pfn.h>
-
-#include <asm/e820.h>
+#include <linux/memblock.h>

static u64 patterns[] __initdata = {
0,
@@ -35,7 +34,7 @@ static void __init reserve_bad_mem(u64 pattern, u64 start_bad, u64 end_bad)
(unsigned long long) pattern,
(unsigned long long) start_bad,
(unsigned long long) end_bad);
- reserve_early(start_bad, end_bad, "BAD RAM");
+ memblock_x86_reserve_range(start_bad, end_bad, "BAD RAM");
}

static void __init memtest(u64 pattern, u64 start_phys, u64 size)
@@ -74,7 +73,7 @@ static void __init do_one_pass(u64 pattern, u64 start, u64 end)
u64 size = 0;

while (start < end) {
- start = find_e820_area_size(start, &size, 1);
+ start = memblock_x86_find_in_range_size(start, &size, 1);

/* done ? */
if (start >= end)
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 809baaa..ddf9730 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -24,6 +24,7 @@

#include <linux/mm.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/mmzone.h>
#include <linux/highmem.h>
#include <linux/initrd.h>
@@ -120,7 +121,7 @@ int __init get_memcfg_numa_flat(void)

node_start_pfn[0] = 0;
node_end_pfn[0] = max_pfn;
- e820_register_active_regions(0, 0, max_pfn);
+ memblock_x86_register_active_regions(0, 0, max_pfn);
memory_present(0, 0, max_pfn);
node_remap_size[0] = node_memmap_size_bytes(0, 0, max_pfn);

@@ -161,14 +162,14 @@ static void __init allocate_pgdat(int nid)
NODE_DATA(nid) = (pg_data_t *)node_remap_start_vaddr[nid];
else {
unsigned long pgdat_phys;
- pgdat_phys = find_e820_area(min_low_pfn<<PAGE_SHIFT,
+ pgdat_phys = memblock_find_in_range(min_low_pfn<<PAGE_SHIFT,
max_pfn_mapped<<PAGE_SHIFT,
sizeof(pg_data_t),
PAGE_SIZE);
NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(pgdat_phys>>PAGE_SHIFT));
memset(buf, 0, sizeof(buf));
sprintf(buf, "NODE_DATA %d", nid);
- reserve_early(pgdat_phys, pgdat_phys + sizeof(pg_data_t), buf);
+ memblock_x86_reserve_range(pgdat_phys, pgdat_phys + sizeof(pg_data_t), buf);
}
printk(KERN_DEBUG "allocate_pgdat: node %d NODE_DATA %08lx\n",
nid, (unsigned long)NODE_DATA(nid));
@@ -291,15 +292,15 @@ static __init unsigned long calculate_numa_remap_pages(void)
PTRS_PER_PTE);
node_kva_target <<= PAGE_SHIFT;
do {
- node_kva_final = find_e820_area(node_kva_target,
+ node_kva_final = memblock_find_in_range(node_kva_target,
((u64)node_end_pfn[nid])<<PAGE_SHIFT,
((u64)size)<<PAGE_SHIFT,
LARGE_PAGE_BYTES);
node_kva_target -= LARGE_PAGE_BYTES;
- } while (node_kva_final == -1ULL &&
+ } while (node_kva_final == MEMBLOCK_ERROR &&
(node_kva_target>>PAGE_SHIFT) > (node_start_pfn[nid]));

- if (node_kva_final == -1ULL)
+ if (node_kva_final == MEMBLOCK_ERROR)
panic("Can not get kva ram\n");

node_remap_size[nid] = size;
@@ -318,9 +319,9 @@ static __init unsigned long calculate_numa_remap_pages(void)
* but we could have some hole in high memory, and it will only
* check page_is_ram(pfn) && !page_is_reserved_early(pfn) to decide
* to use it as free.
- * So reserve_early here, hope we don't run out of that array
+ * So memblock_x86_reserve_range here, hope we don't run out of that array
*/
- reserve_early(node_kva_final,
+ memblock_x86_reserve_range(node_kva_final,
node_kva_final+(((u64)size)<<PAGE_SHIFT),
"KVA RAM");

@@ -367,14 +368,14 @@ void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,

kva_target_pfn = round_down(max_low_pfn - kva_pages, PTRS_PER_PTE);
do {
- kva_start_pfn = find_e820_area(kva_target_pfn<<PAGE_SHIFT,
+ kva_start_pfn = memblock_find_in_range(kva_target_pfn<<PAGE_SHIFT,
max_low_pfn<<PAGE_SHIFT,
kva_pages<<PAGE_SHIFT,
PTRS_PER_PTE<<PAGE_SHIFT) >> PAGE_SHIFT;
kva_target_pfn -= PTRS_PER_PTE;
- } while (kva_start_pfn == -1UL && kva_target_pfn > min_low_pfn);
+ } while (kva_start_pfn == MEMBLOCK_ERROR && kva_target_pfn > min_low_pfn);

- if (kva_start_pfn == -1UL)
+ if (kva_start_pfn == MEMBLOCK_ERROR)
panic("Can not get kva space\n");

printk(KERN_INFO "kva_start_pfn ~ %lx max_low_pfn ~ %lx\n",
@@ -382,7 +383,7 @@ void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
printk(KERN_INFO "max_pfn = %lx\n", max_pfn);

/* avoid clash with initrd */
- reserve_early(kva_start_pfn<<PAGE_SHIFT,
+ memblock_x86_reserve_range(kva_start_pfn<<PAGE_SHIFT,
(kva_start_pfn + kva_pages)<<PAGE_SHIFT,
"KVA PG");
#ifdef CONFIG_HIGHMEM
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 3d54f9f..984b1ff 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -87,16 +87,16 @@ static int __init allocate_cachealigned_memnodemap(void)

addr = 0x8000;
nodemap_size = roundup(sizeof(s16) * memnodemapsize, L1_CACHE_BYTES);
- nodemap_addr = find_e820_area(addr, max_pfn<<PAGE_SHIFT,
+ nodemap_addr = memblock_find_in_range(addr, max_pfn<<PAGE_SHIFT,
nodemap_size, L1_CACHE_BYTES);
- if (nodemap_addr == -1UL) {
+ if (nodemap_addr == MEMBLOCK_ERROR) {
printk(KERN_ERR
"NUMA: Unable to allocate Memory to Node hash map\n");
nodemap_addr = nodemap_size = 0;
return -1;
}
memnodemap = phys_to_virt(nodemap_addr);
- reserve_early(nodemap_addr, nodemap_addr + nodemap_size, "MEMNODEMAP");
+ memblock_x86_reserve_range(nodemap_addr, nodemap_addr + nodemap_size, "MEMNODEMAP");

printk(KERN_DEBUG "NUMA: Allocated memnodemap from %lx - %lx\n",
nodemap_addr, nodemap_addr + nodemap_size);
@@ -227,7 +227,7 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
if (node_data[nodeid] == NULL)
return;
nodedata_phys = __pa(node_data[nodeid]);
- reserve_early(nodedata_phys, nodedata_phys + pgdat_size, "NODE_DATA");
+ memblock_x86_reserve_range(nodedata_phys, nodedata_phys + pgdat_size, "NODE_DATA");
printk(KERN_INFO " NODE_DATA [%016lx - %016lx]\n", nodedata_phys,
nodedata_phys + pgdat_size - 1);
nid = phys_to_nid(nodedata_phys);
@@ -246,7 +246,7 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
* Find a place for the bootmem map
* nodedata_phys could be on other nodes by alloc_bootmem,
* so need to sure bootmap_start not to be small, otherwise
- * early_node_mem will get that with find_e820_area instead
+ * early_node_mem will get that with memblock_find_in_range instead
* of alloc_bootmem, that could clash with reserved range
*/
bootmap_pages = bootmem_bootmap_pages(last_pfn - start_pfn);
@@ -258,12 +258,12 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
bootmap = early_node_mem(nodeid, bootmap_start, end,
bootmap_pages<<PAGE_SHIFT, PAGE_SIZE);
if (bootmap == NULL) {
- free_early(nodedata_phys, nodedata_phys + pgdat_size);
+ memblock_x86_free_range(nodedata_phys, nodedata_phys + pgdat_size);
node_data[nodeid] = NULL;
return;
}
bootmap_start = __pa(bootmap);
- reserve_early(bootmap_start, bootmap_start+(bootmap_pages<<PAGE_SHIFT),
+ memblock_x86_reserve_range(bootmap_start, bootmap_start+(bootmap_pages<<PAGE_SHIFT),
"BOOTMAP");

bootmap_size = init_bootmem_node(NODE_DATA(nodeid),
@@ -417,7 +417,7 @@ static int __init split_nodes_interleave(u64 addr, u64 max_addr,
nr_nodes = MAX_NUMNODES;
}

- size = (max_addr - addr - e820_hole_size(addr, max_addr)) / nr_nodes;
+ size = (max_addr - addr - memblock_x86_hole_size(addr, max_addr)) / nr_nodes;
/*
* Calculate the number of big nodes that can be allocated as a result
* of consolidating the remainder.
@@ -453,7 +453,7 @@ static int __init split_nodes_interleave(u64 addr, u64 max_addr,
* non-reserved memory is less than the per-node size.
*/
while (end - physnodes[i].start -
- e820_hole_size(physnodes[i].start, end) < size) {
+ memblock_x86_hole_size(physnodes[i].start, end) < size) {
end += FAKE_NODE_MIN_SIZE;
if (end > physnodes[i].end) {
end = physnodes[i].end;
@@ -467,7 +467,7 @@ static int __init split_nodes_interleave(u64 addr, u64 max_addr,
* this one must extend to the boundary.
*/
if (end < dma32_end && dma32_end - end -
- e820_hole_size(end, dma32_end) < FAKE_NODE_MIN_SIZE)
+ memblock_x86_hole_size(end, dma32_end) < FAKE_NODE_MIN_SIZE)
end = dma32_end;

/*
@@ -476,7 +476,7 @@ static int __init split_nodes_interleave(u64 addr, u64 max_addr,
* physical node.
*/
if (physnodes[i].end - end -
- e820_hole_size(end, physnodes[i].end) < size)
+ memblock_x86_hole_size(end, physnodes[i].end) < size)
end = physnodes[i].end;

/*
@@ -504,7 +504,7 @@ static u64 __init find_end_of_node(u64 start, u64 max_addr, u64 size)
{
u64 end = start + size;

- while (end - start - e820_hole_size(start, end) < size) {
+ while (end - start - memblock_x86_hole_size(start, end) < size) {
end += FAKE_NODE_MIN_SIZE;
if (end > max_addr) {
end = max_addr;
@@ -533,7 +533,7 @@ static int __init split_nodes_size_interleave(u64 addr, u64 max_addr, u64 size)
* creates a uniform distribution of node sizes across the entire
* machine (but not necessarily over physical nodes).
*/
- min_size = (max_addr - addr - e820_hole_size(addr, max_addr)) /
+ min_size = (max_addr - addr - memblock_x86_hole_size(addr, max_addr)) /
MAX_NUMNODES;
min_size = max(min_size, FAKE_NODE_MIN_SIZE);
if ((min_size & FAKE_NODE_MIN_HASH_MASK) < min_size)
@@ -566,7 +566,7 @@ static int __init split_nodes_size_interleave(u64 addr, u64 max_addr, u64 size)
* this one must extend to the boundary.
*/
if (end < dma32_end && dma32_end - end -
- e820_hole_size(end, dma32_end) < FAKE_NODE_MIN_SIZE)
+ memblock_x86_hole_size(end, dma32_end) < FAKE_NODE_MIN_SIZE)
end = dma32_end;

/*
@@ -575,7 +575,7 @@ static int __init split_nodes_size_interleave(u64 addr, u64 max_addr, u64 size)
* physical node.
*/
if (physnodes[i].end - end -
- e820_hole_size(end, physnodes[i].end) < size)
+ memblock_x86_hole_size(end, physnodes[i].end) < size)
end = physnodes[i].end;

/*
@@ -639,7 +639,7 @@ static int __init numa_emulation(unsigned long start_pfn,
*/
remove_all_active_ranges();
for_each_node_mask(i, node_possible_map) {
- e820_register_active_regions(i, nodes[i].start >> PAGE_SHIFT,
+ memblock_x86_register_active_regions(i, nodes[i].start >> PAGE_SHIFT,
nodes[i].end >> PAGE_SHIFT);
setup_node_bootmem(i, nodes[i].start, nodes[i].end);
}
@@ -692,7 +692,7 @@ void __init initmem_init(unsigned long start_pfn, unsigned long last_pfn,
node_set(0, node_possible_map);
for (i = 0; i < nr_cpu_ids; i++)
numa_set_node(i, 0);
- e820_register_active_regions(0, start_pfn, last_pfn);
+ memblock_x86_register_active_regions(0, start_pfn, last_pfn);
setup_node_bootmem(0, start_pfn << PAGE_SHIFT, last_pfn << PAGE_SHIFT);
}

diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index 9324f13..a17dffd 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -25,6 +25,7 @@
*/
#include <linux/mm.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/mmzone.h>
#include <linux/acpi.h>
#include <linux/nodemask.h>
@@ -264,7 +265,7 @@ int __init get_memcfg_from_srat(void)
if (node_read_chunk(chunk->nid, chunk))
continue;

- e820_register_active_regions(chunk->nid, chunk->start_pfn,
+ memblock_x86_register_active_regions(chunk->nid, chunk->start_pfn,
min(chunk->end_pfn, max_pfn));
}
/* for out of order entries in SRAT */
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index f9897f7..7f44eb6 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/topology.h>
#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/mm.h>
#include <asm/proto.h>
#include <asm/numa.h>
@@ -98,15 +99,15 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
unsigned long phys;

length = slit->header.length;
- phys = find_e820_area(0, max_pfn_mapped<<PAGE_SHIFT, length,
+ phys = memblock_find_in_range(0, max_pfn_mapped<<PAGE_SHIFT, length,
PAGE_SIZE);

- if (phys == -1L)
+ if (phys == MEMBLOCK_ERROR)
panic(" Can not save slit!\n");

acpi_slit = __va(phys);
memcpy(acpi_slit, slit, length);
- reserve_early(phys, phys + length, "ACPI SLIT");
+ memblock_x86_reserve_range(phys, phys + length, "ACPI SLIT");
}

/* Callback for Proximity Domain -> x2APIC mapping */
@@ -324,7 +325,7 @@ static int __init nodes_cover_memory(const struct bootnode *nodes)
pxmram = 0;
}

- e820ram = max_pfn - (e820_hole_size(0, max_pfn<<PAGE_SHIFT)>>PAGE_SHIFT);
+ e820ram = max_pfn - (memblock_x86_hole_size(0, max_pfn<<PAGE_SHIFT)>>PAGE_SHIFT);
/* We seem to lose 3 pages somewhere. Allow 1M of slack. */
if ((long)(e820ram - pxmram) >= (1<<(20 - PAGE_SHIFT))) {
printk(KERN_ERR
@@ -421,7 +422,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
}

for_each_node_mask(i, nodes_parsed)
- e820_register_active_regions(i, nodes[i].start >> PAGE_SHIFT,
+ memblock_x86_register_active_regions(i, nodes[i].start >> PAGE_SHIFT,
nodes[i].end >> PAGE_SHIFT);
/* for out of order entries in SRAT */
sort_node_map();
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 914f046..b511f19 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -44,6 +44,7 @@
#include <linux/bug.h>
#include <linux/module.h>
#include <linux/gfp.h>
+#include <linux/memblock.h>

#include <asm/pgtable.h>
#include <asm/tlbflush.h>
@@ -1735,7 +1736,7 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
__xen_write_cr3(true, __pa(pgd));
xen_mc_issue(PARAVIRT_LAZY_CPU);

- reserve_early(__pa(xen_start_info->pt_base),
+ memblock_x86_reserve_range(__pa(xen_start_info->pt_base),
__pa(xen_start_info->pt_base +
xen_start_info->nr_pt_frames * PAGE_SIZE),
"XEN PAGETABLES");
@@ -1773,7 +1774,7 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,

pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(swapper_pg_dir)));

- reserve_early(__pa(xen_start_info->pt_base),
+ memblock_x86_reserve_range(__pa(xen_start_info->pt_base),
__pa(xen_start_info->pt_base +
xen_start_info->nr_pt_frames * PAGE_SIZE),
"XEN PAGETABLES");
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index ad0047f..2ac8f29 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -8,6 +8,7 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/pm.h>
+#include <linux/memblock.h>

#include <asm/elf.h>
#include <asm/vdso.h>
@@ -61,7 +62,7 @@ char * __init xen_memory_setup(void)
* - xen_start_info
* See comment above "struct start_info" in <xen/interface/xen.h>
*/
- reserve_early(__pa(xen_start_info->mfn_list),
+ memblock_x86_reserve_range(__pa(xen_start_info->mfn_list),
__pa(xen_start_info->pt_base),
"XEN START INFO");

diff --git a/mm/bootmem.c b/mm/bootmem.c
index d6d64db..0af886a 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -435,7 +435,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
unsigned long size)
{
#ifdef CONFIG_NO_BOOTMEM
- free_early(physaddr, physaddr + size);
+ memblock_x86_free_range(physaddr, physaddr + size);
#else
unsigned long start, end;

@@ -460,7 +460,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
void __init free_bootmem(unsigned long addr, unsigned long size)
{
#ifdef CONFIG_NO_BOOTMEM
- free_early(addr, addr + size);
+ memblock_x86_free_range(addr, addr + size);
#else
unsigned long start, end;

--
1.6.4.2

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