[PATCH 28/37] x86: Put 64 bit numa node memmap above 16M

From: Yinghai Lu
Date: Fri May 14 2010 - 15:53:51 EST


Do not use 0x8000 hard code value anymore.

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
arch/x86/mm/numa_64.c | 2 +-
arch/x86/mm/srat_64.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 18d2296..b8438ac 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -88,7 +88,7 @@ static int __init allocate_cachealigned_memnodemap(void)
if (memnodemapsize <= ARRAY_SIZE(memnode.embedded_map))
return 0;

- addr = 0x8000;
+ addr = __pa(MAX_DMA_ADDRESS);
nodemap_size = roundup(sizeof(s16) * memnodemapsize, L1_CACHE_BYTES);
nodemap_addr = lmb_find_area(addr, max_pfn<<PAGE_SHIFT,
nodemap_size, L1_CACHE_BYTES);
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 23f274c..c206b08 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -99,8 +99,8 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
unsigned long phys;

length = slit->header.length;
- phys = lmb_find_area(0, max_pfn_mapped<<PAGE_SHIFT, length,
- PAGE_SIZE);
+ phys = lmb_find_area(__pa(MAX_DMA_ADDRESS), max_pfn_mapped<<PAGE_SHIFT,
+ length, PAGE_SIZE);

if (phys == -1L)
panic(" Can not save slit!\n");
--
1.6.4.2

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