[RFC v2 PATCH 2/3] mm: replace custom PG2KB/KB2PG macros with common ones

From: Oleksandr Natalenko
Date: Sun Sep 19 2021 - 09:13:03 EST


Signed-off-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>
---
arch/arc/include/asm/arcregs.h | 4 +-
arch/powerpc/platforms/pseries/cmm.c | 17 +++---
arch/s390/appldata/appldata_mem.c | 19 +++----
drivers/base/node.c | 69 +++++++++++------------
drivers/scsi/mpt3sas/mpt3sas_base.c | 5 +-
drivers/xen/xen-balloon.c | 11 ++--
include/trace/events/writeback.h | 19 +++----
kernel/debug/kdb/kdb_main.c | 3 +-
mm/backing-dev.c | 20 +++----
mm/memcontrol.c | 18 +++---
mm/oom_kill.c | 16 +++---
mm/page_alloc.c | 84 ++++++++++++++--------------
12 files changed, 136 insertions(+), 149 deletions(-)

diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index 2162023195c5..87becc380d6a 100644
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -146,13 +146,13 @@

#ifndef __ASSEMBLY__

+#include <linux/mm.h>
#include <soc/arc/aux.h>

/* Helpers */
#define TO_KB(bytes) ((bytes) >> 10)
#define TO_MB(bytes) (TO_KB(bytes) >> 10)
-#define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10))
-#define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10)
+#define PAGES_TO_MB(n_pages) (PG2KB(n_pages) >> 10)


/*
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index 45a3a3022a85..c22b9b66b930 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -12,6 +12,7 @@
#include <linux/fs.h>
#include <linux/gfp.h>
#include <linux/kthread.h>
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/oom.h>
#include <linux/reboot.h>
@@ -39,8 +40,6 @@
#define CMM_DISABLE 0
#define CMM_OOM_KB 1024
#define CMM_MIN_MEM_MB 256
-#define KB2PAGES(_p) ((_p)>>(PAGE_SHIFT-10))
-#define PAGES2KB(_p) ((_p)<<(PAGE_SHIFT-10))

#define CMM_MEM_HOTPLUG_PRI 1

@@ -215,13 +214,13 @@ static int cmm_oom_notify(struct notifier_block *self,
unsigned long dummy, void *parm)
{
unsigned long *freed = parm;
- long nr = KB2PAGES(oom_kb);
+ long nr = KB2PG(oom_kb);

cmm_dbg("OOM processing started\n");
nr = cmm_free_pages(nr);
loaned_pages_target = atomic_long_read(&loaned_pages);
- *freed += KB2PAGES(oom_kb) - nr;
- oom_freed_pages += KB2PAGES(oom_kb) - nr;
+ *freed += KB2PG(oom_kb) - nr;
+ oom_freed_pages += KB2PG(oom_kb) - nr;
cmm_dbg("OOM processing complete\n");
return NOTIFY_OK;
}
@@ -251,7 +250,7 @@ static void cmm_get_mpp(void)
PAGE_SIZE);
target = page_loan_request + __loaned_pages;
} else {
- target = KB2PAGES(simulate_loan_target_kb);
+ target = KB2PG(simulate_loan_target_kb);
page_loan_request = target - __loaned_pages;
}

@@ -342,13 +341,13 @@ static int cmm_thread(void *dummy)
} \
static DEVICE_ATTR(name, 0444, show_##name, NULL)

-CMM_SHOW(loaned_kb, "%lu\n", PAGES2KB(atomic_long_read(&loaned_pages)));
-CMM_SHOW(loaned_target_kb, "%lu\n", PAGES2KB(loaned_pages_target));
+CMM_SHOW(loaned_kb, "%lu\n", PG2KB(atomic_long_read(&loaned_pages)));
+CMM_SHOW(loaned_target_kb, "%lu\n", PG2KB(loaned_pages_target));

static ssize_t show_oom_pages(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "%lu\n", PAGES2KB(oom_freed_pages));
+ return sprintf(buf, "%lu\n", PG2KB(oom_freed_pages));
}

static ssize_t store_oom_pages(struct device *dev,
diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c
index 21c3147bd92a..35f02d18d88c 100644
--- a/arch/s390/appldata/appldata_mem.c
+++ b/arch/s390/appldata/appldata_mem.c
@@ -8,6 +8,7 @@
* Author: Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>
*/

+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/errno.h>
@@ -20,8 +21,6 @@
#include "appldata.h"


-#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* Converts #Pages to KB */
-
/*
* Memory data
*
@@ -94,17 +93,17 @@ static void appldata_get_mem_data(void *data)

si_meminfo(&val);
mem_data->sharedram = val.sharedram;
- mem_data->totalram = P2K(val.totalram);
- mem_data->freeram = P2K(val.freeram);
- mem_data->totalhigh = P2K(val.totalhigh);
- mem_data->freehigh = P2K(val.freehigh);
- mem_data->bufferram = P2K(val.bufferram);
- mem_data->cached = P2K(global_node_page_state(NR_FILE_PAGES)
+ mem_data->totalram = PG2KB(val.totalram);
+ mem_data->freeram = PG2KB(val.freeram);
+ mem_data->totalhigh = PG2KB(val.totalhigh);
+ mem_data->freehigh = PG2KB(val.freehigh);
+ mem_data->bufferram = PG2KB(val.bufferram);
+ mem_data->cached = PG2KB(global_node_page_state(NR_FILE_PAGES)
- val.bufferram);

si_swapinfo(&val);
- mem_data->totalswap = P2K(val.totalswap);
- mem_data->freeswap = P2K(val.freeswap);
+ mem_data->totalswap = PG2KB(val.totalswap);
+ mem_data->freeswap = PG2KB(val.freeswap);

mem_data->timestamp = get_tod_clock();
mem_data->sync_count_2++;
diff --git a/drivers/base/node.c b/drivers/base/node.c
index c56d34f8158f..fcacb3d58167 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -365,7 +365,6 @@ static void node_init_caches(unsigned int nid) { }
static void node_remove_caches(struct node *node) { }
#endif

-#define K(x) ((x) << (PAGE_SHIFT - 10))
static ssize_t node_read_meminfo(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -395,20 +394,20 @@ static ssize_t node_read_meminfo(struct device *dev,
"Node %d Inactive(file): %8lu kB\n"
"Node %d Unevictable: %8lu kB\n"
"Node %d Mlocked: %8lu kB\n",
- nid, K(i.totalram),
- nid, K(i.freeram),
- nid, K(i.totalram - i.freeram),
- nid, K(swapcached),
- nid, K(node_page_state(pgdat, NR_ACTIVE_ANON) +
+ nid, PG2KB(i.totalram),
+ nid, PG2KB(i.freeram),
+ nid, PG2KB(i.totalram - i.freeram),
+ nid, PG2KB(swapcached),
+ nid, PG2KB(node_page_state(pgdat, NR_ACTIVE_ANON) +
node_page_state(pgdat, NR_ACTIVE_FILE)),
- nid, K(node_page_state(pgdat, NR_INACTIVE_ANON) +
+ nid, PG2KB(node_page_state(pgdat, NR_INACTIVE_ANON) +
node_page_state(pgdat, NR_INACTIVE_FILE)),
- nid, K(node_page_state(pgdat, NR_ACTIVE_ANON)),
- nid, K(node_page_state(pgdat, NR_INACTIVE_ANON)),
- nid, K(node_page_state(pgdat, NR_ACTIVE_FILE)),
- nid, K(node_page_state(pgdat, NR_INACTIVE_FILE)),
- nid, K(node_page_state(pgdat, NR_UNEVICTABLE)),
- nid, K(sum_zone_node_page_state(nid, NR_MLOCK)));
+ nid, PG2KB(node_page_state(pgdat, NR_ACTIVE_ANON)),
+ nid, PG2KB(node_page_state(pgdat, NR_INACTIVE_ANON)),
+ nid, PG2KB(node_page_state(pgdat, NR_ACTIVE_FILE)),
+ nid, PG2KB(node_page_state(pgdat, NR_INACTIVE_FILE)),
+ nid, PG2KB(node_page_state(pgdat, NR_UNEVICTABLE)),
+ nid, PG2KB(sum_zone_node_page_state(nid, NR_MLOCK)));

#ifdef CONFIG_HIGHMEM
len += sysfs_emit_at(buf, len,
@@ -416,10 +415,10 @@ static ssize_t node_read_meminfo(struct device *dev,
"Node %d HighFree: %8lu kB\n"
"Node %d LowTotal: %8lu kB\n"
"Node %d LowFree: %8lu kB\n",
- nid, K(i.totalhigh),
- nid, K(i.freehigh),
- nid, K(i.totalram - i.totalhigh),
- nid, K(i.freeram - i.freehigh));
+ nid, PG2KB(i.totalhigh),
+ nid, PG2KB(i.freehigh),
+ nid, PG2KB(i.totalram - i.totalhigh),
+ nid, PG2KB(i.freeram - i.freehigh));
#endif
len += sysfs_emit_at(buf, len,
"Node %d Dirty: %8lu kB\n"
@@ -448,32 +447,32 @@ static ssize_t node_read_meminfo(struct device *dev,
"Node %d FilePmdMapped: %8lu kB\n"
#endif
,
- nid, K(node_page_state(pgdat, NR_FILE_DIRTY)),
- nid, K(node_page_state(pgdat, NR_WRITEBACK)),
- nid, K(node_page_state(pgdat, NR_FILE_PAGES)),
- nid, K(node_page_state(pgdat, NR_FILE_MAPPED)),
- nid, K(node_page_state(pgdat, NR_ANON_MAPPED)),
- nid, K(i.sharedram),
+ nid, PG2KB(node_page_state(pgdat, NR_FILE_DIRTY)),
+ nid, PG2KB(node_page_state(pgdat, NR_WRITEBACK)),
+ nid, PG2KB(node_page_state(pgdat, NR_FILE_PAGES)),
+ nid, PG2KB(node_page_state(pgdat, NR_FILE_MAPPED)),
+ nid, PG2KB(node_page_state(pgdat, NR_ANON_MAPPED)),
+ nid, PG2KB(i.sharedram),
nid, node_page_state(pgdat, NR_KERNEL_STACK_KB),
#ifdef CONFIG_SHADOW_CALL_STACK
nid, node_page_state(pgdat, NR_KERNEL_SCS_KB),
#endif
- nid, K(node_page_state(pgdat, NR_PAGETABLE)),
+ nid, PG2KB(node_page_state(pgdat, NR_PAGETABLE)),
nid, 0UL,
- nid, K(sum_zone_node_page_state(nid, NR_BOUNCE)),
- nid, K(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
- nid, K(sreclaimable +
+ nid, PG2KB(sum_zone_node_page_state(nid, NR_BOUNCE)),
+ nid, PG2KB(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
+ nid, PG2KB(sreclaimable +
node_page_state(pgdat, NR_KERNEL_MISC_RECLAIMABLE)),
- nid, K(sreclaimable + sunreclaimable),
- nid, K(sreclaimable),
- nid, K(sunreclaimable)
+ nid, PG2KB(sreclaimable + sunreclaimable),
+ nid, PG2KB(sreclaimable),
+ nid, PG2KB(sunreclaimable)
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
,
- nid, K(node_page_state(pgdat, NR_ANON_THPS)),
- nid, K(node_page_state(pgdat, NR_SHMEM_THPS)),
- nid, K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)),
- nid, K(node_page_state(pgdat, NR_FILE_THPS)),
- nid, K(node_page_state(pgdat, NR_FILE_PMDMAPPED))
+ nid, PG2KB(node_page_state(pgdat, NR_ANON_THPS)),
+ nid, PG2KB(node_page_state(pgdat, NR_SHMEM_THPS)),
+ nid, PG2KB(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)),
+ nid, PG2KB(node_page_state(pgdat, NR_FILE_THPS)),
+ nid, PG2KB(node_page_state(pgdat, NR_FILE_PMDMAPPED))
#endif
);
len += hugetlb_report_node_meminfo(buf, len, nid);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 27eb652b564f..bb11f31f8431 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -44,6 +44,7 @@
*/

#include <linux/kernel.h>
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/init.h>
@@ -2988,8 +2989,6 @@ _base_build_sg_ieee(struct MPT3SAS_ADAPTER *ioc, void *psge,
}
}

-#define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
-
/**
* _base_config_dma_addressing - set dma addressing
* @ioc: per adapter object
@@ -3026,7 +3025,7 @@ _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev)

si_meminfo(&s);
ioc_info(ioc, "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n",
- ioc->dma_mask, convert_to_kb(s.totalram));
+ ioc->dma_mask, PG2KB(s.totalram));

return 0;
}
diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c
index 8cd583db20b1..fdd39e5e1a1e 100644
--- a/drivers/xen/xen-balloon.c
+++ b/drivers/xen/xen-balloon.c
@@ -34,6 +34,7 @@

#include <linux/kernel.h>
#include <linux/errno.h>
+#include <linux/mm.h>
#include <linux/mm_types.h>
#include <linux/init.h>
#include <linux/capability.h>
@@ -47,8 +48,6 @@
#include <xen/page.h>
#include <xen/mem-reservation.h>

-#define PAGES2KB(_p) ((_p)<<(PAGE_SHIFT-10))
-
#define BALLOON_CLASS_NAME "xen_memory"

#ifdef CONFIG_MEMORY_HOTPLUG
@@ -142,9 +141,9 @@ EXPORT_SYMBOL_GPL(xen_balloon_init);
} \
static DEVICE_ATTR_RO(name)

-BALLOON_SHOW(current_kb, "%lu\n", PAGES2KB(balloon_stats.current_pages));
-BALLOON_SHOW(low_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_low));
-BALLOON_SHOW(high_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_high));
+BALLOON_SHOW(current_kb, "%lu\n", PG2KB(balloon_stats.current_pages));
+BALLOON_SHOW(low_kb, "%lu\n", PG2KB(balloon_stats.balloon_low));
+BALLOON_SHOW(high_kb, "%lu\n", PG2KB(balloon_stats.balloon_high));

static DEVICE_ULONG_ATTR(schedule_delay, 0444, balloon_stats.schedule_delay);
static DEVICE_ULONG_ATTR(max_schedule_delay, 0644, balloon_stats.max_schedule_delay);
@@ -155,7 +154,7 @@ static DEVICE_BOOL_ATTR(scrub_pages, 0644, xen_scrub_pages);
static ssize_t target_kb_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
- return sprintf(buf, "%lu\n", PAGES2KB(balloon_stats.target_pages));
+ return sprintf(buf, "%lu\n", PG2KB(balloon_stats.target_pages));
}

static ssize_t target_kb_store(struct device *dev,
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 7dccb66474f7..3a30e0cb3bee 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -5,6 +5,7 @@
#if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_WRITEBACK_H

+#include <linux/mm.h>
#include <linux/tracepoint.h>
#include <linux/backing-dev.h>
#include <linux/writeback.h>
@@ -570,8 +571,6 @@ TRACE_EVENT(global_dirty_state,
)
);

-#define KBps(x) ((x) << (PAGE_SHIFT - 10))
-
TRACE_EVENT(bdi_dirty_ratelimit,

TP_PROTO(struct bdi_writeback *wb,
@@ -593,13 +592,13 @@ TRACE_EVENT(bdi_dirty_ratelimit,

TP_fast_assign(
strscpy_pad(__entry->bdi, bdi_dev_name(wb->bdi), 32);
- __entry->write_bw = KBps(wb->write_bandwidth);
- __entry->avg_write_bw = KBps(wb->avg_write_bandwidth);
- __entry->dirty_rate = KBps(dirty_rate);
- __entry->dirty_ratelimit = KBps(wb->dirty_ratelimit);
- __entry->task_ratelimit = KBps(task_ratelimit);
+ __entry->write_bw = PG2KB(wb->write_bandwidth);
+ __entry->avg_write_bw = PG2KB(wb->avg_write_bandwidth);
+ __entry->dirty_rate = PG2KB(dirty_rate);
+ __entry->dirty_ratelimit = PG2KB(wb->dirty_ratelimit);
+ __entry->task_ratelimit = PG2KB(task_ratelimit);
__entry->balanced_dirty_ratelimit =
- KBps(wb->balanced_dirty_ratelimit);
+ PG2KB(wb->balanced_dirty_ratelimit);
__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
),

@@ -666,8 +665,8 @@ TRACE_EVENT(balance_dirty_pages,
__entry->bdi_setpoint = __entry->setpoint *
bdi_thresh / (thresh + 1);
__entry->bdi_dirty = bdi_dirty;
- __entry->dirty_ratelimit = KBps(dirty_ratelimit);
- __entry->task_ratelimit = KBps(task_ratelimit);
+ __entry->dirty_ratelimit = PG2KB(dirty_ratelimit);
+ __entry->task_ratelimit = PG2KB(task_ratelimit);
__entry->dirtied = dirtied;
__entry->dirtied_pause = current->nr_dirtied_pause;
__entry->think = current->dirty_paused_when == 0 ? 0 :
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index fa6deda894a1..b1bbc8f39171 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -2522,10 +2522,9 @@ static int kdb_summary(int argc, const char **argv)
LOAD_INT(val.loads[2]), LOAD_FRAC(val.loads[2]));

/* Display in kilobytes */
-#define K(x) ((x) << (PAGE_SHIFT - 10))
kdb_printf("\nMemTotal: %8lu kB\nMemFree: %8lu kB\n"
"Buffers: %8lu kB\n",
- K(val.totalram), K(val.freeram), K(val.bufferram));
+ PG2KB(val.totalram), PG2KB(val.freeram), PG2KB(val.bufferram));
return 0;
}

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 4a9d4e27d0d9..b1d9c7bb35b3 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -33,8 +33,6 @@ LIST_HEAD(bdi_list);
/* bdi_wq serves all asynchronous writeback tasks */
struct workqueue_struct *bdi_wq;

-#define K(x) ((x) << (PAGE_SHIFT - 10))
-
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#include <linux/seq_file.h>
@@ -87,14 +85,14 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
"b_dirty_time: %10lu\n"
"bdi_list: %10u\n"
"state: %10lx\n",
- (unsigned long) K(wb_stat(wb, WB_WRITEBACK)),
- (unsigned long) K(wb_stat(wb, WB_RECLAIMABLE)),
- K(wb_thresh),
- K(dirty_thresh),
- K(background_thresh),
- (unsigned long) K(wb_stat(wb, WB_DIRTIED)),
- (unsigned long) K(wb_stat(wb, WB_WRITTEN)),
- (unsigned long) K(wb->write_bandwidth),
+ (unsigned long) PG2KB(wb_stat(wb, WB_WRITEBACK)),
+ (unsigned long) PG2KB(wb_stat(wb, WB_RECLAIMABLE)),
+ PG2KB(wb_thresh),
+ PG2KB(dirty_thresh),
+ PG2KB(background_thresh),
+ (unsigned long) PG2KB(wb_stat(wb, WB_DIRTIED)),
+ (unsigned long) PG2KB(wb_stat(wb, WB_WRITTEN)),
+ (unsigned long) PG2KB(wb->write_bandwidth),
nr_dirty,
nr_io,
nr_more_io,
@@ -157,7 +155,7 @@ static ssize_t name##_show(struct device *dev, \
} \
static DEVICE_ATTR_RW(name);

-BDI_SHOW(read_ahead_kb, K(bdi->ra_pages))
+BDI_SHOW(read_ahead_kb, PG2KB(bdi->ra_pages))

static ssize_t min_ratio_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 47dc4959ead8..5071380c77f0 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -53,6 +53,7 @@
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/vmpressure.h>
+#include <linux/mm.h>
#include <linux/mm_inline.h>
#include <linux/swap_cgroup.h>
#include <linux/cpu.h>
@@ -1471,7 +1472,6 @@ static char *memory_stat_format(struct mem_cgroup *memcg)
return s.buffer;
}

-#define K(x) ((x) << (PAGE_SHIFT-10))
/**
* mem_cgroup_print_oom_context: Print OOM information relevant to
* memory controller.
@@ -1507,19 +1507,19 @@ void mem_cgroup_print_oom_meminfo(struct mem_cgroup *memcg)
char *buf;

pr_info("memory: usage %llukB, limit %llukB, failcnt %lu\n",
- K((u64)page_counter_read(&memcg->memory)),
- K((u64)READ_ONCE(memcg->memory.max)), memcg->memory.failcnt);
+ PG2KB((u64)page_counter_read(&memcg->memory)),
+ PG2KB((u64)READ_ONCE(memcg->memory.max)), memcg->memory.failcnt);
if (cgroup_subsys_on_dfl(memory_cgrp_subsys))
pr_info("swap: usage %llukB, limit %llukB, failcnt %lu\n",
- K((u64)page_counter_read(&memcg->swap)),
- K((u64)READ_ONCE(memcg->swap.max)), memcg->swap.failcnt);
+ PG2KB((u64)page_counter_read(&memcg->swap)),
+ PG2KB((u64)READ_ONCE(memcg->swap.max)), memcg->swap.failcnt);
else {
pr_info("memory+swap: usage %llukB, limit %llukB, failcnt %lu\n",
- K((u64)page_counter_read(&memcg->memsw)),
- K((u64)memcg->memsw.max), memcg->memsw.failcnt);
+ PG2KB((u64)page_counter_read(&memcg->memsw)),
+ PG2KB((u64)memcg->memsw.max), memcg->memsw.failcnt);
pr_info("kmem: usage %llukB, limit %llukB, failcnt %lu\n",
- K((u64)page_counter_read(&memcg->kmem)),
- K((u64)memcg->kmem.max), memcg->kmem.failcnt);
+ PG2KB((u64)page_counter_read(&memcg->kmem)),
+ PG2KB((u64)memcg->kmem.max), memcg->kmem.failcnt);
}

pr_info("Memory cgroup stats for ");
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 431d38c3bba8..9c7a6ec4b298 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -485,8 +485,6 @@ static DECLARE_WAIT_QUEUE_HEAD(oom_victims_wait);

static bool oom_killer_disabled __read_mostly;

-#define K(x) ((x) << (PAGE_SHIFT-10))
-
/*
* task->mm can be NULL if the task is the exited group leader. So to
* determine whether the task is using a particular mm, we examine all the
@@ -599,9 +597,9 @@ static bool oom_reap_task_mm(struct task_struct *tsk, struct mm_struct *mm)

pr_info("oom_reaper: reaped process %d (%s), now anon-rss:%lukB, file-rss:%lukB, shmem-rss:%lukB\n",
task_pid_nr(tsk), tsk->comm,
- K(get_mm_counter(mm, MM_ANONPAGES)),
- K(get_mm_counter(mm, MM_FILEPAGES)),
- K(get_mm_counter(mm, MM_SHMEMPAGES)));
+ PG2KB(get_mm_counter(mm, MM_ANONPAGES)),
+ PG2KB(get_mm_counter(mm, MM_FILEPAGES)),
+ PG2KB(get_mm_counter(mm, MM_SHMEMPAGES)));
out_finish:
trace_finish_task_reaping(tsk->pid);
out_unlock:
@@ -894,10 +892,10 @@ static void __oom_kill_process(struct task_struct *victim, const char *message)
do_send_sig_info(SIGKILL, SEND_SIG_PRIV, victim, PIDTYPE_TGID);
mark_oom_victim(victim);
pr_err("%s: Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB, shmem-rss:%lukB, UID:%u pgtables:%lukB oom_score_adj:%hd\n",
- message, task_pid_nr(victim), victim->comm, K(mm->total_vm),
- K(get_mm_counter(mm, MM_ANONPAGES)),
- K(get_mm_counter(mm, MM_FILEPAGES)),
- K(get_mm_counter(mm, MM_SHMEMPAGES)),
+ message, task_pid_nr(victim), victim->comm, PG2KB(mm->total_vm),
+ PG2KB(get_mm_counter(mm, MM_ANONPAGES)),
+ PG2KB(get_mm_counter(mm, MM_FILEPAGES)),
+ PG2KB(get_mm_counter(mm, MM_SHMEMPAGES)),
from_kuid(&init_user_ns, task_uid(victim)),
mm_pgtables_bytes(mm) >> 10, victim->signal->oom_score_adj);
task_unlock(victim);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3b610b05d9b8..5fad2f6d7d5f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5836,8 +5836,6 @@ static bool show_mem_node_skip(unsigned int flags, int nid, nodemask_t *nodemask
return !node_isset(nid, *nodemask);
}

-#define K(x) ((x) << (PAGE_SHIFT-10))
-
static void show_migration_types(unsigned char type)
{
static const char types[MIGRATE_TYPES] = {
@@ -5946,28 +5944,28 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
" all_unreclaimable? %s"
"\n",
pgdat->node_id,
- K(node_page_state(pgdat, NR_ACTIVE_ANON)),
- K(node_page_state(pgdat, NR_INACTIVE_ANON)),
- K(node_page_state(pgdat, NR_ACTIVE_FILE)),
- K(node_page_state(pgdat, NR_INACTIVE_FILE)),
- K(node_page_state(pgdat, NR_UNEVICTABLE)),
- K(node_page_state(pgdat, NR_ISOLATED_ANON)),
- K(node_page_state(pgdat, NR_ISOLATED_FILE)),
- K(node_page_state(pgdat, NR_FILE_MAPPED)),
- K(node_page_state(pgdat, NR_FILE_DIRTY)),
- K(node_page_state(pgdat, NR_WRITEBACK)),
- K(node_page_state(pgdat, NR_SHMEM)),
+ PG2KB(node_page_state(pgdat, NR_ACTIVE_ANON)),
+ PG2KB(node_page_state(pgdat, NR_INACTIVE_ANON)),
+ PG2KB(node_page_state(pgdat, NR_ACTIVE_FILE)),
+ PG2KB(node_page_state(pgdat, NR_INACTIVE_FILE)),
+ PG2KB(node_page_state(pgdat, NR_UNEVICTABLE)),
+ PG2KB(node_page_state(pgdat, NR_ISOLATED_ANON)),
+ PG2KB(node_page_state(pgdat, NR_ISOLATED_FILE)),
+ PG2KB(node_page_state(pgdat, NR_FILE_MAPPED)),
+ PG2KB(node_page_state(pgdat, NR_FILE_DIRTY)),
+ PG2KB(node_page_state(pgdat, NR_WRITEBACK)),
+ PG2KB(node_page_state(pgdat, NR_SHMEM)),
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- K(node_page_state(pgdat, NR_SHMEM_THPS)),
- K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)),
- K(node_page_state(pgdat, NR_ANON_THPS)),
+ PG2KB(node_page_state(pgdat, NR_SHMEM_THPS)),
+ PG2KB(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)),
+ PG2KB(node_page_state(pgdat, NR_ANON_THPS)),
#endif
- K(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
+ PG2KB(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
node_page_state(pgdat, NR_KERNEL_STACK_KB),
#ifdef CONFIG_SHADOW_CALL_STACK
node_page_state(pgdat, NR_KERNEL_SCS_KB),
#endif
- K(node_page_state(pgdat, NR_PAGETABLE)),
+ PG2KB(node_page_state(pgdat, NR_PAGETABLE)),
pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES ?
"yes" : "no");
}
@@ -6005,24 +6003,24 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
" free_cma:%lukB"
"\n",
zone->name,
- K(zone_page_state(zone, NR_FREE_PAGES)),
- K(min_wmark_pages(zone)),
- K(low_wmark_pages(zone)),
- K(high_wmark_pages(zone)),
- K(zone->nr_reserved_highatomic),
- K(zone_page_state(zone, NR_ZONE_ACTIVE_ANON)),
- K(zone_page_state(zone, NR_ZONE_INACTIVE_ANON)),
- K(zone_page_state(zone, NR_ZONE_ACTIVE_FILE)),
- K(zone_page_state(zone, NR_ZONE_INACTIVE_FILE)),
- K(zone_page_state(zone, NR_ZONE_UNEVICTABLE)),
- K(zone_page_state(zone, NR_ZONE_WRITE_PENDING)),
- K(zone->present_pages),
- K(zone_managed_pages(zone)),
- K(zone_page_state(zone, NR_MLOCK)),
- K(zone_page_state(zone, NR_BOUNCE)),
- K(free_pcp),
- K(this_cpu_read(zone->per_cpu_pageset->count)),
- K(zone_page_state(zone, NR_FREE_CMA_PAGES)));
+ PG2KB(zone_page_state(zone, NR_FREE_PAGES)),
+ PG2KB(min_wmark_pages(zone)),
+ PG2KB(low_wmark_pages(zone)),
+ PG2KB(high_wmark_pages(zone)),
+ PG2KB(zone->nr_reserved_highatomic),
+ PG2KB(zone_page_state(zone, NR_ZONE_ACTIVE_ANON)),
+ PG2KB(zone_page_state(zone, NR_ZONE_INACTIVE_ANON)),
+ PG2KB(zone_page_state(zone, NR_ZONE_ACTIVE_FILE)),
+ PG2KB(zone_page_state(zone, NR_ZONE_INACTIVE_FILE)),
+ PG2KB(zone_page_state(zone, NR_ZONE_UNEVICTABLE)),
+ PG2KB(zone_page_state(zone, NR_ZONE_WRITE_PENDING)),
+ PG2KB(zone->present_pages),
+ PG2KB(zone_managed_pages(zone)),
+ PG2KB(zone_page_state(zone, NR_MLOCK)),
+ PG2KB(zone_page_state(zone, NR_BOUNCE)),
+ PG2KB(free_pcp),
+ PG2KB(this_cpu_read(zone->per_cpu_pageset->count)),
+ PG2KB(zone_page_state(zone, NR_FREE_CMA_PAGES)));
printk("lowmem_reserve[]:");
for (i = 0; i < MAX_NR_ZONES; i++)
printk(KERN_CONT " %ld", zone->lowmem_reserve[i]);
@@ -6056,11 +6054,11 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
spin_unlock_irqrestore(&zone->lock, flags);
for (order = 0; order < MAX_ORDER; order++) {
printk(KERN_CONT "%lu*%lukB ",
- nr[order], K(1UL) << order);
+ nr[order], PG2KB(1UL) << order);
if (nr[order])
show_migration_types(types[order]);
}
- printk(KERN_CONT "= %lukB\n", K(total));
+ printk(KERN_CONT "= %lukB\n", PG2KB(total));
}

hugetlb_show_meminfo();
@@ -8136,7 +8134,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
}

if (pages && s)
- pr_info("Freeing %s memory: %ldK\n", s, K(pages));
+ pr_info("Freeing %s memory: %ldK\n", s, PG2KB(pages));

return pages;
}
@@ -8181,13 +8179,13 @@ void __init mem_init_print_info(void)
", %luK highmem"
#endif
")\n",
- K(nr_free_pages()), K(physpages),
+ PG2KB(nr_free_pages()), PG2KB(physpages),
codesize >> 10, datasize >> 10, rosize >> 10,
(init_data_size + init_code_size) >> 10, bss_size >> 10,
- K(physpages - totalram_pages() - totalcma_pages),
- K(totalcma_pages)
+ PG2KB(physpages - totalram_pages() - totalcma_pages),
+ PG2KB(totalcma_pages)
#ifdef CONFIG_HIGHMEM
- , K(totalhigh_pages())
+ , PG2KB(totalhigh_pages())
#endif
);
}
--
2.33.0