The patch titled
Subject: proc, meminfo: use correct helpers for calculating LRU sizes in meminfo
has been added to the -mm tree. Its filename is
proc-meminfo-use-correct-helpers-for-calculating-lru-sizes-in-meminfo.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/proc-meminfo-use-correct-helpers-for-calculating-lru-sizes-in-meminfo.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/proc-meminfo-use-correct-helpers-for-calculating-lru-sizes-in-meminfo.patch
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------------------------------------------------------
From: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Subject: proc, meminfo: use correct helpers for calculating LRU sizes in meminfo
meminfo_proc_show() and si_mem_available() are using the wrong helpers for
calculating the size of the LRUs. The user-visible impact is that there
appears to be an abnormally high number of unevictable pages.
Link: http://lkml.kernel.org/r/20160805105805.GR2799@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/meminfo.c | 2 +-
mm/page_alloc.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -puN fs/proc/meminfo.c~proc-meminfo-use-correct-helpers-for-calculating-lru-sizes-in-meminfo fs/proc/meminfo.c
--- a/fs/proc/meminfo.c~proc-meminfo-use-correct-helpers-for-calculating-lru-sizes-in-meminfo
+++ a/fs/proc/meminfo.c
@@ -46,7 +46,7 @@ static int meminfo_proc_show(struct seq_
cached = 0;
for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
- pages[lru] = global_page_state(NR_LRU_BASE + lru);
+ pages[lru] = global_node_page_state(NR_LRU_BASE + lru);
available = si_mem_available();
diff -puN mm/page_alloc.c~proc-meminfo-use-correct-helpers-for-calculating-lru-sizes-in-meminfo mm/page_alloc.c
--- a/mm/page_alloc.c~proc-meminfo-use-correct-helpers-for-calculating-lru-sizes-in-meminfo
+++ a/mm/page_alloc.c
@@ -4060,7 +4060,7 @@ long si_mem_available(void)
int lru;
for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
- pages[lru] = global_page_state(NR_LRU_BASE + lru);
+ pages[lru] = global_node_page_state(NR_LRU_BASE + lru);
for_each_zone(zone)
wmark_low += zone->watermark[WMARK_LOW];
_
Patches currently in -mm which might be from mgorman@xxxxxxxxxxxxxxxxxxx are
proc-meminfo-use-correct-helpers-for-calculating-lru-sizes-in-meminfo.patch
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