Commit 2f95ff90 authored Aug 11, 2016 by Mel Gorman Committed by Linus Torvalds Aug 11, 2016

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@techsingularity.net

Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent c1470b33

fs/proc/meminfo.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -46,7 +46,7 @@ static int meminfo_proc_show(struct seq_file m, void v)
		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();

+1 −1

Original line number	Diff line number	Diff line
		@@ -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];