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mm/page_alloc.c: print reserved_highatomic info 

Print nr_reserved_highatomic in show_free_areas, because when alloc_harder
is false, this value will be subtracted from the free_pages in
__zone_watermark_ok.  Printing this value can help analyze memory
allocaction failure issues.

Link: http://lkml.kernel.org/r/19515f3de2fb6abe66b52e03e4b676a21e82beda.1573634806.git.lijiazi@xiaomi.com
Signed-off-by: lijiazi <lijiazi@xiaomi.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
lijiazi 2019-11-30 17:55:21 -08:00 committed by Linus Torvalds
parent 653e003d7f
commit e47b346aba
1 changed files with 2 additions and 0 deletions
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2
mm/page_alloc.c
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@ -5354,6 +5354,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
" min:%lukB"
" low:%lukB"
" high:%lukB"
" reserved_highatomic:%luKB"
" active_anon:%lukB"
" inactive_anon:%lukB"
" active_file:%lukB"
@ -5375,6 +5376,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
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)),