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| author |   Liangcai Fan <liangcaifan19@gmail.com> | 2021-11-05 13:40:37 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 13:30:38 -0700 |
| commit | a6ea8b5b9f1ce3403a1c8516035d653006741e80 (patch) | |
| tree | 2d42504892e23e975caf6adc3062713021869dc5 /init | |
| parent | mm/page_alloc: detect allocation forbidden by cpuset and bail out early (diff) | |
| download | linux-dev-a6ea8b5b9f1ce3403a1c8516035d653006741e80.tar.xz linux-dev-a6ea8b5b9f1ce3403a1c8516035d653006741e80.zip | |
mm/page_alloc.c: show watermark_boost of zone in zoneinfo
min/low/high_wmark_pages(z) is defined as
(z->_watermark[WMARK_MIN/LOW/HIGH] + z->watermark_boost)
If kswapd is frequently woken up due to the increase of
min/low/high_wmark_pages, printing watermark_boost can quickly locate
whether watermark_boost or _watermark[WMARK_MIN/LOW/HIGH] caused
min/low/high_wmark_pages to increase.
Link: https://lkml.kernel.org/r/1632472566-12246-1-git-send-email-liangcaifan19@gmail.com
Signed-off-by: Liangcai Fan <liangcaifan19@gmail.com>
Cc: Chunyan Zhang <zhang.lyra@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions