diff options
| author | Mel Gorman <mgorman@techsingularity.net> | 2021-11-05 23:42:49 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 23:30:40 +0300 |
| commit | 66ce520bb7c22848bfdf3180d7e760a066dbcfbe (patch) | |
| tree | 518f1eaa5a450810cd9ae3d5f860f89c9fc26e5f /mm/vmpressure.c | |
| parent | a19594ca4a8bfb5980de7bcc6ae6cbce8ff9680e (diff) | |
| download | linux-66ce520bb7c22848bfdf3180d7e760a066dbcfbe.tar.xz | |
mm/vmscan: delay waking of tasks throttled on NOPROGRESS
Tracing indicates that tasks throttled on NOPROGRESS are woken
prematurely resulting in occasional massive spikes in direct reclaim
activity. This patch wakes tasks throttled on NOPROGRESS if reclaim
efficiency is at least 12%.
Link: https://lkml.kernel.org/r/20211022144651.19914-9-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: "Darrick J . Wong" <djwong@kernel.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Rik van Riel <riel@surriel.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmpressure.c')
0 files changed, 0 insertions, 0 deletions