https://github.com/torvalds/linux
Revision 69056ee6a8a3d576ed31e38b3b14c70d6c74edcc authored by Dave Chinner on 12 February 2019, 23:35:51 UTC, committed by Linus Torvalds on 13 February 2019, 00:33:18 UTC
This reverts commit a76cf1a474d7d ("mm: don't reclaim inodes with many attached pages"). This change causes serious changes to page cache and inode cache behaviour and balance, resulting in major performance regressions when combining worklaods such as large file copies and kernel compiles. https://bugzilla.kernel.org/show_bug.cgi?id=202441 This change is a hack to work around the problems introduced by changing how agressive shrinkers are on small caches in commit 172b06c32b94 ("mm: slowly shrink slabs with a relatively small number of objects"). It creates more problems than it solves, wasn't adequately reviewed or tested, so it needs to be reverted. Link: http://lkml.kernel.org/r/20190130041707.27750-2-david@fromorbit.com Fixes: a76cf1a474d7d ("mm: don't reclaim inodes with many attached pages") Signed-off-by: Dave Chinner <dchinner@redhat.com> Cc: Wolfgang Walter <linux@stwm.de> Cc: Roman Gushchin <guro@fb.com> Cc: Spock <dairinin@gmail.com> Cc: Rik van Riel <riel@surriel.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Tip revision: 69056ee6a8a3d576ed31e38b3b14c70d6c74edcc authored by Dave Chinner on 12 February 2019, 23:35:51 UTC
Revert "mm: don't reclaim inodes with many attached pages"
Revert "mm: don't reclaim inodes with many attached pages"
Tip revision: 69056ee
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arch | ||
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certs | ||
crypto | ||
drivers | ||
firmware | ||
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include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
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net | ||
samples | ||
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security | ||
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usr | ||
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.clang-format | -rw-r--r-- | 13.9 KB |
.cocciconfig | -rw-r--r-- | 59 bytes |
.get_maintainer.ignore | -rw-r--r-- | 31 bytes |
.gitattributes | -rw-r--r-- | 30 bytes |
.gitignore | -rw-r--r-- | 1.5 KB |
.mailmap | -rw-r--r-- | 10.7 KB |
COPYING | -rw-r--r-- | 423 bytes |
CREDITS | -rw-r--r-- | 96.9 KB |
Kbuild | -rw-r--r-- | 1.7 KB |
Kconfig | -rw-r--r-- | 563 bytes |
MAINTAINERS | -rw-r--r-- | 482.3 KB |
Makefile | -rw-r--r-- | 59.1 KB |
README | -rw-r--r-- | 727 bytes |
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