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mm/slub: mark racy access on slab->freelist
authorlinke li <lilinke99@qq.com>
Sat, 27 Apr 2024 08:51:54 +0000 (16:51 +0800)
committerVlastimil Babka <vbabka@suse.cz>
Thu, 2 May 2024 12:19:21 +0000 (14:19 +0200)
commit844776cb65a77ef27bfba2220e285940b714ae4e
tree741e98a480cb5dead278e4a6cba77f02c08824adtree | snapshot
parentb3d8a8e870144369fdbcbb1a78878ce98532265acommit | diff
mm/slub: mark racy access on slab->freelist

In deactivate_slab(), slab->freelist can be changed concurrently. Mark
data race on slab->freelist as benign using READ_ONCE.

This patch is aimed at reducing the number of benign races reported by
KCSAN in order to focus future debugging effort on harmful races.

Signed-off-by: linke li <lilinke99@qq.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
mm/slub.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git