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Minchan Kim authored
Use kernel standard bit spin-lock instead of custom mess. Even, it has a bug which doesn't disable preemption. The reason we don't have any problem is that we have used it during preemption disable section by class->lock spinlock. So no need to go to stable. Link: http://lkml.kernel.org/r/1464736881-24886-6-git-send-email-minchan@kernel.orgSigned-off-by:
Minchan Kim <minchan@kernel.org> Reviewed-by:
Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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