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UPSTREAM: zsmalloc: remove synchronize_rcu from zs_compact()

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(cherry-pick from commit 1ec7cfb13acb8047ae5baafb43d2cd6b64ac85b9)

Do not synchronize rcu in zs_compact(). Neither zsmalloc not
zram use rcu.

Bug: 25951511

Change-Id: I2f2d1a81dac561ddfabb861bedcbb1ba773f207f
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Sergey Senozhatsky 2015-04-15 16:16:12 -07:00 committed by Swetha Chikkaboraiah
parent 132ab777a6
commit 789c6c2c93
1 changed files with 0 additions and 2 deletions
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2
mm/zsmalloc.c
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@ -1779,8 +1779,6 @@ unsigned long zs_compact(struct zs_pool *pool)
nr_migrated += __zs_compact(pool, class);
}
synchronize_rcu();
return nr_migrated;
}
EXPORT_SYMBOL_GPL(zs_compact);