Commit 1ec7cfb1 authored Apr 15, 2015 by Sergey Senozhatsky Committed by Linus Torvalds Apr 15, 2015

zsmalloc: remove synchronize_rcu from zs_compact()



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

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>

parent 8f7d282c

mm/zsmalloc.c

+0 −2

Original line number	Original line	Diff line number	Diff line
	@@ -1778,8 +1778,6 @@ unsigned long zs_compact(struct zs_pool *pool)
	nr_migrated += __zs_compact(pool, class);		nr_migrated += __zs_compact(pool, class);
	}		}

	synchronize_rcu();

	return nr_migrated;		return nr_migrated;
	}		}
	EXPORT_SYMBOL_GPL(zs_compact);		EXPORT_SYMBOL_GPL(zs_compact);