zsmalloc: remove extra cond_resched() in __zs_compact
authorSergey Senozhatsky <sergey.senozhatsky@gmail.com>
Wed, 15 Apr 2015 23:16:24 +0000 (16:16 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 15 Apr 2015 23:35:22 +0000 (16:35 -0700)
Do not perform cond_resched() before the busy compaction loop in
__zs_compact(), because this loop does it when needed.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/zsmalloc.c

index e24f7ccc5865154462ef12ba4f1a68a931ec73be..08bd7a3d464a9c6959a39e269d2284600e750a50 100644 (file)
@@ -1711,8 +1711,6 @@ static unsigned long __zs_compact(struct zs_pool *pool,
        struct page *dst_page = NULL;
        unsigned long nr_total_migrated = 0;
 
-       cond_resched();
-
        spin_lock(&class->lock);
        while ((src_page = isolate_source_page(class))) {