linux-kernel - [PATCH 2/2] zsmalloc: remove extra cond_resched() in __zs

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Date:	Mon, 23 Mar 2015 22:26:39 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Minchan Kim <minchan@...nel.org>
Cc:	Nitin Gupta <ngupta@...are.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: [PATCH 2/2] zsmalloc: remove extra cond_resched() in __zs_compact

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@...il.com>
---
 mm/zsmalloc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index d1bbb04..d920e8b 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1715,8 +1715,6 @@ 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))) {
 
-- 
2.3.3.262.ge80e85a

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