From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Date: Wed, 15 Apr 2015 23:16:24 +0000 (-0700)
Subject: zsmalloc: remove extra cond_resched() in __zs_compact
X-Git-Tag: v4.1-rc1~115^2~43
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=160a117f0864871ae1bab26554a985a1d2861afd;p=linux.git

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@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>
---

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index e24f7ccc5865..08bd7a3d464a 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -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))) {