linux-kernel - [PATCH] zsmalloc: don't test shrinker_enabled in zs_shrinker

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Date:	Wed, 14 Oct 2015 10:57:59 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: [PATCH] zsmalloc: don't test shrinker_enabled in zs_shrinker_count()

We don't let user to disable shrinker in zsmalloc (once
it's been enabled), so no need to check ->shrinker_enabled
in zs_shrinker_count(), at the moment at least.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
---
 mm/zsmalloc.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 7ad5e54..8ba247d 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1822,9 +1822,6 @@ static unsigned long zs_shrinker_count(struct shrinker *shrinker,
 	struct zs_pool *pool = container_of(shrinker, struct zs_pool,
 			shrinker);
 
-	if (!pool->shrinker_enabled)
-		return 0;
-
 	for (i = zs_size_classes - 1; i >= 0; i--) {
 		class = pool->size_class[i];
 		if (!class)
-- 
2.6.1.134.g4b1fd35

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