linux-kernel - [PATCH 12/24] mm, page_alloc: Remove unnecessary initialisation from __alloc_pages

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Message-Id: <1460455945-29644-13-git-send-email-mgorman@techsingularity.net>
Date:	Tue, 12 Apr 2016 11:12:13 +0100
From:	Mel Gorman <mgorman@...hsingularity.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Vlastimil Babka <vbabka@...e.cz>, Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mel Gorman <mgorman@...hsingularity.net>
Subject: [PATCH 12/24] mm, page_alloc: Remove unnecessary initialisation from __alloc_pages_nodemask()

page is guaranteed to be set before it is read with or without the
initialisation.

Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f5ddb342c967..df03ccc7f07c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3348,7 +3348,7 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
 			struct zonelist *zonelist, nodemask_t *nodemask)
 {
 	struct zoneref *preferred_zoneref;
-	struct page *page = NULL;
+	struct page *page;
 	unsigned int cpuset_mems_cookie;
 	unsigned int alloc_flags = ALLOC_WMARK_LOW|ALLOC_FAIR;
 	gfp_t alloc_mask; /* The gfp_t that was actually used for allocation */
-- 
2.6.4