linux-kernel - [PATCH v3 4/6] zbud: memset zbud

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Date:	Tue, 08 Oct 2013 15:29:38 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Seth Jennings <sjenning@...ux.vnet.ibm.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Bob Liu <bob.liu@...cle.com>, Mel Gorman <mgorman@...e.de>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Tomasz Stanislawski <t.stanislaws@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Dave Hansen <dave.hansen@...el.com>,
	Minchan Kim <minchan@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Subject: [PATCH v3 4/6] zbud: memset zbud_header to 0 during init

memset zbud_header to 0 during init instead of manually assigning 0 to
members. Currently only two members needs to be initialized to 0 but
further patches will add more of them.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 mm/zbud.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/zbud.c b/mm/zbud.c
index 6db0557..0edd880 100644
--- a/mm/zbud.c
+++ b/mm/zbud.c
@@ -133,8 +133,7 @@ static int size_to_chunks(int size)
 static struct zbud_header *init_zbud_page(struct page *page)
 {
 	struct zbud_header *zhdr = page_address(page);
-	zhdr->first_chunks = 0;
-	zhdr->last_chunks = 0;
+	memset(zhdr, 0, sizeof(*zhdr));
 	INIT_LIST_HEAD(&zhdr->buddy);
 	INIT_LIST_HEAD(&zhdr->lru);
 	return zhdr;
-- 
1.7.9.5

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