linux-kernel - [KJ PATCH] Replacing memset(<addr>,0,PAGE_SIZE) with clear

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Date:	Tue, 08 May 2007 16:15:56 +0530
From:	Shani Moideen <shani.moideen@...ro.com>
To:	linux-mm@...ck.org
Cc:	linux-kernel@...r.kernel.org, kernel-janitors@...ts.osdl.org
Subject: [KJ PATCH] Replacing memset(<addr>,0,PAGE_SIZE) with clear_page()
	in mm/memory.c

Hi,

Replacing memset(<addr>,0,PAGE_SIZE) with clear_page() in mm/memory.c.

Signed-off-by: Shani Moideen <shani.moideen@...ro.com>
----

thanks.


diff --git a/mm/memory.c b/mm/memory.c
index e7066e7..2780d07 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1505,7 +1505,7 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo
                 * zeroes.
                 */
                if (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))
-                       memset(kaddr, 0, PAGE_SIZE);
+                       clear_page(kaddr);
                kunmap_atomic(kaddr, KM_USER0);
                flush_dcache_page(dst);
                return;


-- 
Shani 
-
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