xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

use clear_page()/copy_page() in favor of memset()/memcpy() on whole pages

Browse Source 
After all that's what they are intended for.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Beulich
2010-10-26 14:22:27 -07:00
committed by Linus Torvalds
parent b647277681
commit 3ecb01df32
5 changed files with 13 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/kexec.c
View File

@@ -816,7 +816,7 @@ static int kimage_load_normal_segment(struct kimage *image,
ptr = kmap(page);
/* Start with a clear page */
memset(ptr, 0, PAGE_SIZE);
clear_page(ptr);
ptr += maddr & ~PAGE_MASK;
mchunk = PAGE_SIZE - (maddr & ~PAGE_MASK);
if (mchunk > mbytes)