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authorJan Beulich <JBeulich@novell.com>2010-09-02 13:46:34 +0100
committerH. Peter Anvin <hpa@linux.intel.com>2010-09-22 15:36:49 -0700
commit234bb549eea16ec7d5207ba747fb8dbf489e64c1 (patch)
tree14352587d407c328d490781d3b5e0f7f0d07fe71 /arch/x86/mm/init_32.c
parent0f1cf415f00286a38f5ce35b459342dbfc895b50 (diff)
downloadlinux-234bb549eea16ec7d5207ba747fb8dbf489e64c1.tar.bz2
x86, cleanups: Use clear_page/copy_page rather than memset/memcpy
When operating on whole pages, use clear_page() and copy_page() in favor of memset() and memcpy(); after all that's what they are intended for. Signed-off-by: Jan Beulich <jbeulich@novell.com> LKML-Reference: <4C7FB8CA0200007800013F51@vpn.id2.novell.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/mm/init_32.c')
-rw-r--r--arch/x86/mm/init_32.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index bca79091b9d6..558f2d332076 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -67,7 +67,7 @@ static __init void *alloc_low_page(void)
panic("alloc_low_page: ran out of memory");
adr = __va(pfn * PAGE_SIZE);
- memset(adr, 0, PAGE_SIZE);
+ clear_page(adr);
return adr;
}
@@ -558,7 +558,7 @@ char swsusp_pg_dir[PAGE_SIZE]
static inline void save_pg_dir(void)
{
- memcpy(swsusp_pg_dir, swapper_pg_dir, PAGE_SIZE);
+ copy_page(swsusp_pg_dir, swapper_pg_dir);
}
#else /* !CONFIG_ACPI_SLEEP */
static inline void save_pg_dir(void)