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x86, cleanups: Use clear_page/copy_page rather than memset/memcpy

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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>
This commit is contained in:
Jan Beulich
2010-09-02 13:46:34 +01:00
committed by H. Peter Anvin
parent 0f1cf415f0
commit 234bb549ee
4 changed files with 6 additions and 7 deletions
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arch/x86/mm/init_32.c
+2 -2
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@@ -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)