On Mon 2008-12-08 00:52:49, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@xxxxxxx>
> Subject: Hibernate: Replace unnecessary evaluation of pfn_to_page()
>
> Replace one evaluation of pfn_to_page() in copy_data_pages() with
> the value of a local variable containing the right number already.
>
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Acked-by: Pavel Machek <pavel@xxxxxxx>
> ---
> kernel/power/snapshot.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-2.6/kernel/power/snapshot.c
> ===================================================================
> --- linux-2.6.orig/kernel/power/snapshot.c
> +++ linux-2.6/kernel/power/snapshot.c
> @@ -981,7 +981,7 @@ static void copy_data_page(unsigned long
> * data modified by kmap_atomic()
> */
> safe_copy_page(buffer, s_page);
> - dst = kmap_atomic(pfn_to_page(dst_pfn), KM_USER0);
> + dst = kmap_atomic(d_page, KM_USER0);
> memcpy(dst, buffer, PAGE_SIZE);
> kunmap_atomic(dst, KM_USER0);
> } else {
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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