+ hibernate-replace-unnecessary-evaluation-of-pfn_to_page.patch added to -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     hibernate: replace unnecessary evaluation of pfn_to_page()
has been added to the -mm tree.  Its filename is
     hibernate-replace-unnecessary-evaluation-of-pfn_to_page.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: hibernate: replace unnecessary evaluation of pfn_to_page()
From: Rafael J. Wysocki <rjw@xxxxxxx>

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>
Cc: Len Brown <lenb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 kernel/power/snapshot.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN kernel/power/snapshot.c~hibernate-replace-unnecessary-evaluation-of-pfn_to_page kernel/power/snapshot.c
--- a/kernel/power/snapshot.c~hibernate-replace-unnecessary-evaluation-of-pfn_to_page
+++ a/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 {
_

Patches currently in -mm which might be from rjw@xxxxxxx are

origin.patch
linux-next.patch
hibernate-replace-unnecessary-evaluation-of-pfn_to_page.patch
vfs-fix-switch_names-breakage-in-short-to-short-case.patch
shrink_slab-handle-bad-shrinkers.patch

--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Kernel Newbies FAQ]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Photo]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux