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[11/94] Hibernate: Replace unnecessary evaluation of pfn_to_page()

Message ID baa5835df10254762aedb6cb23a9c1508f969736.1231492608.git.len.brown@intel.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Len Brown Jan. 9, 2009, 9:26 a.m. UTC 
From: Rafael J. Wysocki <rjw@sisk.pl>

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@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 kernel/power/snapshot.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index ec9f153..f5fc2d7 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -981,7 +981,7 @@  static void copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
 			 * 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 {