From baa5835df10254762aedb6cb23a9c1508f969736 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Mon, 8 Dec 2008 00:52:49 +0100
Subject: [PATCH] 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@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
---
kernel/power/snapshot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index ec9f153b2fc23..f5fc2d7680f26 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 {
--
GitLab