summary refs log tree commit diff
path: root/mm/memory-failure.c
diff options
context:
space:
mode:
authorNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>2014-06-04 16:10:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-04 16:54:10 -0700
commit6edd6cc66201e06a6cc34030462217e7f4d72f4f (patch)
treef7e9ff91357392209a865b84ceee769f30a98a39 /mm/memory-failure.c
parent888cf2db475a256fb0cda042140f73d7881f81fe (diff)
downloadlinux-6edd6cc66201e06a6cc34030462217e7f4d72f4f.tar.gz
mm/memory-failure.c: move comment
The comment about pages under writeback is far from the relevant code, so
let's move it to the right place.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
-rw-r--r--mm/memory-failure.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 3cd1b652821c..a0474680c394 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1132,11 +1132,6 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
 		}
 	}
 
-	/*
-	 * Lock the page and wait for writeback to finish.
-	 * It's very difficult to mess with pages currently under IO
-	 * and in many cases impossible, so we just avoid it here.
-	 */
 	lock_page(hpage);
 
 	/*
@@ -1186,6 +1181,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
 	if (PageHuge(p))
 		set_page_hwpoison_huge_page(hpage);
 
+	/*
+	 * It's very difficult to mess with pages currently under IO
+	 * and in many cases impossible, so we just avoid it here.
+	 */
 	wait_on_page_writeback(p);
 
 	/*