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authorHugh Dickins <hughd@google.com>2013-02-22 16:35:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-23 17:50:19 -0800
commit9c620e2bc5aa4256c102ada34e6c76204ed5898b (patch)
tree667dc829d7c5fa0261658fa6488f67cbd52bfb7e /mm/memory_hotplug.c
parentb79bc0a0c79e06cc87e17530e9c1c56c6f297e17 (diff)
downloadlwn-9c620e2bc5aa4256c102ada34e6c76204ed5898b.tar.gz
lwn-9c620e2bc5aa4256c102ada34e6c76204ed5898b.zip
mm: remove offlining arg to migrate_pages
No functional change, but the only purpose of the offlining argument to migrate_pages() etc, was to ensure that __unmap_and_move() could migrate a KSM page for memory hotremove (which took ksm_thread_mutex) but not for other callers. Now all cases are safe, remove the arg. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Rik van Riel <riel@redhat.com> Cc: Petr Holasek <pholasek@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Izik Eidus <izik.eidus@ravellosystems.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory_hotplug.c')
-rw-r--r--mm/memory_hotplug.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 77a6abfe3291..dda1ca695a08 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1286,8 +1286,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
* migrate_pages returns # of failed pages.
*/
ret = migrate_pages(&source, alloc_migrate_target, 0,
- true, MIGRATE_SYNC,
- MR_MEMORY_HOTPLUG);
+ MIGRATE_SYNC, MR_MEMORY_HOTPLUG);
if (ret)
putback_lru_pages(&source);
}