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authorMichal Nazarewicz <mina86@mina86.com>2012-04-03 15:06:15 +0200
committerMarek Szyprowski <m.szyprowski@samsung.com>2012-05-21 15:09:33 +0200
commit0815f3d81d76dfbf2abcfd93a85ff0a6008fe4c0 (patch)
tree750e239c7c522a206bb04bd8bfcd89c3bf3be30d /mm/memory_hotplug.c
parent47118af076f64844b4f423bc2f545b2da9dab50d (diff)
downloadop-kernel-dev-0815f3d81d76dfbf2abcfd93a85ff0a6008fe4c0.zip
op-kernel-dev-0815f3d81d76dfbf2abcfd93a85ff0a6008fe4c0.tar.gz
mm: page_isolation: MIGRATE_CMA isolation functions added
This commit changes various functions that change pages and pageblocks migrate type between MIGRATE_ISOLATE and MIGRATE_MOVABLE in such a way as to allow to work with MIGRATE_CMA migrate type. Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Tested-by: Rob Clark <rob.clark@linaro.org> Tested-by: Ohad Ben-Cohen <ohad@wizery.com> Tested-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Tested-by: Robert Nelson <robertcnelson@gmail.com> Tested-by: Barry Song <Baohua.Song@csr.com>
Diffstat (limited to 'mm/memory_hotplug.c')
-rw-r--r--mm/memory_hotplug.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 6629faf..fc898cb 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -891,7 +891,7 @@ static int __ref offline_pages(unsigned long start_pfn,
nr_pages = end_pfn - start_pfn;
/* set above range as isolated */
- ret = start_isolate_page_range(start_pfn, end_pfn);
+ ret = start_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);
if (ret)
goto out;
@@ -956,7 +956,7 @@ repeat:
We cannot do rollback at this point. */
offline_isolated_pages(start_pfn, end_pfn);
/* reset pagetype flags and makes migrate type to be MOVABLE */
- undo_isolate_page_range(start_pfn, end_pfn);
+ undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);
/* removal success */
zone->present_pages -= offlined_pages;
zone->zone_pgdat->node_present_pages -= offlined_pages;
@@ -981,7 +981,7 @@ failed_removal:
start_pfn, end_pfn);
memory_notify(MEM_CANCEL_OFFLINE, &arg);
/* pushback to free area */
- undo_isolate_page_range(start_pfn, end_pfn);
+ undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);
out:
unlock_memory_hotplug();
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