diff options
author | Wen Congyang <wency@cn.fujitsu.com> | 2013-02-22 19:32:58 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-23 20:50:12 -0500 |
commit | 24d335ca3606b610ec69c66a1e42760c96d89470 (patch) | |
tree | 62d6157cbb273c029ea1052690725037524cbbeb /mm | |
parent | 46c66c4b7ba0f9bb3e2ae3a3cfd40cd3472c8f80 (diff) |
memory-hotplug: introduce new arch_remove_memory() for removing page table
For removing memory, we need to remove page tables. But it depends on
architecture. So the patch introduce arch_remove_memory() for removing
page table. Now it only calls __remove_pages().
Note: __remove_pages() for some archtecuture is not implemented
(I don't know how to implement it for s390).
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Wu Jianguo <wujianguo@huawei.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r-- | mm/memory_hotplug.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index a776dbf3fa00..942b43f6d736 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c | |||
@@ -1513,6 +1513,8 @@ repeat: | |||
1513 | /* remove memmap entry */ | 1513 | /* remove memmap entry */ |
1514 | firmware_map_remove(start, start + size, "System RAM"); | 1514 | firmware_map_remove(start, start + size, "System RAM"); |
1515 | 1515 | ||
1516 | arch_remove_memory(start, size); | ||
1517 | |||
1516 | unlock_memory_hotplug(); | 1518 | unlock_memory_hotplug(); |
1517 | 1519 | ||
1518 | return 0; | 1520 | return 0; |