[PATCH] memory hotplug: call setup_per_zone_pages_min after hotplug

From: IWAMOTO Toshihiro <iwamoto@valinux.co.jp>
> I found the tests does not work well with Dave's patchset.
> I've found the followings:
>
> 	- setup_per_zone_pages_min() calls should be added in
> 	   capture_page_range() and online_pages()
> 	- lru_add_drain() should be called before try_to_migrate_pages()

The following patch deals with the first item.

Signed-off-by: IWAMOTO Toshihiro <iwamoto@valinux.co.jp>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 2e916c308ae6278c4fc05aab3591d785e173131d..431a64f021c0ed7c5dc9a40c63096f99ba16d464 100644 (file)
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -132,5 +132,7 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
        }
        zone->present_pages += onlined_pages;
 
+       setup_per_zone_pages_min();
+
        return 0;
 }