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authorShaohua Li <shaohua.li@intel.com>2009-09-21 20:01:16 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 10:17:25 -0400
commit112067f0905b2de862c607ee62411cf47d2fe5c4 (patch)
tree55575b100292b764f945e4d9395989e8a734f883 /include/linux/mm.h
parent478b81fd84a299adb401dbbae296f3767e552999 (diff)
memory hotplug: update zone pcp at memory online
In my test, 128M memory is hot added, but zone's pcp batch is 0, which is an obvious error. When pages are onlined, zone pcp should be updated accordingly. [akpm@linux-foundation.org: fix warnings] Signed-off-by: Shaohua Li <shaohua.li@intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Yakui Zhao <yakui.zhao@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 9a72cc78e6b8..d3c8ae7c8015 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1058,6 +1058,8 @@ extern void setup_per_cpu_pageset(void);
1058static inline void setup_per_cpu_pageset(void) {} 1058static inline void setup_per_cpu_pageset(void) {}
1059#endif 1059#endif
1060 1060
1061extern void zone_pcp_update(struct zone *zone);
1062
1061/* nommu.c */ 1063/* nommu.c */
1062extern atomic_long_t mmap_pages_allocated; 1064extern atomic_long_t mmap_pages_allocated;
1063 1065