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authorShaohua Li <shaohua.li@intel.com>2009-09-21 17:01:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:17:25 -0700
commit112067f0905b2de862c607ee62411cf47d2fe5c4 (patch)
tree55575b100292b764f945e4d9395989e8a734f883 /include/linux/mm.h
parent478b81fd84a299adb401dbbae296f3767e552999 (diff)
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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 9a72cc7..d3c8ae7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1058,6 +1058,8 @@ extern void setup_per_cpu_pageset(void);
static inline void setup_per_cpu_pageset(void) {}
#endif
+extern void zone_pcp_update(struct zone *zone);
+
/* nommu.c */
extern atomic_long_t mmap_pages_allocated;