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authorMinchan Kim <minchan.kim@gmail.com>2009-06-16 15:32:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 19:47:42 -0700
commitbce7394a3ef82b8477952fbab838e4a6e8cb47d2 (patch)
tree7e2f50300dc4edf471a67c1871f288f031fd84f7 /mm/vmstat.c
parent96cb4df5ddf5e6d5785b5acd4003e3689b87f896 (diff)
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page-allocator: reset wmark_min and inactive ratio of zone when hotplug happens
Solve two problems. Whenever memory hotplug sucessfully happens, zone->present_pages have to be changed. 1) Now memory hotplug calls setup_per_zone_wmark_min only when online_pages called, not offline_pages. It breaks balance. 2) If zone->present_pages is changed, we also have to change zone->inactive_ratio. That's because inactive_ratio depends on zone->present_pages. Signed-off-by: Minchan Kim <minchan.kim@gmail.com> Acked-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Rik van Riel <riel@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
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