tree e39805fa48c00af09b76e0fc6a3a23b97a8b364e
parent 6cd8fa87fbf31b2ab77b8aaec497e7f6a3757578
author Yasunori Goto <y-goto@jp.fujitsu.com> 1180684013 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1180711109 -0700

memory hotplug: fix unnecessary calling of init_currenty_empty_zone()

zone->present_pages is updated in online_pages().  But, __add_zone() can be
called twice or more before calling online_pages().  So,
init_currenty_empty_zone() can be called unnecessary times.  It is cause of
memory leak of zone's wait_table.

Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>