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| author | Yasunori Goto <y-goto@jp.fujitsu.com> | 2007-06-01 00:46:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-06-01 08:18:29 -0700 |
| commit | 13466c8419c3ab3ccd5e905eef53ca49c6c201be (patch) | |
| tree | e39805fa48c00af09b76e0fc6a3a23b97a8b364e /mm/memory_hotplug.c | |
| parent | 6cd8fa87fbf31b2ab77b8aaec497e7f6a3757578 (diff) | |
| download | lwn-13466c8419c3ab3ccd5e905eef53ca49c6c201be.tar.gz lwn-13466c8419c3ab3ccd5e905eef53ca49c6c201be.zip | |
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>
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 84279127fcd3..df9d554bea30 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -65,7 +65,7 @@ static int __add_zone(struct zone *zone, unsigned long phys_start_pfn) int zone_type; zone_type = zone - pgdat->node_zones; - if (!populated_zone(zone)) { + if (!zone->wait_table) { int ret = 0; ret = init_currently_empty_zone(zone, phys_start_pfn, nr_pages, MEMMAP_HOTPLUG); |