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| author | Jiang Liu <liuj97@gmail.com> | 2013-02-22 16:33:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-23 17:50:15 -0800 |
| commit | 306f2e9eed173c5b8f3318e36cf92a7df3c3f6d5 (patch) | |
| tree | de79719e5906203c2bc9560875243c21784d67f2 /mm/page_alloc.c | |
| parent | b40da04946aa7b603b2aa4dd479f83b2c9090d96 (diff) | |
| download | lwn-306f2e9eed173c5b8f3318e36cf92a7df3c3f6d5.tar.gz lwn-306f2e9eed173c5b8f3318e36cf92a7df3c3f6d5.zip | |
mm: set zone->present_pages to number of existing pages in the zone
Now all users of "number of pages managed by the buddy system" have been
converted to use zone->managed_pages, so set zone->present_pages to what
it should be:
present_pages = spanned_pages - absent_pages;
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Maciej Rutecki <maciej.rutecki@gmail.com>
Cc: Chris Clayton <chris2553@googlemail.com>
Cc: "Rafael J . Wysocki" <rjw@sisk.pl>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Minchan Kim <minchan@kernel.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Jianguo Wu <wujianguo@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5f73106bd8dd..07fe78d01ffd 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4650,7 +4650,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, nr_all_pages += freesize; zone->spanned_pages = size; - zone->present_pages = freesize; + zone->present_pages = realsize; /* * Set an approximate value for lowmem here, it will be adjusted * when the bootmem allocator frees pages into the buddy system. |