Commit 306f2e9e authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds

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: default avatarJiang 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b40da049
...@@ -4650,7 +4650,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, ...@@ -4650,7 +4650,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
nr_all_pages += freesize; nr_all_pages += freesize;
zone->spanned_pages = size; zone->spanned_pages = size;
zone->present_pages = freesize; zone->present_pages = realsize;
/* /*
* Set an approximate value for lowmem here, it will be adjusted * Set an approximate value for lowmem here, it will be adjusted
* when the bootmem allocator frees pages into the buddy system. * when the bootmem allocator frees pages into the buddy system.
......
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