[RESEND PATCH v3 2/3] mm: set zone->present_pages to number of existing pages in the zone

[Jiang Liu]

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@xxxxxxxxxx>
---
 mm/page_alloc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index fed01fd..595e655 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4565,7 +4565,7 @@ 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.
-- 
1.7.9.5

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