[RFT PATCH v1 3/5] mm: set zone->present_pages to number of existing pages in the zone
From: Jiang Liu <hidden>
Date: 2012-11-18 16:09:54
Also in:
lkml
Subsystem:
memory management, memory management - page allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Linus Torvalds
Now all users using "number of pages managed by the buddy system" have been converted to use zone->managed_pages, so set zone->present_pages to what it really should be: present_pages = spanned_pages - absent_pages; Signed-off-by: Jiang Liu <redacted> --- 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 fe1cf48..5b327d7 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c@@ -4494,7 +4494,7 @@ 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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