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 <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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>