mm-correctly-update-zone-managed_pages-fix-fix-fix

export adjust_managed_page_count() to modules, for drivers/virtio/virtio_balloon.c

Cc: Jiang Liu <liuj97@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>
Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d35f93d068b4e30f2966f0f1ba6a1a7633abbc2e..b100255dedda6e48c9cba2d15bc1163b36292a3c 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5231,6 +5231,7 @@ void adjust_managed_page_count(struct page *page, long count)
 #endif
        spin_unlock(&managed_page_count_lock);
 }
+EXPORT_SYMBOL(adjust_managed_page_count);
 
 unsigned long free_reserved_area(void *start, void *end, int poison, char *s)
 {