[PATCH] mm: skip reserved page for kmem leak scanning

[zhaoyang.huang]

From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>

It is no need to scan reserved page, skip it.

Signed-off-by: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>
---
 mm/kmemleak.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index a182f5d..c546250 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1471,7 +1471,7 @@ static void kmemleak_scan(void)
 			if (page_zone(page) != zone)
 				continue;
 			/* only scan if page is in use */
-			if (page_count(page) == 0)
+			if (page_count(page) == 0 && !PageReserved(page))
 				continue;
 			scan_block(page, page + 1, NULL);
 			if (!(pfn & 63))
-- 
1.9.1