[PATCH] mm: No need to check pcp page when free it to buddy

[zhaoyang.huang]

From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>

The pages on pcp list have been checked the validity from each entrance. It is
no need to check it again when free them back to buddy.

Signed-off-by: Zhaoyang Huang <zhaoyang.huang@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 e008a3d..131536e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1445,7 +1445,7 @@ static bool free_pcp_prepare(struct page *page, unsigned int order)
 
 static bool bulkfree_pcp_prepare(struct page *page)
 {
-	return check_free_page(page);
+	return false;
 }
 #endif /* CONFIG_DEBUG_VM */
 
-- 
1.9.1