[PATCH 1/2] mm: fix logic error of bulkfree_pcp_prepare

["zhaoyang.huang" <zhaoyang.huang@xxxxxxxxxx>]

From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>

free_pages_check return 0 when result is ok while bulkfree_pcp_prepare
treat it as false wrongly.

Signed-off-by: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>
---
 mm/page_alloc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index e008a3d..69b15e3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1424,7 +1424,7 @@ static bool free_pcp_prepare(struct page *page, unsigned int order)
 static bool bulkfree_pcp_prepare(struct page *page)
 {
 	if (debug_pagealloc_enabled_static())
-		return check_free_page(page);
+		return !check_free_page(page);
 	else
 		return false;
 }
@@ -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 !check_free_page(page);
 }
 #endif /* CONFIG_DEBUG_VM */
 
-- 
1.9.1