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

From: zhaoyang.huang
Date: Tue Sep 13 2022 - 02:12:41 EST


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