[PATCH v2] mm,page_owner: don't remove __GFP_NOLOCKDEP in add_stack_record_to_list

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Otherwise we'll generate false lockdep positives.

Fixes: 217b2119b9e2 ("mm,page_owner: implement the tracking of the stacks count")
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---

Changes since v1:
 - only pass on __GFP_NOLOCKDEP and leave the other masking in place

 mm/page_owner.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_owner.c b/mm/page_owner.c
index d17d1351ec84af..428c1ea8b4579e 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -170,7 +170,7 @@ static void add_stack_record_to_list(struct stack_record *stack_record,
 
 	/* Filter gfp_mask the same way stackdepot does, for consistency */
 	gfp_mask &= ~GFP_ZONEMASK;
-	gfp_mask &= (GFP_ATOMIC | GFP_KERNEL);
+	gfp_mask &= (GFP_ATOMIC | GFP_KERNEL | __GFP_NOLOCKDEP);
 	gfp_mask |= __GFP_NOWARN;
 
 	set_current_in_page_owner();
-- 
2.39.2





[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux