After checking all possible call chains to kmalloc here,
my tool finds that kmalloc is never called in atomic context.
Thus GFP_ATOMIC is not necessary, and it can be replaced with GFP_KERNEL.
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx>
---
block/blk-tag.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-tag.c b/block/blk-tag.c
index 09f19c6..84db7f663 100644
--- a/block/blk-tag.c
+++ b/block/blk-tag.c
@@ -124,7 +124,7 @@ static struct blk_queue_tag *__blk_queue_init_tags(struct request_queue *q,
{
struct blk_queue_tag *tags;
- tags = kmalloc(sizeof(struct blk_queue_tag), GFP_ATOMIC);
+ tags = kmalloc(sizeof(struct blk_queue_tag), GFP_KERNEL);
if (!tags)
goto fail;
--
1.7.9.5
