[PATCH 2/2] bdi: Use might_alloc()

From: Daniel Vetter
Date: Wed Jan 13 2021 - 08:51:21 EST


Now that my little helper has landed, use it more. On top of the
existing check this also uses lockdep through the fs_reclaim
annotations.

Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
--
v2: git add everything ... oops
---
mm/backing-dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index e33797579338..5666a0056580 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -580,7 +580,7 @@ struct bdi_writeback *wb_get_create(struct backing_dev_info *bdi,
{
struct bdi_writeback *wb;

- might_sleep_if(gfpflags_allow_blocking(gfp));
+ might_alloc(gfp);

if (!memcg_css->parent)
return &bdi->wb;
--
2.29.2