[PATCH] f2fs: silence VM_WARN_ON_ONCE in mempool_alloc
From: Gao Xiang
Date: Mon Feb 18 2019 - 21:33:47 EST
Note that __GFP_ZERO is not supported for mempool_alloc,
which also documented in the mempool_alloc comments.
Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx>
---
fs/f2fs/data.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index f91d8630c9a2..83c14b31aaba 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -299,9 +299,10 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi,
for (; start < F2FS_IO_SIZE(sbi); start++) {
struct page *page =
mempool_alloc(sbi->write_io_dummy,
- GFP_NOIO | __GFP_ZERO | __GFP_NOFAIL);
+ GFP_NOIO | __GFP_NOFAIL);
f2fs_bug_on(sbi, !page);
+ zero_user_segment(page, 0, PAGE_SIZE);
SetPagePrivate(page);
set_page_private(page, (unsigned long)DUMMY_WRITTEN_PAGE);
lock_page(page);
--
2.14.4