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| author | Haimin Zhang <tcs.kernel@gmail.com> | 2022-02-16 16:40:38 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-02-17 07:54:03 -0700 |
| commit | cc8f7fe1f5eab010191aa4570f27641876fa1267 (patch) | |
| tree | de43dc8b2628882dc69818ea72fa7b968df15842 /block | |
| parent | 06582bc86d7f48d35cd044098ca1e246e8c7c52e (diff) | |
| download | linux-cc8f7fe1f5eab010191aa4570f27641876fa1267.tar.gz linux-cc8f7fe1f5eab010191aa4570f27641876fa1267.tar.bz2 linux-cc8f7fe1f5eab010191aa4570f27641876fa1267.zip | |
block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern
Add __GFP_ZERO flag for alloc_page in function bio_copy_kern to initialize
the buffer of a bio.
Signed-off-by: Haimin Zhang <tcs.kernel@gmail.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220216084038.15635-1-tcs.kernel@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-map.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index 4526adde0156..c7f71d83eff1 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -446,7 +446,7 @@ static struct bio *bio_copy_kern(struct request_queue *q, void *data, if (bytes > len) bytes = len; - page = alloc_page(GFP_NOIO | gfp_mask); + page = alloc_page(GFP_NOIO | __GFP_ZERO | gfp_mask); if (!page) goto cleanup; |