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| author | Jaewon Kim <jaewon31.kim@samsung.com> | 2021-11-05 21:45:09 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 21:30:43 +0100 |
| commit | 4aabdc14c4d2a01c2968bdc8919f81d9f9b4f790 (patch) | |
| tree | 177bc6d1b9177b3d86a54555c706699154327f1d | |
| parent | mm/highmem: remove deprecated kmap_atomic (diff) | |
| download | linux-4aabdc14c4d2a01c2968bdc8919f81d9f9b4f790.tar.xz linux-4aabdc14c4d2a01c2968bdc8919f81d9f9b4f790.zip | |
zram_drv: allow reclaim on bio_alloc
The read_from_bdev_async is not called on atomic context. So GFP_NOIO
is available rather than GFP_ATOMIC. If there were reclaimable pages
with GFP_NOIO, we can avoid allocation failure and page fault failure.
Link: https://lkml.kernel.org/r/20210908005241.28062-1-jaewon31.kim@samsung.com
Signed-off-by: Jaewon Kim <jaewon31.kim@samsung.com>
Reported-by: Yong-Taek Lee <ytk.lee@samsung.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index fcaf2750f68f..081e77d595d7 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -587,7 +587,7 @@ static int read_from_bdev_async(struct zram *zram, struct bio_vec *bvec, { struct bio *bio; - bio = bio_alloc(GFP_ATOMIC, 1); + bio = bio_alloc(GFP_NOIO, 1); if (!bio) return -ENOMEM; |