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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2016-03-29 03:22:00 -0800 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2016-10-07 12:35:56 -0800 |
| commit | 6d33b9ee7852c21d6b77712ab73ad2fe8562c08c (patch) | |
| tree | e56186c046956783b99bf4823540bfe178b5da9d | |
| parent | 73aa15f7adf7b7cf613a2b07e8f4909ce7e03e87 (diff) | |
bcache: fall back to vmalloc() in bio_uncompress_lz4()
| -rw-r--r-- | drivers/md/bcache/io.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index 31555fd92c19..dae22aa966d1 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -1421,9 +1421,12 @@ static int bio_uncompress_lz4(struct cache_set *c, if (!src_data) goto err; - dst_data = kmalloc(uncompressed_size, GFP_NOIO); - if (!dst_data) - goto err; + dst_data = kmalloc(uncompressed_size, GFP_NOIO|__GFP_NOWARN); + if (!dst_data) { + dst_data = vmalloc(uncompressed_size); + if (!dst_data) + goto err; + } ret = lz4_decompress(src_data, &src_len, dst_data, dst_len); @@ -1433,7 +1436,7 @@ static int bio_uncompress_lz4(struct cache_set *c, memcpy_to_bio(dst, dst_iter, dst_data + skip); err: - kfree(dst_data); + kvfree(dst_data); bio_unmap_or_unbounce(src_data, src_bounced); return ret; } |