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| author | Phillip Lougher <phillip@lougher.demon.co.uk> | 2011-03-22 23:01:26 +0000 |
|---|---|---|
| committer | Phillip Lougher <phillip@lougher.demon.co.uk> | 2011-03-22 23:01:26 +0000 |
| commit | 117a91e0f25fd7698e20ac3dfa62086be3dc82a3 (patch) | |
| tree | a8c032d5aa97ede9e369bf66d2dd39ad60859ac4 /fs/squashfs/zlib_wrapper.c | |
| parent | 44cff8a9ee8a974f9e931df910688e7fc1f0b0f9 (diff) | |
| download | lwn-117a91e0f25fd7698e20ac3dfa62086be3dc82a3.tar.gz lwn-117a91e0f25fd7698e20ac3dfa62086be3dc82a3.zip | |
Squashfs: Use vmalloc rather than kmalloc for zlib workspace
Bugzilla bug 31422 reports occasional "page allocation failure. order:4"
at Squashfs mount time. Fix this by making zlib workspace allocation
use vmalloc rather than kmalloc.
Reported-by: Mehmet Giritli <mehmet@giritli.eu>
Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
Diffstat (limited to 'fs/squashfs/zlib_wrapper.c')
| -rw-r--r-- | fs/squashfs/zlib_wrapper.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/squashfs/zlib_wrapper.c b/fs/squashfs/zlib_wrapper.c index 195b0d035e9b..517688b32ffa 100644 --- a/fs/squashfs/zlib_wrapper.c +++ b/fs/squashfs/zlib_wrapper.c @@ -26,6 +26,7 @@ #include <linux/buffer_head.h> #include <linux/slab.h> #include <linux/zlib.h> +#include <linux/vmalloc.h> #include "squashfs_fs.h" #include "squashfs_fs_sb.h" @@ -37,8 +38,7 @@ static void *zlib_init(struct squashfs_sb_info *dummy, void *buff, int len) z_stream *stream = kmalloc(sizeof(z_stream), GFP_KERNEL); if (stream == NULL) goto failed; - stream->workspace = kmalloc(zlib_inflate_workspacesize(), - GFP_KERNEL); + stream->workspace = vmalloc(zlib_inflate_workspacesize()); if (stream->workspace == NULL) goto failed; @@ -56,7 +56,7 @@ static void zlib_free(void *strm) z_stream *stream = strm; if (stream) - kfree(stream->workspace); + vfree(stream->workspace); kfree(stream); } |