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authorChristoph Hellwig <hch@lst.de>2015-01-14 10:42:31 +0100
committerJens Axboe <axboe@fb.com>2015-01-20 14:02:56 -0700
commit97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e (patch)
treea2a430b22f8c220e719114786905b18aa605f9ec /mm/swap.c
parenta7a2c680a2ad81b3181a335ee76e23d5195007ee (diff)
downloadop-kernel-dev-97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e.zip
op-kernel-dev-97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e.tar.gz
fs: kill BDI_CAP_SWAP_BACKED
This bdi flag isn't too useful - we can determine that a vma is backed by either swap or shmem trivially in the caller. This also allows removing the backing_dev_info instaces for swap and shmem in favor of noop_backing_dev_info. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Tejun Heo <tj@kernel.org> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'mm/swap.c')
-rw-r--r--mm/swap.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/swap.c b/mm/swap.c
index 8a12b33..4e0109a 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -1138,8 +1138,6 @@ void __init swap_setup(void)
#ifdef CONFIG_SWAP
int i;
- if (bdi_init(swapper_spaces[0].backing_dev_info))
- panic("Failed to init swap bdi");
for (i = 0; i < MAX_SWAPFILES; i++) {
spin_lock_init(&swapper_spaces[i].tree_lock);
INIT_LIST_HEAD(&swapper_spaces[i].i_mmap_nonlinear);
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