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| author | Christoph Hellwig <hch@lst.de> | 2015-01-14 10:42:31 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-20 14:02:56 -0700 |
| commit | 97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e (patch) | |
| tree | a2a430b22f8c220e719114786905b18aa605f9ec /mm/swap.c | |
| parent | a7a2c680a2ad81b3181a335ee76e23d5195007ee (diff) | |
| download | lwn-97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e.tar.gz lwn-97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e.zip | |
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.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/swap.c b/mm/swap.c index 8a12b33936b4..4e0109a2f37b 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); |