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| author | Fabian Frederick <fabf@skynet.be> | 2014-08-06 16:04:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-06 18:01:15 -0700 |
| commit | 3e2faa085448d5c478ebc9d5f6cb4d822467f4d7 (patch) | |
| tree | 1c189513f09b2ea545aee48e5b772bc4ca2d7247 /mm/readahead.c | |
| parent | c42e5715617232563f0cf9f231d86b5133c4487e (diff) | |
| download | lwn-3e2faa085448d5c478ebc9d5f6cb4d822467f4d7.tar.gz lwn-3e2faa085448d5c478ebc9d5f6cb4d822467f4d7.zip | |
mm/readahead.c: remove unused file_ra_state from count_history_pages
count_history_pages does only call page_cache_prev_hole in rcu_lock
context using address_space mapping. There's no need to have
file_ra_state here.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Acked-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/readahead.c')
| -rw-r--r-- | mm/readahead.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index 0ca36a7770b1..17b9172ec37f 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -326,7 +326,6 @@ static unsigned long get_next_ra_size(struct file_ra_state *ra, * - thrashing threshold in memory tight systems */ static pgoff_t count_history_pages(struct address_space *mapping, - struct file_ra_state *ra, pgoff_t offset, unsigned long max) { pgoff_t head; @@ -349,7 +348,7 @@ static int try_context_readahead(struct address_space *mapping, { pgoff_t size; - size = count_history_pages(mapping, ra, offset, max); + size = count_history_pages(mapping, offset, max); /* * not enough history pages: |