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mm/readahead.c: remove unused file_ra_state from count_history_pages

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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>
This commit is contained in:
Fabian Frederick 2014-08-06 16:04:55 -07:00 committed by Linus Torvalds
parent c42e571561
commit 3e2faa0854
1 changed files with 1 additions and 2 deletions
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mm/readahead.c
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@ -326,7 +326,6 @@ static unsigned long get_next_ra_size(struct file_ra_state *ra,
* - thrashing threshold in memory tight systems * - thrashing threshold in memory tight systems
*/ */
static pgoff_t count_history_pages(struct address_space *mapping, static pgoff_t count_history_pages(struct address_space *mapping,
struct file_ra_state *ra,
pgoff_t offset, unsigned long max) pgoff_t offset, unsigned long max)
{ {
pgoff_t head; pgoff_t head;
@ -349,7 +348,7 @@ static int try_context_readahead(struct address_space *mapping,
{ {
pgoff_t size; pgoff_t size;
size = count_history_pages(mapping, ra, offset, max); size = count_history_pages(mapping, offset, max);
/* /*
* not enough history pages: * not enough history pages: