Commit 3e2faa08 authored Aug 06, 2014 by Fabian Frederick Committed by Linus Torvalds Aug 06, 2014

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>

parent c42e5715

mm/readahead.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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: