From: Raghavendra D Prabhu <raghu.prabhu13@gmail.com>
To: fengguang.wu@intel.com
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
akpm@linux-foundation.org,
Raghavendra D Prabhu <rprabhu@wnohang.net>
Subject: [PATCH 2/3] mm/readahead: Remove file_ra_state from arguments of count_history_pages.
Date: Sun, 10 Jul 2011 01:11:19 +0530 [thread overview]
Message-ID: <a224acf18cff069f65e7e7eb10261e7dcfbb094f.1310239575.git.rprabhu@wnohang.net> (raw)
In-Reply-To: <cover.1310239575.git.rprabhu@wnohang.net>
count_history_pages doesn't require readahead state to calculate the offset from history.
Signed-off-by: Raghavendra D Prabhu <rprabhu@wnohang.net>
---
mm/readahead.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/mm/readahead.c b/mm/readahead.c
index 867f9dd..925d3b3 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -343,7 +343,6 @@ 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;
@@ -366,7 +365,7 @@ 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);
/*
* no history pages:
--
1.7.6
--
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next prev parent reply other threads:[~2011-07-09 19:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-09 19:41 [PATCH 0/3] Readahead fixes Raghavendra D Prabhu
2011-07-09 19:41 ` [PATCH 1/3] mm/readahead: Change the check for PageReadahead into an else-if Raghavendra D Prabhu
2011-07-09 20:47 ` Wu Fengguang
2011-07-09 19:41 ` Raghavendra D Prabhu [this message]
2011-07-09 20:47 ` [PATCH 2/3] mm/readahead: Remove file_ra_state from arguments of count_history_pages Wu Fengguang
2011-07-09 19:41 ` [PATCH 3/3] mm/readahead: Move the check for ra_pages after VM_SequentialReadHint() Raghavendra D Prabhu
2011-07-09 20:53 ` Wu Fengguang
2011-07-10 12:59 ` [TOME] " Raghavendra D Prabhu
2011-07-10 15:59 ` Wu Fengguang
2011-07-11 23:02 ` Re. Revised [PATCH 3/3] mm/readahead: Remove the check for ra->ra_pages Raghavendra D Prabhu
2011-07-12 18:09 ` Wu Fengguang
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