Subject: + mm-readaheadc-remove-unused-file_ra_state-from-count_history_pages.patch added to -mm tree
To: fabf@xxxxxxxxx,fengguang.wu@xxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 10 Jun 2014 15:41:27 -0700
The patch titled
Subject: mm/readahead.c: remove unused file_ra_state from count_history_pages
has been added to the -mm tree. Its filename is
mm-readaheadc-remove-unused-file_ra_state-from-count_history_pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-readaheadc-remove-unused-file_ra_state-from-count_history_pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-readaheadc-remove-unused-file_ra_state-from-count_history_pages.patch
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------------------------------------------------------
From: Fabian Frederick <fabf@xxxxxxxxx>
Subject: 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@xxxxxxxxx>
Cc: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/readahead.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN mm/readahead.c~mm-readaheadc-remove-unused-file_ra_state-from-count_history_pages mm/readahead.c
--- a/mm/readahead.c~mm-readaheadc-remove-unused-file_ra_state-from-count_history_pages
+++ a/mm/readahead.c
@@ -326,7 +326,6 @@ static unsigned long get_next_ra_size(st
* - 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
{
pgoff_t size;
- size = count_history_pages(mapping, ra, offset, max);
+ size = count_history_pages(mapping, offset, max);
/*
* not enough history pages:
_
Patches currently in -mm which might be from fabf@xxxxxxxxx are
origin.patch
fs-cifs-remove-obsolete-__constant.patch
kernel-posix-timersc-code-clean-up.patch
kernel-posix-timersc-code-clean-up-checkpatch-fixes.patch
fs-ext4-fsyncc-generic_file_fsync-call-based-on-barrier-flag.patch
mm-readaheadc-remove-unused-file_ra_state-from-count_history_pages.patch
fs-isofs-logging-clean-up.patch
linux-next.patch
init-mainc-code-clean-up.patch
kernel-kprobesc-convert-printk-to-pr_foo.patch
kernel-watchdogc-convert-printk-pr_warning-to-pr_foo.patch
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