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mm: cleancache: Use __read_mostly as appropiate.

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The values are rarely changed so might as well put them in the
appropiate section.

Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Konrad Wilk <konrad.wilk@oracle.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Jan Beulich <JBeulich@novell.com>
Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Rik Riel <riel@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Dan Magenheimer 2011-09-21 12:21:20 -04:00 committed by Konrad Rzeszutek Wilk
parent 417fc2caef
commit 072611ed1f
1 changed files with 2 additions and 2 deletions
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4
mm/cleancache.c
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@ -25,14 +25,14 @@
* disabled), so is preferred to the slower alternative: a function * disabled), so is preferred to the slower alternative: a function
* call that checks a non-global. * call that checks a non-global.
*/ */
int cleancache_enabled; int cleancache_enabled __read_mostly;
EXPORT_SYMBOL(cleancache_enabled); EXPORT_SYMBOL(cleancache_enabled);
/* /*
* cleancache_ops is set by cleancache_ops_register to contain the pointers * cleancache_ops is set by cleancache_ops_register to contain the pointers
* to the cleancache "backend" implementation functions. * to the cleancache "backend" implementation functions.
*/ */
static struct cleancache_ops cleancache_ops; static struct cleancache_ops cleancache_ops __read_mostly;
/* /*
* Counters available via /sys/kernel/debug/frontswap (if debugfs is * Counters available via /sys/kernel/debug/frontswap (if debugfs is