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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 <[email protected]>
Signed-off-by: Konrad Wilk <[email protected]>
Cc: Kamezawa Hiroyuki <[email protected]>
Cc: Jan Beulich <[email protected]>
Acked-by: Seth Jennings <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Nitin Gupta <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Chris Mason <[email protected]>
Cc: Rik Riel <[email protected]>
Cc: Andrew Morton <[email protected]>
This commit is contained in:
Dan Magenheimer 2011-09-21 12:21:20 -04:00 • committed by Konrad Rzeszutek Wilk
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
* call that checks a non-global.
*/
int cleancache_enabled;
int cleancache_enabled __read_mostly;
EXPORT_SYMBOL(cleancache_enabled);
/*
* cleancache_ops is set by cleancache_ops_register to contain the pointers
* 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