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mm: cleancache: Use __read_mostly as appropiate.
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>
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@ -25,14 +25,14 @@
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* disabled), so is preferred to the slower alternative: a function
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* call that checks a non-global.
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*/
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int cleancache_enabled;
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int cleancache_enabled __read_mostly;
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EXPORT_SYMBOL(cleancache_enabled);
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/*
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* cleancache_ops is set by cleancache_ops_register to contain the pointers
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* to the cleancache "backend" implementation functions.
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*/
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static struct cleancache_ops cleancache_ops;
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static struct cleancache_ops cleancache_ops __read_mostly;
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/*
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* Counters available via /sys/kernel/debug/frontswap (if debugfs is
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