From: Eial Czerwacki <eial@scalemp.com>
To: linux-kernel@vger.kernel.org
Cc: "Shai Fultheim (Shai@ScaleMP.com)" <Shai@scalemp.com>
Subject: [PATCH] Move mostly read variables to __read_mostly section.
Date: Sun, 23 Oct 2011 20:23:52 +0200 [thread overview]
Message-ID: <4EA45BB8.20505@scalemp.com> (raw)
Move mostly read variables to __read_mostly section.
Signed-off-by: Eial Czerwacki<eial@ScaleMP.com>
Signed-off-by: Shai Fultheim<Shai@ScaleMP.com>
---
--- a/fs/buffer.c 2010-05-12 14:59:32.000000000 -0700
+++ b/fs/buffer.c 2010-05-24 11:56:32.000000000 -0700
@@ -3233,7 +3233,7 @@ SYSCALL_DEFINE2(bdflush, int, func, long
/*
* Buffer-head allocation
*/
-static struct kmem_cache *bh_cachep;
+static struct kmem_cache __read_mostly *bh_cachep;
/*
* Once the number of bh's in the machine exceeds this level, we start
--- a/kernel/time/timekeeping.c 2010-05-12 14:59:32.000000000 -0700
+++ b/kernel/time/timekeeping.c 2010-05-24 11:56:32.000000000 -0700
@@ -154,7 +154,7 @@ __cacheline_aligned_in_smp DEFINE_SEQLOC
* used instead.
*/
static struct timespec xtime __attribute__ ((aligned (16)));
-static struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
+static struct timespec wall_to_monotonic __attribute__ ((aligned (16))) __read_mostly;
static struct timespec total_sleep_time;
/*
next reply other threads:[~2011-10-23 19:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-23 18:23 Eial Czerwacki [this message]
2011-10-24 4:47 ` [PATCH] Move mostly read variables to __read_mostly section Andi Kleen
2011-10-25 7:25 ` Eial Czerwacki
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