linux-kernel - [PATCH] ll_rw_blk: blk_cpu_notifier should be _

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Message-ID: <alpine.LFD.0.999.0708230248330.2049@enigma.security.iitk.ac.in>
Date:	Thu, 23 Aug 2007 02:55:44 +0530 (IST)
From:	Satyam Sharma <satyam@...radead.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] ll_rw_blk: blk_cpu_notifier should be __cpuinitdata



On Mon, 20 Aug 2007, Andrew Morton wrote:
> 
> <looks at blk_cpu_notifier>
> 
> There are a few things to clear up here...

Patch below:


blk_cpu_notifier is marked as __devinitdata, but __devinitdata need not
be __init even if HOTPLUG_CPU=n, which wastes space. It should be marked
__cpuinitdata, and the callback itself as __cpuinit.

Signed-off-by: Satyam Sharma <satyam@...radead.org>

---

 block/ll_rw_blk.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index a15845c..91ec907 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3563,7 +3563,7 @@ static void blk_done_softirq(struct softirq_action *h)
 	}
 }
 
-static int blk_cpu_notify(struct notifier_block *self, unsigned long action,
+static int __cpuinit blk_cpu_notify(struct notifier_block *self, unsigned long action,
 			  void *hcpu)
 {
 	/*
@@ -3584,7 +3584,7 @@ static int blk_cpu_notify(struct notifier_block *self, unsigned long action,
 }
 
 
-static struct notifier_block __devinitdata blk_cpu_notifier = {
+static struct notifier_block blk_cpu_notifier __cpuinitdata = {
 	.notifier_call	= blk_cpu_notify,
 };
 
-
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