linux-kernel - [PATCH] x86: use zalloc_cpumask_var for mce_dev

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Date:	Wed, 17 Jun 2009 16:21:33 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: use zalloc_cpumask_var for mce_dev_initialized -v2


need to get cleared cpu_mask about if mce device is initialized.
esp when MAXSMP is used.

used zalloc_... instead

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Cc: stable@...nel.org
---
 arch/x86/kernel/cpu/mcheck/mce.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/arch/x86/kernel/cpu/mcheck/mce.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/mcheck/mce.c
+++ linux-2.6/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1969,7 +1969,7 @@ static __init int mce_init_device(void)
 	if (!mce_available(&boot_cpu_data))
 		return -EIO;
 
-	alloc_cpumask_var(&mce_dev_initialized, GFP_KERNEL);
+	zalloc_cpumask_var(&mce_dev_initialized, GFP_KERNEL);
 
 	err = mce_init_banks();
 	if (err)
--
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