linux-kernel - [PATCH] [2/23] IRQ: Move alloc_desk

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Message-Id: <20100610111037.E0C8FB1A2B@basil.firstfloor.org>
Date:	Thu, 10 Jun 2010 13:10:37 +0200 (CEST)
From:	Andi Kleen <andi@...stfloor.org>
To:	tglx@...utronix.de, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] [2/23] IRQ: Move alloc_desk_mask variables inside ifdef


They are only useful with CONFIG_CPUMASK_OFFSTACK

Avoids hundreds of warnings with a gcc 4.6 -Wall build.

Cc: tglx@...utronix.de
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 include/linux/irq.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.35-rc2-gcc/include/linux/irq.h
===================================================================
--- linux-2.6.35-rc2-gcc.orig/include/linux/irq.h
+++ linux-2.6.35-rc2-gcc/include/linux/irq.h
@@ -439,12 +439,12 @@ extern int set_irq_msi(unsigned int irq,
 static inline bool alloc_desc_masks(struct irq_desc *desc, int node,
 							bool boot)
 {
+#ifdef CONFIG_CPUMASK_OFFSTACK
 	gfp_t gfp = GFP_ATOMIC;
 
 	if (boot)
 		gfp = GFP_NOWAIT;
 
-#ifdef CONFIG_CPUMASK_OFFSTACK
 	if (!alloc_cpumask_var_node(&desc->affinity, gfp, node))
 		return false;
 
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