[PATCH] x86: use nr_cpus in max_nr_irqs()

[Yinghai Lu]

Impact: get more small nr_irqs

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>

---
 arch/x86/include/asm/apicdef.h     |    7 +------
 arch/x86/include/asm/irq_vectors.h |    4 ++--
 2 files changed, 3 insertions(+), 8 deletions(-)

Index: linux-2.6/arch/x86/include/asm/irq_vectors.h
===================================================================
--- linux-2.6.orig/arch/x86/include/asm/irq_vectors.h
+++ linux-2.6/arch/x86/include/asm/irq_vectors.h
@@ -122,8 +122,8 @@
 
 /* defined as a macro so nr_irqs = max_nr_irqs(nr_cpu_ids) can be used */
 # define max_nr_irqs(nr_cpus)				\
-	((8 * nr_cpus) > (32 * MAX_IO_APICS) ?		\
-		(NR_VECTORS + (8 * NR_CPUS)) :		\
+	((8 * (nr_cpus)) > (32 * MAX_IO_APICS) ?		\
+		(NR_VECTORS + (8 * (nr_cpus)) :		\
 		(NR_VECTORS + (32 * MAX_IO_APICS)))	\
 
 # define NR_IRQS max_nr_irqs(NR_CPUS)
--
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