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Message-ID: <496AD895.10701@kernel.org> Date: Sun, 11 Jan 2009 21:43:49 -0800 From: Yinghai Lu <yinghai@...nel.org> To: Ingo Molnar <mingo@...e.hu>, Mike Travis <travis@....com> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: [PATCH] x86: use nr_cpus in max_nr_irqs() Impact: get more small nr_irqs Signed-off-by: Yinghai Lu <yinghai@...nel.org> --- 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) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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