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| author | Yinghai Lu <yinghai@kernel.org> | 2009-01-12 17:39:24 -0800 |
|---|---|---|
| committer | Mike Travis <travis@sgi.com> | 2009-01-12 17:39:24 -0800 |
| commit | 4a046d1754ee6ebb6f399696805ed61ea0444d4c (patch) | |
| tree | 9b9e8e63d9490aea4c2f06263ad541cb8115eb63 /include/linux/interrupt.h | |
| parent | e65e49d0f3714f4a6a42f6f6a19926ba33fcda75 (diff) | |
| download | lwn-4a046d1754ee6ebb6f399696805ed61ea0444d4c.tar.gz lwn-4a046d1754ee6ebb6f399696805ed61ea0444d4c.zip | |
x86: arch_probe_nr_irqs
Impact: save RAM with large NR_CPUS, get smaller nr_irqs
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Mike Travis <travis@sgi.com>
Diffstat (limited to 'include/linux/interrupt.h')
| -rw-r--r-- | include/linux/interrupt.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 9127f6b51a39..472f11765f60 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -467,6 +467,7 @@ int show_interrupts(struct seq_file *p, void *v); struct irq_desc; extern int early_irq_init(void); +extern int arch_probe_nr_irqs(void); extern int arch_early_irq_init(void); extern int arch_init_chip_data(struct irq_desc *desc, int cpu); |