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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2008-09-06 20:04:36 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-06 20:04:36 +0200 |
| commit | 978b0116cd225682a29e3d1d5010319bf2de32c2 (patch) | |
| tree | 250cc9c7740e72407993f22358449b87d322cb32 | |
| parent | 70bb08962ea9bd50797ae9f16b2493f5f7c65053 (diff) | |
| download | op-kernel-dev-978b0116cd225682a29e3d1d5010319bf2de32c2.zip op-kernel-dev-978b0116cd225682a29e3d1d5010319bf2de32c2.tar.gz | |
softirq: allocate less vectors
We don't need whole 32 of them, only NR_SOFTIRQS.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | include/linux/interrupt.h | 2 | ||||
| -rw-r--r-- | kernel/softirq.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 58ff4e7..54b3623 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -252,6 +252,8 @@ enum HRTIMER_SOFTIRQ, #endif RCU_SOFTIRQ, /* Preferable RCU should always be the last softirq */ + + NR_SOFTIRQS }; /* softirq mask and active fields moved to irq_cpustat_t in diff --git a/kernel/softirq.c b/kernel/softirq.c index c506f26..82e32aa 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -46,7 +46,7 @@ irq_cpustat_t irq_stat[NR_CPUS] ____cacheline_aligned; EXPORT_SYMBOL(irq_stat); #endif -static struct softirq_action softirq_vec[32] __cacheline_aligned_in_smp; +static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp; static DEFINE_PER_CPU(struct task_struct *, ksoftirqd); |
