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irq: Make sure irq_desc for legacy irq get correct node setting

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when there is no ram on node 0.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
LKML-Reference: <4A95C32D.5040605@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2009-08-26 16:20:13 -07:00
committed by Ingo Molnar
parent 31b47cf760
commit 372e24b0cb
1 changed files with 4 additions and 1 deletions
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5
kernel/irq/handle.c
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@@ -161,7 +161,7 @@ int __init early_irq_init(void)
desc = irq_desc_legacy; desc = irq_desc_legacy;
legacy_count = ARRAY_SIZE(irq_desc_legacy); legacy_count = ARRAY_SIZE(irq_desc_legacy);
node = first_online_node; node = first_online_node;
/* allocate irq_desc_ptrs array based on nr_irqs */ /* allocate irq_desc_ptrs array based on nr_irqs */
irq_desc_ptrs = kcalloc(nr_irqs, sizeof(void *), GFP_NOWAIT); irq_desc_ptrs = kcalloc(nr_irqs, sizeof(void *), GFP_NOWAIT);
@@ -172,6 +172,9 @@ int __init early_irq_init(void)
for (i = 0; i < legacy_count; i++) { for (i = 0; i < legacy_count; i++) {
desc[i].irq = i; desc[i].irq = i;
#ifdef CONFIG_SMP
desc[i].node = node;
#endif
desc[i].kstat_irqs = kstat_irqs_legacy + i * nr_cpu_ids; desc[i].kstat_irqs = kstat_irqs_legacy + i * nr_cpu_ids;
lockdep_set_class(&desc[i].lock, &irq_desc_lock_class); lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
alloc_desc_masks(&desc[i], node, true); alloc_desc_masks(&desc[i], node, true);