Messages in this thread Patch in this message | | | Date | Fri, 3 Oct 2014 09:04:40 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: Why do we still have 32 bit counters? Interrupt counters overflow within 50 days |
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> Fine, but the subject line sounded different.
Hmmm.... Found a bug. We need this patch on top
Subject: Fix allocpercpu
Must allocate unsigned long not int.
Signed-off-by: Christoph Lameter <cl@linux.com>
Index: linux/kernel/irq/irqdesc.c =================================================================== --- linux.orig/kernel/irq/irqdesc.c +++ linux/kernel/irq/irqdesc.c @@ -140,7 +140,7 @@ static struct irq_desc *alloc_desc(int i if (!desc) return NULL; /* allocate based on nr_cpu_ids */ - desc->kstat_irqs = alloc_percpu(unsigned int); + desc->kstat_irqs = alloc_percpu(unsigned long); if (!desc->kstat_irqs) goto err_desc;
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