Messages in this thread | | | Subject | Re: [PATCH] x86-32: Allocate irq stacks seperate from percpu area | From | Eric Dumazet <> | Date | Wed, 27 Oct 2010 08:07:50 +0200 |
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Le mercredi 27 octobre 2010 à 01:43 -0400, Brian Gerst a écrit : > The percpu allocator cannot handle alignments larger than one page. > Allocate the irq stacks seperately, and only keep the pointers as > percpu data. > > Signed-off-by: Brian Gerst <brgerst@gmail.com>
> > - irqctx = &per_cpu(hardirq_stack, cpu); > + irqctx = (union irq_ctx *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER);
Hmm, then we lose NUMA affinity for stacks.
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