Messages in this thread |  | | | Date | Wed, 27 Oct 2010 17:30:53 +0200 | | From | Ingo Molnar <> | | Subject | Re: [PATCH] x86-32: Allocate irq stacks seperate from percpu area |
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* Linus Torvalds <torvalds@linux-foundation.org> wrote:
> On Tue, Oct 26, 2010 at 10:43 PM, Brian Gerst <brgerst@gmail.com> wrote: > > The percpu allocator cannot handle alignments larger than one page. > > Allocate the irq stacks seperately, and only keep the pointers as > > percpu data. > > Ok, so I definitely want this (although it sounds like it would be good to do the > allocation numa-aware - possibly a separate issue). > > However, I also want to remove all the crap that got added for the multi-page > percpu support. It was ugly, and apparently never really worked. All the > PER_CPU_MULTIPAGE_ALIGNED crud just needs to go away. > > Ingo, can you take care of this all, or should I just take the patch and remove > the multipage stuff manually?
Sure, i'm queuing up Brian's patch (initially wanted to wait for the NUMA-aware version) and will remove all the multipage pcpu bits - will send you a pull request later today, after a bit of testing.
Thanks,
Ingo
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