Messages in this thread | | | Date | Mon, 19 Dec 2011 14:56:35 -0800 | From | Tejun Heo <> | Subject | Re: [RFT PATCH] blkio: alloc per cpu data from worker thread context( Re: kvm deadlock) |
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Hello, Vivek.
On Mon, Dec 19, 2011 at 01:27:17PM -0500, Vivek Goyal wrote: > Ok, that's good to know. If per cpu allocator can support this use case, > it will be good for 3.3 onwards. This seems to be right way to go to fix > the problem.
Ummm... if we're gonna make percpu usable w/ GFP_NOIO, the right interim solution would be making a simplistic mempool so that later when percpu can do it, it can be swapped easily. I really can't see much benefit of adding refcnting on top of everything just for this.
Thanks.
-- tejun
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