Re: percpu allocator vs reclaim

[Tejun Heo]

Peter Zijlstra wrote:
> Hi Tejun,
> 
> Thomas hit the below on recent -tip kernels.
> 
> Which basically states that we could deadlock due to reclaim lock
> recursion.
> 
> Looking at the code I don't see a quick solution, other than using
> GFP_NOFS, which is a bit of a bother (as I suspect it might easily grow
> __GFP_IO inversion too, if it doesn't already have it).

Ah... maybe percpu allocator should just swallow @gfp.  Any better
ideas? :-(

-- 
tejun
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