Re: [PATCH] mm,vmscan: Use accurate values for zone_reclaimable() checks

[Tejun Heo]

On Thu, Oct 22, 2015 at 05:35:59PM +0200, Michal Hocko wrote:
> But that shouldn't happen because the allocation path does cond_resched
> even when nothing is really reclaimable (e.g. wait_iff_congested from
> __alloc_pages_slowpath).

cond_resched() isn't enough.  The work item should go !RUNNING, not
just yielding.

-- 
tejun
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