Re: [PATCH] swap: fix oops during block io poll in swapin path

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On Wed, 26 Jul 2017 09:33:50 -0700 Shaohua Li <shli@xxxxxx> wrote:

> On Wed, Jul 26, 2017 at 07:25:03PM +0900, Tetsuo Handa wrote:
> > When a thread is OOM-killed during swap_readpage() operation, an oops
> > occurs because end_swap_bio_read() is calling wake_up_process() based on
> > an assumption that the thread which called swap_readpage() is still alive.
> > 
>
> ...
>
> > 
> > Fix it by holding a reference to the thread.
> 
> Ok, so the task is killed in the page fault retry time check, thanks!
> 
> Reviewed-by: Shaohua Li <shli@xxxxxx>
> 

The original patch didn't appear in my inbox and marc.info doesn't
appear to have received it either.    Can we please have a resend?

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