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Date:   Wed, 25 Jan 2017 11:19:57 +0100
From:   Christoph Hellwig <>
To:     Michal Hocko <>
Cc:     Tetsuo Handa <>,
        Christoph Hellwig <>,,,,,
Subject: Re: [RFC PATCH 1/2] mm, vmscan: account the number of isolated
        pages per zone

On Wed, Jan 25, 2017 at 11:15:17AM +0100, Michal Hocko wrote:
> I think we are missing a check for fatal_signal_pending in
> iomap_file_buffered_write. This means that an oom victim can consume the
> full memory reserves. What do you think about the following? I haven't
> tested this but it mimics generic_perform_write so I guess it should
> work.

Hi Michal,

this looks reasonable to me.  But we have a few more such loops,
maybe it makes sense to move the check into iomap_apply?

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