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Date:   Tue, 24 Nov 2020 11:51:31 +0000
From:   Christoph Hellwig <hch@...radead.org>
To:     Zhen Lei <thunder.leizhen@...wei.com>
Cc:     "Darrick J . Wong" <darrick.wong@...cle.com>,
        Brian Foster <bfoster@...hat.com>,
        linux-xfs <linux-xfs@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] xfs: check the return value of krealloc()

On Tue, Nov 24, 2020 at 06:45:30PM +0800, Zhen Lei wrote:
> krealloc() may fail to expand the memory space. Add sanity checks to it,
> and WARN() if that really happened.

What part of the __GFP_NOFAIL semantics isn't clear enough?

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