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Date:   Thu, 16 Jan 2020 13:37:24 +0100
From:   Jan Kara <>
To:     "Theodore Y. Ts'o" <>
Cc:     Naoto Kobayashi <>,,
Subject: Re: [PATCH v2 2/3] ext4: Rename ext4_kvmalloc() to
 ext4_kvmalloc_nofs() and drop its flags argument

On Mon 13-01-20 17:32:37, Theodore Y. Ts'o wrote:
> On Fri, Dec 27, 2019 at 05:05:22PM +0900, Naoto Kobayashi wrote:
> > Rename ext4_kvmalloc() to ext4_kvmalloc_nofs() and drop
> > its flags argument, because ext4_kvmalloc() callers must be
> > under GFP_NOFS (otherwise, they should use generic kvmalloc()
> > helper function).
> > 
> > Signed-off-by: Naoto Kobayashi <>
> Thanks, applied.

Ted, I don't think this patch is needed at all - see my email [1]. Sadly
Naoto didn't reply to my question whether he really saw any deadlock /
lockdep splat or whether it was just a theoretical concern he had...



Jan Kara <>

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