linux-kernel - Re: + mm-shmem-use-kmem_cache_zalloc-in-shmem_alloc

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Message-ID: <20201117181246.5f29f9ca@canb.auug.org.au>
Date:   Tue, 17 Nov 2020 18:12:46 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Hugh Dickins <hughd@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        mm-commits@...r.kernel.org, sh_def@....com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: + mm-shmem-use-kmem_cache_zalloc-in-shmem_alloc_inode.patch
 added to -mm tree

Hi Hugh,

On Mon, 16 Nov 2020 22:17:20 -0800 (PST) Hugh Dickins <hughd@...gle.com> wrote:
>
> On Mon, 16 Nov 2020, akpm@...ux-foundation.org wrote:
> > 
> > The patch titled
> >      Subject: mm/shmem: use kmem_cache_zalloc in shmem_alloc_inode()
> > has been added to the -mm tree.  Its filename is
> >      mm-shmem-use-kmem_cache_zalloc-in-shmem_alloc_inode.patch
> > 
> > This patch should soon appear at
> >     https://ozlabs.org/~akpm/mmots/broken-out/mm-shmem-use-kmem_cache_zalloc-in-shmem_alloc_inode.patch
> > and later at
> >     https://ozlabs.org/~akpm/mmotm/broken-out/mm-shmem-use-kmem_cache_zalloc-in-shmem_alloc_inode.patch
> > 
> > Before you just go and hit "reply", please:
> >    a) Consider who else should be cc'ed
> >    b) Prefer to cc a suitable mailing list as well
> >    c) Ideally: find the original patch on the mailing list and do a
> >       reply-to-all to that, adding suitable additional cc's
> > 
> > *** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
> > 
> > The -mm tree is included into linux-next and is updated
> > there every 3-4 working days
> > 
> > ------------------------------------------------------
> > From: Hui Su <sh_def@....com>
> > Subject: mm/shmem: use kmem_cache_zalloc in shmem_alloc_inode()  
> 
> Andrew, Stephen, please revert this untested "cleanup" from your
> trees a.s.a.p: it's a disaster for anyone using shmem/tmpfs.

Thanks for that.  I have also bisected my boot failures to that commit
and so have reverted it from linux-next today.

-- 
Cheers,
Stephen Rothwell

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