linux-kernel - Re: mmotm 2021-05-12-21-46 uploaded (mm/memory

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Date:   Thu, 13 May 2021 05:36:44 +0000
From:   HORIGUCHI NAOYA(堀口　直也) 
        <naoya.horiguchi@....com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "broonie@...nel.org" <broonie@...nel.org>
CC:     "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
        "mhocko@...e.cz" <mhocko@...e.cz>,
        "mm-commits@...r.kernel.org" <mm-commits@...r.kernel.org>,
        "sfr@...b.auug.org.au" <sfr@...b.auug.org.au>
Subject: Re: mmotm 2021-05-12-21-46 uploaded (mm/memory_failure.c)

On Wed, May 12, 2021 at 10:28:29PM -0700, Randy Dunlap wrote:
> On 5/12/21 9:47 PM, akpm@...ux-foundation.org wrote:
> > The mm-of-the-moment snapshot 2021-05-12-21-46 has been uploaded to
> > 
> >    https://www.ozlabs.org/~akpm/mmotm/
> > 
> > mmotm-readme.txt says
> > 
> > README for mm-of-the-moment:
> > 
> > https://www.ozlabs.org/~akpm/mmotm/
> > 
> > This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
> > more than once a week.
> > 
> > You will need quilt to apply these patches to the latest Linus release (5.x
> > or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
> > https://ozlabs.org/~akpm/mmotm/series
> > 
> > The file broken-out.tar.gz contains two datestamp files: .DATE and
> > .DATE-yyyy-mm-dd-hh-mm-ss.  Both contain the string yyyy-mm-dd-hh-mm-ss,
> > followed by the base kernel version against which this patch series is to
> > be applied.
> > 
> > This tree is partially included in linux-next.  To see which patches are
> > included in linux-next, consult the `series' file.  Only the patches
> > within the #NEXT_PATCHES_START/#NEXT_PATCHES_END markers are included in
> > linux-next.
> 
> on x86_64:
> # CONFIG_HUGETLBFS is not set
> 
> ../mm/memory-failure.c: In function ‘__get_hwpoison_page’:
> ../mm/memory-failure.c:962:15: error: ‘hugetlb_lock’ undeclared (first use in this function); did you mean ‘huge_pte_lock’?
>     spin_lock(&hugetlb_lock);
>                ^~~~~~~~~~~~
> 
> -- 
> ~Randy
> Reported-by: Randy Dunlap <rdunlap@...radead.org>

Thanks, we need "#ifdef CONFIG_HUGETLB_PAGE" for the added code.
And this patch is still under discussion and needs to be updated.
So Andrew, could you drop the following patches from linux-mm?

mmhwpoison-make-get_hwpoison_page-call-get_any_page.patch added to -mm tree
mmhwpoison-fix-race-with-compound-page-allocation.patch added to -mm tree

- Naoya