Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole punch

From	Andrew Morton <akpm@linux-foundation.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole punch
Date	2016-01-12 03:30 +0100
Message-ID	<qPWSC-2Tc-9@gated-at.bofh.it> (permalink)
References	<qO4Uj-7jF-37@gated-at.bofh.it> <qPTi2-n6-27@gated-at.bofh.it> <qPUe6-11z-9@gated-at.bofh.it> <qPV0u-1AF-25@gated-at.bofh.it> <qPW6e-2l7-13@gated-at.bofh.it>
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On Mon, 11 Jan 2016 17:36:43 -0800 Mike Kravetz <mike.kravetz@oracle.com> wrote:

> > 
> > I'll mark this patch as "pending, awaiting Mike's go-ahead".
> > 
> 
> When this patch was originally submitted, bugs were discovered in the
> hugetlb_vmdelete_list routine.  So, the patch "Fix bugs in
> hugetlb_vmtruncate_list" was created.
> 
> I have retested the changes in this patch specifically dealing with
> page fault/hole punch race on top of the new hugetlb_vmtruncate_list
> routine.  Everything looks good.
> 
> How would you like to proceed with the patch?
> - Should I create a series with the hugetlb_vmtruncate_list split out?
> - Should I respin with hugetlb_vmtruncate_list patch applied?
> 
> Just let me know what is easiest/best for you.

If you're saying that
http://ozlabs.org/~akpm/mmots/broken-out/mm-mempolicy-skip-non-migratable-vmas-when-setting-mpol_mf_lazy.patch
and
http://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlbfs-unmap-pages-if-page-fault-raced-with-hole-punch.patch
are the final everything-works versions then we're all good to go now.

Thread

[PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole punch Mike Kravetz <mike.kravetz@oracle.com> - 2016-01-06 23:40 +0100
  Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole punch "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-01-07 09:10 +0100
    Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Mike Kravetz <mike.kravetz@oracle.com> - 2016-01-07 17:50 +0100
    Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Mike Kravetz <mike.kravetz@oracle.com> - 2016-01-08 05:40 +0100
      Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole punch "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-01-08 07:30 +0100
  Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Andrew Morton <akpm@linux-foundation.org> - 2016-01-11 23:40 +0100
    Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Mike Kravetz <mike.kravetz@oracle.com> - 2016-01-12 00:40 +0100
      Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Andrew Morton <akpm@linux-foundation.org> - 2016-01-12 01:30 +0100
        Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Mike Kravetz <mike.kravetz@oracle.com> - 2016-01-12 02:40 +0100
          Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Andrew Morton <akpm@linux-foundation.org> - 2016-01-12 03:30 +0100
            Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Mike Kravetz <mike.kravetz@oracle.com> - 2016-01-12 04:30 +0100
              Re: [PATCH] mm/hugetlbfs: Unmap pages if page fault raced with hole  punch Andrew Morton <akpm@linux-foundation.org> - 2016-01-12 05:40 +0100

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