Re: [PATCH v2] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for lazy mbind

From	David Rientjes <rientjes@google.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for lazy mbind
Date	2016-01-21 00:40 +0100
Message-ID	<qTaw2-58k-17@gated-at.bofh.it> (permalink)
References	<qSMWK-5DX-17@gated-at.bofh.it> <qT1Cr-7BQ-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, 20 Jan 2016, Liang Chen wrote:

> VM_HUGETLB and VM_MIXEDMAP vma needs to be excluded to avoid compound
> pages being marked for migration and unexpected COWs when handling
> hugetlb fault.
> 
> Thanks to Naoya Horiguchi for reminding me on these checks.
> 
> Signed-off-by: Liang Chen <liangchen.linux@gmail.com>
> Signed-off-by: Gavin Guo <gavin.guo@canonical.com>
> Suggested-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

Acked-by: David Rientjes <rientjes@google.com>

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[PATCH] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for lazy mbind Liang Chen <liangchen.linux@gmail.com> - 2016-01-18 15:10 +0100
  Re: [PATCH] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for  lazy mbind SeongJae Park <sj38.park@gmail.com> - 2016-01-19 02:20 +0100
    Re: [PATCH] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for  lazy mbind Gavin Guo <gavin.guo@canonical.com> - 2016-01-19 03:50 +0100
      Re: [PATCH] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for  lazy mbind SeongJae Park <sj38.park@gmail.com> - 2016-01-19 04:10 +0100
        Re: [PATCH] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for  lazy mbind Liang Chen <liangchen.linux@gmail.com> - 2016-01-20 14:50 +0100
  Re: [PATCH] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for  lazy mbind David Rientjes <rientjes@google.com> - 2016-01-19 23:30 +0100
    [PATCH v2] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for lazy mbind Liang Chen <liangchen.linux@gmail.com> - 2016-01-20 15:10 +0100
      Re: [PATCH v2] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA  for lazy mbind David Rientjes <rientjes@google.com> - 2016-01-21 00:40 +0100

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