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Date:   Mon, 15 Jul 2019 15:22:55 -0700
From:   Andrew Morton <>
To:     Yang Shi <>
Subject: Re: [v2 PATCH 0/2] mm: mempolicy: fix mbind()'s inconsistent
 behavior for unmovable pages

On Sat, 22 Jun 2019 08:20:07 +0800 Yang Shi <> wrote:

> Changelog
> v2: * Fixed the inconsistent behavior by not aborting !vma_migratable()
>       immediately by a separate patch (patch 1/2), and this is also the
>       preparation for patch 2/2. For the details please see the commit
>       log.  Per Vlastimil.
>     * Not abort immediately if unmovable page is met. This should handle
>       non-LRU movable pages and temporary off-LRU pages more friendly.
>       Per Vlastimil and Michal Hocko.
> Yang Shi (2):
>       mm: mempolicy: make the behavior consistent when MPOL_MF_MOVE* and MPOL_MF_STRICT were specified
>       mm: mempolicy: handle vma with unmovable pages mapped correctly in mbind

I'm seeing no evidence of review on these two.  Could we please take a
look?  2/2 fixes a kernel crash so let's please also think about the
-stable situation.

I have a note here that Vlastimil had an issue with [1/2] but I seem to
hae misplaced that email :(

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