linux-kernel - Re: [v2 PATCH 0/2] mm: mempolicy: fix mbind()'s inconsistent behavior for unmovable pages

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190715152255.027e2e368e16eb0a862eb9df@linux-foundation.org>
Date:   Mon, 15 Jul 2019 15:22:55 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Yang Shi <yang.shi@...ux.alibaba.com>
Cc:     vbabka@...e.cz, mhocko@...nel.org, mgorman@...hsingularity.net,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
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 <yang.shi@...ux.alibaba.com> 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 :(