linux-kernel - Re: [PATCH v1] mm, hwpoison: enable error handling on shmem thp

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: <20210209114640.73a68074f635852c2ce498e6@linux-foundation.org>
Date:   Tue, 9 Feb 2021 11:46:40 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Naoya Horiguchi <nao.horiguchi@...il.com>
Cc:     linux-mm@...ck.org, Michal Hocko <mhocko@...nel.org>,
        Oscar Salvador <osalvador@...e.de>,
        Tony Luck <tony.luck@...el.com>,
        Matthew Wilcox <willy@...radead.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
        Naoya Horiguchi <naoya.horiguchi@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] mm, hwpoison: enable error handling on shmem thp

On Tue,  9 Feb 2021 15:21:28 +0900 Naoya Horiguchi <nao.horiguchi@...il.com> wrote:

> Currently hwpoison code checks PageAnon() for thp and refuses to handle
> errors on non-anonymous thps (just for historical reason).  We now
> support non-anonymou thp like shmem one, so this patch suggests to enable
> to handle shmem thps. Fortunately, we already have can_split_huge_page()
> to check if a give thp is splittable, so this patch relies on it.

Thanks.  We're at -rc7 so I think I'll park this one for 5.12-rc1,
unless it is more urgent than I believe it to be?