linux-kernel - Re: [PATCH 4/4] mm/rmap: try_to_migrate() skip zone_device !device

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]

Date:   Wed, 7 Jul 2021 13:54:07 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Hugh Dickins <hughd@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Alistair Popple <apopple@...dia.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Ralph Campbell <rcampbell@...dia.com>,
        Christoph Hellwig <hch@....de>, Yang Shi <shy828301@...il.com>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>
Subject: Re: [PATCH 4/4] mm/rmap: try_to_migrate() skip zone_device !device_private

On Wed, Jul 7, 2021 at 1:13 PM Hugh Dickins <hughd@...gle.com> wrote:
>
> I know nothing about zone_device pages and !device_private pages; but
> if try_to_migrate_one() will do nothing for them, then it's better that
> try_to_migrate() filter them first, than trawl through all their vmas.
>
> Signed-off-by: Hugh Dickins <hughd@...gle.com>

Reviewed-by: Shakeel Butt <shakeelb@...gle.com>