linux-kernel - Re: [PATCH 01/16] mm/huge_memory: use flush_pmd_tlb_range in move_huge

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: <YrQInzK5g/NJMmSA@FVFYT0MHHV2J.usts.net>
Date:   Thu, 23 Jun 2022 14:30:55 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     Miaohe Lin <linmiaohe@...wei.com>
Cc:     akpm@...ux-foundation.org, shy828301@...il.com,
        willy@...radead.org, zokeefe@...gle.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/16] mm/huge_memory: use flush_pmd_tlb_range in
 move_huge_pmd

On Thu, Jun 23, 2022 at 01:06:12AM +0800, Miaohe Lin wrote:
> ARCHes with special requirements for evicting THP backing TLB entries can
> implement flush_pmd_tlb_range. Otherwise also, it can help optimize TLB
> flush in THP regime. Using flush_pmd_tlb_range to take advantage of this
> in move_huge_pmd.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>

LGTM.

Reviewed-by: Muchun Song <songmuchun@...edance.com>