linux-kernel - Re: [mm/gup] 57efa1fe59: will-it-scale.per_thread

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Date:   Mon, 7 Jun 2021 17:03:53 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Feng Tang <feng.tang@...el.com>
Cc:     Waiman Long <longman@...hat.com>, Jason Gunthorpe <jgg@...dia.com>,
        kernel test robot <oliver.sang@...el.com>,
        John Hubbard <jhubbard@...dia.com>, Jan Kara <jack@...e.cz>,
        Peter Xu <peterx@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Christoph Hellwig <hch@....de>,
        Hugh Dickins <hughd@...gle.com>, Jann Horn <jannh@...gle.com>,
        Kirill Shutemov <kirill@...temov.name>,
        Kirill Tkhai <ktkhai@...tuozzo.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Michal Hocko <mhocko@...e.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        kernel test robot <lkp@...el.com>,
        "Huang, Ying" <ying.huang@...el.com>, zhengjun.xing@...el.com
Subject: Re: [mm/gup] 57efa1fe59: will-it-scale.per_thread_ops -9.2% regression

On Sun, Jun 6, 2021 at 11:06 PM Feng Tang <feng.tang@...el.com> wrote:
>
> Please review the updated patch, thanks

Looks good to me. Thanks,

               Linus