linux-kernel - Re: [PATCH] mm,do_huge_pmd_numa_page: remove unnecessary TLB flushing code

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Message-Id: <20210723131932.aa889158e9c8cd3ac089e8e5@linux-foundation.org>
Date:   Fri, 23 Jul 2021 13:19:32 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     "Huang, Ying" <ying.huang@...el.com>
Cc:     Christian Borntraeger <borntraeger@...ibm.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Yang Shi <shy828301@...il.com>, Zi Yan <ziy@...dia.com>,
        Linux MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Mel Gorman <mgorman@...e.de>,
        Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Hugh Dickins <hughd@...gle.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Michal Hocko <mhocko@...e.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        kvm list <kvm@...r.kernel.org>
Subject: Re: [PATCH] mm,do_huge_pmd_numa_page: remove unnecessary TLB
 flushing code

On Fri, 23 Jul 2021 08:03:42 +0800 "Huang, Ying" <ying.huang@...el.com> wrote:

> Can you help to add the following text to the end of the original patch
> description?
> 
> "
> The mmu_notifier_invalidate_range() in do_huge_pmd_numa_page() is
> deleted too.  Because migrate_pages() takes care of that too when CPU
> TLB is flushed.
> "

Done.