linux-kernel - Re: [PATCH 2/2] mm: fix numa stats for thp migration

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Message-ID: <20201228194459.GB318614@carbon.dhcp.thefacebook.com>
Date:   Mon, 28 Dec 2020 11:44:59 -0800
From:   Roman Gushchin <guro@...com>
To:     Shakeel Butt <shakeelb@...gle.com>
CC:     Muchun Song <songmuchun@...edance.com>,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Johannes Weiner <hannes@...xchg.org>,
        <cgroups@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>
Subject: Re: [PATCH 2/2] mm: fix numa stats for thp migration

On Sun, Dec 27, 2020 at 10:13:10AM -0800, Shakeel Butt wrote:
> Currently the kernel is not correctly updating the numa stats for
> NR_FILE_PAGES and NR_SHMEM on THP migration. Fix that. For NR_FILE_DIRTY
> and NR_ZONE_WRITE_PENDING, although at the moment there is no need to
> handle THP migration as kernel still does not have write support for
> file THP but to be more future proof, this patch adds the THP support
> for those stats as well.
> 
> Fixes: e71769ae52609 ("mm: enable thp migration for shmem thp")
> Signed-off-by: Shakeel Butt <shakeelb@...gle.com>
> Cc: <stable@...r.kernel.org>

With the typo fix ("__mod_zone_page_tate")

Reviewed-by: Roman Gushchin <guro@...com>

Thanks!