linux-kernel - Re: [PATCH] mm: Remove zone_id() and make use of zone_idx() in is_dev

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Message-ID: <CAGM2reYo+3ONoLQqD8tQMMKuQ5ZPJf6CjpcahHeMtNQ-B1FuRA@mail.gmail.com>
Date:   Mon, 30 Jul 2018 10:10:18 -0400
From:   Pavel Tatashin <pasha.tatashin@...cle.com>
To:     osalvador@...hadventures.net
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Stephen Rothwell <sfr@...b.auug.org.au>, rientjes@...gle.com,
        kemi.wang@...el.com, jia.he@...-semitech.com,
        Petr Tesařík <ptesarik@...e.com>,
        aryabinin@...tuozzo.com,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>, dan.j.williams@...el.com,
        osalvador@...e.de
Subject: Re: [PATCH] mm: Remove zone_id() and make use of zone_idx() in is_dev_zone()

On Mon, Jul 30, 2018 at 9:37 AM <osalvador@...hadventures.net> wrote:
>
> From: Oscar Salvador <osalvador@...e.de>
>
> is_dev_zone() is using zone_id() to check if the zone is ZONE_DEVICE.
> zone_id() looks pretty much the same as zone_idx(), and while the use of
> zone_idx() is quite spread in the kernel, zone_id() is only being
> used by is_dev_zone().
>
> This patch removes zone_id() and makes is_dev_zone() use zone_idx()
> to check the zone, so we do not have two things with the same
> functionality around.
>
> Signed-off-by: Oscar Salvador <osalvador@...e.de>

Thank you:
Reviewed-by: Pavel Tatashin <pasha.tatashin@...cle.com>