linux-kernel - Re: [PATCH v1 10/11] mm: pass migratetype into memmap_init_zone() and move_pfn_range_to

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Message-ID: <20200819130835.GO5422@dhcp22.suse.cz>
Date:   Wed, 19 Aug 2020 15:08:35 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Wei Yang <richard.weiyang@...ux.alibaba.com>,
        Baoquan He <bhe@...hat.com>,
        Pankaj Gupta <pankaj.gupta.linux@...il.com>,
        Oscar Salvador <osalvador@...e.de>,
        Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Mike Rapoport <rppt@...nel.org>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Michel Lespinasse <walken@...gle.com>,
        linux-ia64@...r.kernel.org
Subject: Re: [PATCH v1 10/11] mm: pass migratetype into memmap_init_zone()
 and move_pfn_range_to_zone()

On Wed 19-08-20 12:11:56, David Hildenbrand wrote:
> On the memory hotplug path, we want to start with MIGRATE_ISOLATE, to
> un-isolate the pages after memory onlining is complete. Let's allow
> passing in the migratetype.
> 
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Michal Hocko <mhocko@...e.com>
> Cc: Wei Yang <richard.weiyang@...ux.alibaba.com>
> Cc: Baoquan He <bhe@...hat.com>
> Cc: Pankaj Gupta <pankaj.gupta.linux@...il.com>
> Cc: Oscar Salvador <osalvador@...e.de>
> Cc: Tony Luck <tony.luck@...el.com>
> Cc: Fenghua Yu <fenghua.yu@...el.com>
> Cc: Logan Gunthorpe <logang@...tatee.com>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Cc: Mike Rapoport <rppt@...nel.org>
> Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>
> Cc: Michel Lespinasse <walken@...gle.com>
> Cc: linux-ia64@...r.kernel.org
> Signed-off-by: David Hildenbrand <david@...hat.com>

Acked-by: Michal Hocko <mhocko@...e.com>
-- 
Michal Hocko
SUSE Labs