linux-kernel - Re: [RFC PATCH 2/3] mm/memory_hotplug: Create __shrink_pages and move it to offline

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Message-ID: <20180809075055.GA14802@techadventures.net>
Date:   Thu, 9 Aug 2018 09:50:55 +0200
From:   Oscar Salvador <osalvador@...hadventures.net>
To:     Jerome Glisse <jglisse@...hat.com>
Cc:     David Hildenbrand <david@...hat.com>, akpm@...ux-foundation.org,
        mhocko@...e.com, dan.j.williams@...el.com, yasu.isimatu@...il.com,
        logang@...tatee.com, dave.jiang@...el.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Oscar Salvador <osalvador@...e.de>
Subject: Re: [RFC PATCH 2/3] mm/memory_hotplug: Create __shrink_pages and
 move it to offline_pages

On Wed, Aug 08, 2018 at 11:29:08PM +0200, Oscar Salvador wrote:
> On Wed, Aug 08, 2018 at 01:55:59PM -0400, Jerome Glisse wrote:
> > Note that Dan did post patches that already go in that direction (unifying
> > code between devm and HMM). I think they are in Andrew queue, looks for
> > 
> > mm: Rework hmm to use devm_memremap_pages and other fixes
> 
> Thanks for pointing that out.
> I will take a look at that work.

Ok, I checked the patchset [1] and I think it is nice that those two (devm and HMM)
get unified.
I think it will make things easier when we have to change things for the memory-hotplug.
Actually, I think that after [2], all hot-adding memory will be handled in 
devm_memremap_pages.

What I do not see is why the patch did not make it to further RCs.

Thanks
-- 
Oscar Salvador
SUSE L3