linux-kernel - Re: [RFC PATCH 1/3] mm, numa: rework do_pages

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Message-ID: <20171213121703.GD25185@dhcp22.suse.cz>
Date:   Wed, 13 Dec 2017 13:17:03 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     "Kirill A. Shutemov" <kirill@...temov.name>
Cc:     linux-mm@...ck.org, Zi Yan <zi.yan@...rutgers.edu>,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrea Reale <ar@...ux.vnet.ibm.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 1/3] mm, numa: rework do_pages_move

On Wed 13-12-17 15:07:33, Kirill A. Shutemov wrote:
[...]
> The approach looks fine to me.
> 
> But patch is rather large and hard to review. And how git mixed add/remove
> lines doesn't help too. Any chance to split it up further?

I was trying to do that but this is a drop in replacement so it is quite
hard to do in smaller pieces. I've already put the allocation callback
cleanup into a separate one but this is about all that I figured how to
split. If you have any suggestions I am willing to try them out.

> One nitpick: I don't think 'chunk' terminology should go away with the
> patch.

Not sure what you mean here. I have kept chunk_start, chunk_node, so I
am not really changing that terminology

Thanks!
-- 
Michal Hocko
SUSE Labs