linux-kernel - Re: [PATCH v12 2/6] mm: Use zone and order instead of free area in free

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Message-ID: <c3544859-606d-4e8f-2e48-2d7868e0fa13@redhat.com>
Date:   Wed, 23 Oct 2019 10:26:32 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Alexander Duyck <alexander.duyck@...il.com>, kvm@...r.kernel.org,
        mst@...hat.com, linux-kernel@...r.kernel.org, willy@...radead.org,
        mhocko@...nel.org, linux-mm@...ck.org, akpm@...ux-foundation.org,
        mgorman@...hsingularity.net, vbabka@...e.cz
Cc:     yang.zhang.wz@...il.com, nitesh@...hat.com, konrad.wilk@...cle.com,
        pagupta@...hat.com, riel@...riel.com, lcapitulino@...hat.com,
        dave.hansen@...el.com, wei.w.wang@...el.com, aarcange@...hat.com,
        pbonzini@...hat.com, dan.j.williams@...el.com,
        alexander.h.duyck@...ux.intel.com, osalvador@...e.de
Subject: Re: [PATCH v12 2/6] mm: Use zone and order instead of free area in
 free_list manipulators

On 23.10.19 00:28, Alexander Duyck wrote:
> From: Alexander Duyck <alexander.h.duyck@...ux.intel.com>
> 
> In order to enable the use of the zone from the list manipulator functions
> I will need access to the zone pointer. As it turns out most of the
> accessors were always just being directly passed &zone->free_area[order]
> anyway so it would make sense to just fold that into the function itself
> and pass the zone and order as arguments instead of the free area.
> 
> In order to be able to reference the zone we need to move the declaration
> of the functions down so that we have the zone defined before we define the
> list manipulation functions. Since the functions are only used in the file
> mm/page_alloc.c we can just move them there to reduce noise in the header.
> 
> Reviewed-by: Dan Williams <dan.j.williams@...el.com>
> Reviewed-by: David Hildenbrand <david@...hat.com>
> Reviewed-by: Pankaj Gupta <pagupta@...hat.com>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@...ux.intel.com>
> ---
>   include/linux/mmzone.h |   32 -----------------------
>   mm/page_alloc.c        |   67 +++++++++++++++++++++++++++++++++++-------------
>   2 files changed, 49 insertions(+), 50 deletions(-)

Did you see

https://lore.kernel.org/lkml/20191001152928.27008.8178.stgit@localhost.localdomain/T/#m4d2bc2f37bd7bdc3ae35c4f197905c275d0ad2f9

this time?

And the difference to the old patch is only an empty line.

-- 

Thanks,

David / dhildenb