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Date: Mon, 6 Mar 2017 14:38:33 +0100
From: Michal Hocko <mhocko@kernel.org>
Subject: Re: [PATCH 1/2] mm: use is_migrate_highatomic() to simplify the code
Message-ID: <20170306133832.GE27953@dhcp22.suse.cz>
References: <58B94F15.6060606@huawei.com>
 <20170303131808.GH31499@dhcp22.suse.cz>
 <20170303150619.4011826c7e645c0725efd6ae@linux-foundation.org>
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: Xishi Qiu <qiuxishi@huawei.com>, Vlastimil Babka <vbabka@suse.cz>, Mel Gorman <mgorman@techsingularity.net>, Minchan Kim <minchan@kernel.org>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Yisheng Xie <xieyisheng1@huawei.com>, Linux MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>

On Fri 03-03-17 15:06:19, Andrew Morton wrote:
> On Fri, 3 Mar 2017 14:18:08 +0100 Michal Hocko <mhocko@kernel.org> wrote:
> 
> > On Fri 03-03-17 19:10:13, Xishi Qiu wrote:
> > > Introduce two helpers, is_migrate_highatomic() and is_migrate_highatomic_page().
> > > Simplify the code, no functional changes.
> > 
> > static inline helpers would be nicer than macros
> 
> Always.
> 
> We made a big dependency mess in mmzone.h.  internal.h works.

Just too bad we have three different header files for
is_migrate_isolate{_page} - include/linux/page-isolation.h
is_migrate_cma{_page} - include/linux/mmzone.h
is_migrate_highatomic{_page} - mm/internal.h

I guess we want all of them in internal.h?

-- 
Michal Hocko
SUSE Labs

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