linux-kernel - Re: [PATCH v4 2/2] mm/page_alloc: integrate classzone_idx and high

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Date:   Wed, 25 Mar 2020 16:20:28 +0100
From:   Vlastimil Babka <vbabka@...e.cz>
To:     js1304@...il.com, Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Minchan Kim <minchan@...nel.org>,
        Mel Gorman <mgorman@...hsingularity.net>, kernel-team@....com,
        Ye Xiaolong <xiaolong.ye@...el.com>,
        David Rientjes <rientjes@...gle.com>,
        Baoquan He <bhe@...hat.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH v4 2/2] mm/page_alloc: integrate classzone_idx and
 high_zoneidx

On 3/23/20 5:49 AM, js1304@...il.com wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@....com>
> 
> classzone_idx is just different name for high_zoneidx now.
> So, integrate them and add some comment to struct alloc_context
> in order to reduce future confusion about the meaning of this variable.
> 
> The accessor, ac_classzone_idx() is also removed since it isn't needed
> after integration.
> 
> In addition to integration, this patch also renames high_zoneidx
> to highest_zoneidx since it represents more precise meaning.
> 
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Acked-by: Vlastimil Babka <vbabka@...e.cz>