linux-kernel - Re: [PATCH v5 2/2] mm/page_alloc: integrate classzone_idx and high

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Message-ID: <alpine.DEB.2.22.394.2004171201310.89859@chino.kir.corp.google.com>
Date:   Fri, 17 Apr 2020 12:01:42 -0700 (PDT)
From:   David Rientjes <rientjes@...gle.com>
To:     js1304@...il.com
cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Minchan Kim <minchan@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Mel Gorman <mgorman@...hsingularity.net>, kernel-team@....com,
        Ye Xiaolong <xiaolong.ye@...el.com>,
        Baoquan He <bhe@...hat.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH v5 2/2] mm/page_alloc: integrate classzone_idx and
 high_zoneidx

On Fri, 17 Apr 2020, 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.
> 
> Reviewed-by: Baoquan He <bhe@...hat.com>
> Acked-by: Vlastimil Babka <vbabka@...e.cz>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Acked-by: David Rientjes <rientjes@...gle.com>