Re: [PATCH] mm/page_alloc: only search higher order when fallback

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To: Abel Wu <wuyun.abel@xxxxxxxxxxxxx>
Subject: Re: [PATCH] mm/page_alloc: only search higher order when fallback
From: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Date: Thu, 4 Aug 2022 13:36:08 +0800
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Michal Hocko <mhocko@xxxxxxxxxx>, Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>, Linux Memory Management List <linux-mm@xxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <20220803025121.47018-1-wuyun.abel@bytedance.com>
References: <20220803025121.47018-1-wuyun.abel@bytedance.com>

On Wed, Aug 3, 2022 at 10:51 AM Abel Wu <wuyun.abel@xxxxxxxxxxxxx> wrote:
>
> It seems unnecessary to search pages with order < alloc_order in
> fallback allocation.
>
> Signed-off-by: Abel Wu <wuyun.abel@xxxxxxxxxxxxx>

Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Thanks.

References:
- [PATCH] mm/page_alloc: only search higher order when fallback
  - From: Abel Wu

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