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From: David Hildenbrand <david@redhat.com>
To: "zhaoyang.huang" <zhaoyang.huang@unisoc.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Minchan Kim <minchan@kernel.org>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Zhaoyang Huang <huangzhaoyang@gmail.com>,
	ke.wang@unisoc.com
Subject: Re: [RFC PATCHv2] mm: introduce defer free for cma
Date: Tue, 11 Apr 2023 10:54:25 +0200	[thread overview]
Message-ID: <5e010945-3603-d0ab-52c1-12cce3c85c3d@redhat.com> (raw)
In-Reply-To: <1681116395-18633-1-git-send-email-zhaoyang.huang@unisoc.com>

On 10.04.23 10:46, zhaoyang.huang wrote:
> From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
> 
> Continues page blocks are expensive for the system. Introducing defer free
> mechanism to buffer some which make the allocation easier. The shrinker will
> ensure the page block can be reclaimed when there is memory pressure.

This looks unnecessarily complicated without any good motivation and 
performance numbers why we should even care.

-- 
Thanks,

David / dhildenb



      parent reply	other threads:[~2023-04-11  8:54 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-10  8:46 zhaoyang.huang
2023-04-10  9:03 ` Wu Bo
2023-04-11  8:35 ` Huang, Ying
2023-04-11  8:54 ` David Hildenbrand [this message]

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