Re: [RFC PATCHv2] mm: introduce defer free for cma

From: David Hildenbrand
Date: Tue Apr 11 2023 - 04:55:21 EST


On 10.04.23 10:46, zhaoyang.huang wrote:
From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>

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