linux-kernel - Re: [PATCH] mm/mempolicy: Fix decision-making issues for memory migration during NUMA balancing

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Message-ID: <Z0TbpP02utF1lBzJ@tiehlicka>
Date: Mon, 25 Nov 2024 21:18:44 +0100
From: Michal Hocko <mhocko@...e.com>
To: Junjie Fu <fujunjie1@...com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	akpm@...ux-foundation.org, dave.hansen@...el.com, gourry@...rry.net
Subject: Re: [PATCH] mm/mempolicy: Fix decision-making issues for memory
 migration during NUMA balancing

On Tue 26-11-24 03:45:01, Junjie Fu wrote:
[...]
> I apologize for the oversight when reviewing the code regarding the process
> of setting only the first node in the nodemask for the MPOL_PREFERRED memory
> policy. 

There is no need to apologize! Really, this code is far from
straightforward and it is not easy to get all the loose ends together.
What helps though, is to help reviewers with the problem statement. It
often helps to state whether the fix is based on code review or it is
fixing a real life or even artificial workload.
-- 
Michal Hocko
SUSE Labs