linux-kernel - Re: [PATCH 1/2] mm: multi-gen LRU: remove MM_LEAF_OLD and MM_NONLEAF

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Message-Id: <20241023202608.d4c3c8a5fef8b7e33667cf31@linux-foundation.org>
Date: Wed, 23 Oct 2024 20:26:08 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: James Houghton <jthoughton@...gle.com>
Cc: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini
 <pbonzini@...hat.com>, David Matlack <dmatlack@...gle.com>, David Rientjes
 <rientjes@...gle.com>, Oliver Upton <oliver.upton@...ux.dev>, David Stevens
 <stevensd@...gle.com>, Yu Zhao <yuzhao@...gle.com>, Wei Xu
 <weixugc@...gle.com>, Axel Rasmussen <axelrasmussen@...gle.com>,
 kvm@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 1/2] mm: multi-gen LRU: remove MM_LEAF_OLD and
 MM_NONLEAF_TOTAL stats

On Sat, 19 Oct 2024 01:29:38 +0000 James Houghton <jthoughton@...gle.com> wrote:

> From: Yu Zhao <yuzhao@...gle.com>
> 
> The removed stats, MM_LEAF_OLD and MM_NONLEAF_TOTAL, are not very
> helpful and become more complicated to properly compute when adding
> test/clear_young() notifiers in MGLRU's mm walk.
> 

Patch 2/2 has Fixes: and cc:stable.  Patch 2/2 requires patch 1/2.  So I
added the same Fixes: and cc:stable to patch 1/2.