From: Rik van Riel <riel@surriel.com>
To: Dev Jain <dev.jain@arm.com>, linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Brendan Jackman <brendan.jackman@linux.dev>,
Johannes Weiner <hannes@cmpxchg.org>, Zi Yan <ziy@nvidia.com>,
Kairui Song <kasong@tencent.com>, Qi Zheng <qi.zheng@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
Barry Song <baohua@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
Baoquan He <baoquan.he@linux.dev>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Mike Rapoport <rppt@kernel.org>,
linux-mm@kvack.org
Subject: Re: [RFC PATCH 2/5] mm/page_alloc: count a merged buddy's pages under the merged type
Date: Wed, 14 Oct 2026 11:40:17 -0400 [thread overview]
Message-ID: <d96d827c897823cd9236ad0554a22e832b92350f.camel@surriel.com> (raw)
In-Reply-To: <7b547b9b-3b30-4486-87ba-c9ff0e2dab56@arm.com>
On Wed, 2026-10-14 at 20:49 +0530, Dev Jain wrote:
>
> As you said, in account_freepages(), there is currently
> no conditional based on MOVABLE and UNMOVABLE. So we
> are essentially doing -x and +x, netting to zero.
Lets defer this change until later.
During a later stage of the gigablock code, I
do need to track each zone's free pages by
migratetype, but it's not needed yet.
--
All Rights Reversed.
next prev parent reply other threads:[~2026-10-14 15:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-07 2:12 [RFC PATCH 0/5] mm/page_alloc: keep non-movable pages out of movable pageblocks for THP Rik van Riel
2026-10-07 2:12 ` [RFC PATCH 1/5] mm/page_alloc: count guard pages as free again when their buddy merges Rik van Riel
2026-10-14 13:43 ` Dev Jain
2026-10-14 20:37 ` Johannes Weiner
2026-10-14 20:57 ` Zi Yan
2026-10-07 2:12 ` [RFC PATCH 2/5] mm/page_alloc: count a merged buddy's pages under the merged type Rik van Riel
2026-10-14 14:16 ` Dev Jain
2026-10-14 14:27 ` Rik van Riel
2026-10-14 15:19 ` Dev Jain
2026-10-14 15:40 ` Rik van Riel [this message]
2026-10-14 20:40 ` Johannes Weiner
2026-10-07 2:12 ` [RFC PATCH 3/5] mm/page_alloc: convert any movable pageblock on a non-movable allocation Rik van Riel
2026-10-14 20:48 ` Johannes Weiner
2026-10-14 20:53 ` Rik van Riel
2026-10-15 8:20 ` Dev Jain
2026-10-15 12:53 ` Rik van Riel
2026-10-07 2:12 ` [RFC PATCH 4/5] mm/page_alloc: skip movable blocks during non-movable steals Rik van Riel
2026-10-07 2:12 ` [RFC PATCH 5/5] mm/page_alloc: claim blocks captured for non-movable use Rik van Riel
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