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From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	Martin KaFai Lau <martin.lau@linux.dev>,
	Eduard Zingerman <eddyz87@gmail.com>,
	Kumar Kartikeya Dwivedi <memxor@gmail.com>,
	Song Liu <song@kernel.org>,
	Yonghong Song <yonghong.song@linux.dev>,
	Jiri Olsa <jolsa@kernel.org>, Lorenzo Stoakes <ljs@kernel.org>,
	Vlastimil Babka <vbabka@kernel.org>,
	Mike Rapoport <rppt@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Michal Hocko <mhocko@suse.com>, Rik van Riel <riel@surriel.com>,
	Harry Yoo <harry@kernel.org>, Jann Horn <jannh@google.com>,
	Matthew Wilcox <willy@infradead.org>,
	"Liam R. Howlett" <liam@infradead.org>,
	linux-sh@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	bpf <bpf@vger.kernel.org>, linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH 2/3] bpf: arena: use page_ref_count() instead of page_mapped() in arena_free_pages()
Date: Tue, 28 Apr 2026 21:38:01 +0200	[thread overview]
Message-ID: <92d8f449-682b-441a-bb4d-4a2b9299a5a3@kernel.org> (raw)
In-Reply-To: <CAADnVQJp30BhhB6N3-GxtYmMpaMTaYvGcK9R5=8PxWD6qEXJhA@mail.gmail.com>

On 4/28/26 18:58, Alexei Starovoitov wrote:
> On Tue, Apr 28, 2026 at 9:16 AM David Hildenbrand (Arm)
> <david@kernel.org> wrote:
>>
>>>
>>> We cannot carry the same patch in 2 trees.
>>> Sooner or later it will create problems for linux-next
>>> and issues during merge window if more changes
>>> are done in the same area.
>>> The only way to share a patch between trees is to
>>> create a stable branch and pull it into 2 trees
>>> then sha will be the same,
>>
>> As lack of stable trees was raised a couple of times in the past, once we're
>> done with a transition to a fully git-based mm-next workflow [1], we should be
>> able to provide stable trees.
>>
>> [1]
>> https://lore.kernel.org/r/20260421094216.8dfe14a8c62f2420fa5aace1@linux-foundation.org
> 
> Ohh. Thanks for the link. Full git sounds great to me.
> Reading the thread it sounds like you guys want to explore
> your own way of managing the tree.
> If there is interest we can share during lsfmm
> how net and bpf trees are maintained from git pov.

Yes, I was planning on reaching out either way, talking at lsf/mm would be great!

-- 
Cheers,

David

  reply	other threads:[~2026-04-28 19:38 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-27 11:43 [PATCH 0/3] mm: remove page_mapped() David Hildenbrand (Arm)
2026-04-27 11:43 ` [PATCH 1/3] sh: use folio_mapped() instead of page_mapped() in sh4_flush_cache_page() David Hildenbrand (Arm)
2026-04-27 12:43   ` Matthew Wilcox
2026-04-27 11:43 ` [PATCH 2/3] bpf: arena: use page_ref_count() instead of page_mapped() in arena_free_pages() David Hildenbrand (Arm)
2026-04-27 12:17   ` Andrew Morton
2026-04-27 15:00     ` Alexei Starovoitov
2026-04-27 15:15       ` Andrew Morton
2026-04-27 15:27         ` Alexei Starovoitov
2026-04-28  8:16       ` David Hildenbrand (Arm)
2026-04-28 16:58         ` Alexei Starovoitov
2026-04-28 19:38           ` David Hildenbrand (Arm) [this message]
2026-04-28  8:44       ` Vlastimil Babka (SUSE)
2026-04-27 13:00   ` Matthew Wilcox
2026-04-27 11:43 ` [PATCH 3/3] mm: remove page_mapped() David Hildenbrand (Arm)
2026-04-27 13:12   ` Matthew Wilcox
2026-04-27 13:21   ` Andrew Morton
2026-04-27 13:23     ` David Hildenbrand (Arm)
2026-04-27 14:42       ` Breno Leitao
2026-04-27 14:59         ` Matthew Wilcox
2026-04-27 20:59 ` [PATCH 0/3] " David Hildenbrand (Arm)
2026-04-27 21:38   ` Alexei Starovoitov
2026-04-28  5:37     ` David Hildenbrand (Arm)

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