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Howlett" , linux-sh@vger.kernel.org, LKML , bpf , linux-mm Subject: Re: [PATCH 2/3] bpf: arena: use page_ref_count() instead of page_mapped() in arena_free_pages() Message-Id: <20260427081547.4cdbb9a5cade734f143902f0@linux-foundation.org> In-Reply-To: References: <20260427-page_mapped-v1-0-e89c3592c74c@kernel.org> <20260427-page_mapped-v1-2-e89c3592c74c@kernel.org> <20260427051758.e1b714a4b567917971920eaa@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 281CE40017 X-Stat-Signature: 4meg8od4c5j4nmpamczcg3fassune3bq X-Rspam-User: X-HE-Tag: 1777302949-894877 X-HE-Meta: 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 d+BAT/bI PNObNb8bxdYuAKP/6YhKBaYqJglb/FO81zN7z/lCF0dupsoTdmabR2eQnl8QzmWbzREJmgiq9HrwGF7Gc2LMDHXiYtH+SzNLo3tjnU/uFluubYZYBy/CIVQSZNiAX0CLjf6HyHu6kA75zS6QlUtVgmOHE67ArakOcK9ciVVaZnXDuLmx493NxQBlE+aOR8phmmjhib5ViwA9tPesv+25vjLeZRAVqAO4i+knp6cJ45/PBOdu+2oJDkXyi7vhJaCV8H/Yyb6qaFlpr2z0zxCGgRenvkXLyydBAI1Ri1Nbl/zrbwsPnd6OASwLpOkrGlnk1MVIiy/WscUbp4/73Ejqv6Q/YTjTp+a/c8mieE/xYUiDIDlBfmBU1UdWFxCajPx8e2dNiaSFy8npfmZMN9nNKI+dN2EBeLg0B6Imt Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 27 Apr 2026 16:00:59 +0100 Alexei Starovoitov wrote: > > > > > > Signed-off-by: David Hildenbrand (Arm) > > > --- > > > kernel/bpf/arena.c | 2 +- > > > > BPF maintainers will probably want to carry this in the BPF tree. > > That's fine - please go ahead and add it. I'll carry a duplicate in > > mm.git so it compiles. > > We cannot carry the same patch in 2 trees. Git is fine with that. > 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, For a single one-line patch?