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t=1789140936; bh=8htBhrrS7QJa0BzCT1gDdtND0CWm0Fsl2BMBtjFjmjM=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=G8vhHNr8GtxwAZiagsKXcAhnsR/45HrxtPYuUh/1TqNcr6fNSt6bmUiL910FhgmCo yxWZWx6B8z3+Oo1cFZ2293FRzkaEms49uD1pDZVNta8+wj7YlHcPCPCcEtwWpCyV6D TYtp/uEorhAmvL5kwQZK8VnHGFYW2lpQOseEbEvvSHO5YiAWHF9P5SwL+ahVr1atu0 HDJ489c9eh7svfdUWlwWIJXS/hj/qO0oBIwSlH3rGmaRjrWbIjvROVGjAvXoRLjvdQ Vr+Dpl3OirERuF0oRgKNXBZGtL+rK43A0hcJ2TzRu0Jc2ELJARzce2uj4pC68TTHYj 0tJOg2moMTOsg== Message-ID: <20de0829-1d74-44d4-a7cd-9c3e99d3caba@kernel.org> Date: Fri, 11 Sep 2026 17:35:29 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 5/7] proc/task_mmu: change proc_get_vma() to stop returning gate VMA at the end To: Suren Baghdasaryan , akpm@linux-foundation.org Cc: liam@infradead.org, ljs@kernel.org, vbabka@kernel.org, willy@infradead.org, jannh@google.com, paulmck@kernel.org, pfalcato@suse.de, xueyuan.chen21@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org References: <20260910234737.1340642-1-surenb@google.com> <20260910234737.1340642-6-surenb@google.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 08F13100002 X-Rspam-User: X-Stat-Signature: mq4iqty8s7h77c1hx86zaqnww86e5zp8 X-HE-Tag: 1789140936-837721 X-HE-Meta: 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 ntZXarZH FJEx/h/VcBMVHlB+8FlQFDirBfCYgYHh/hQgcc82nlBNYv85mRJ6Ebk8cJetHM0200YRCWy5ygAxcbjW/Rxvjd7yWtfkZ5y4fIShouIsPUK29aiUswumNoYXXDog2rqP+lmmaR9yGD4iau6QjfT4CP/Z2j7XPbBq6ZUy9aI5Etr34rgWRDcMmZbbWYgagKBKAEun6F23BkEvtax94V9TGVJoFouqtTJhHKBuBvryHi2/2OnIKuGgSeLMuT7ZMN2g3FXm7ru0T7viA3ynAUCZS/YrgnaJbLP+e5iUNUNMqInNpikzzDRlh0uwQyrK2W8yEDz447ybwMxyWwrFKGQ2oRlytYWBVv2Vw/k/PbC2MvG5L8ojdbqAmBn9wmEQq9BByfsdXO1+rc9teo+at9zVSzcbHmkJ+iBtBTAyshiUBc70GrUE= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 9/11/26 01:47, Suren Baghdasaryan wrote: > proc_get_vma() returning gate VMA at the end is desirable for the its > current m_start/m_next callers, as they need to report a gate VMA at the > end of the address space. This behavior is very specific to these callers > and makes proc_get_vma() hard to use for other purposes. > > Move this usage-specific behavior into the callers themselves so that > proc_get_vma() returns either a valid VMA, an error or a NULL when no > more VMAs are available. This makes it more generic, simpler and usable > in the later patches. > > Signed-off-by: Suren Baghdasaryan > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David