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[2003:cb:c707:9d00:9303:90ce:6dcb:2bc9]) by smtp.gmail.com with ESMTPSA id j13-20020a5d604d000000b002bddd75a83fsm2053264wrt.8.2023.01.24.06.28.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Jan 2023 06:28:48 -0800 (PST) Message-ID: Date: Tue, 24 Jan 2023 15:28:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH v8 03/10] mm: Provide a helper to drop a pin/ref on a page To: David Howells , Al Viro , Christoph Hellwig Cc: Matthew Wilcox , Jens Axboe , Jan Kara , Jeff Layton , Logan Gunthorpe , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Christoph Hellwig , linux-mm@kvack.org References: <20230123173007.325544-1-dhowells@redhat.com> <20230123173007.325544-4-dhowells@redhat.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230123173007.325544-4-dhowells@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 3EEE040005 X-Stat-Signature: eg533ojboeyktzhqaoogoarka7tr9fjm X-HE-Tag: 1674570532-449864 X-HE-Meta: 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 EZSBXC2V dH+/3srZCTy+1LDnBYyDH8hYAL8QcYPSeHjaRClY4hOdL4wP14Wiq9GKW/ZELEgMrsB/SxH34L3snhs7bMVOqrSV0P6dX1tosyDnwjTz9g/iQjejEgzqPxstxoOF2YhtbBQTu/zid/ZKT/g+VuIuLZ2A+szEL6nWuIt/puDwjczxGvzp0GR89Pz/1pwk7q1Ou5UvnYyoYVHPvaq5XWyqpfL/2/BA1ufQh+woC9+43E2tlXQk1Ihx4gkQXPXCaRNLGPOI9jsam7tl9EJjNvJGbFJrS59/4m6jXb9Y7XqBIRTeBj3qqXdQimoT2gzJO7zW5gpnGWXmpcRbHK5eUbYk/aEDOAKNWKXMADa5tkvuWvaU30bqdMd/020/6mzpbAZgmifrQbaPEtL8EmLnIl+tfPXvt72VEPOFD1BqRXikqQGYsqoOWqJcshhpbub+aMvzSuTDff3MwsO0pns4Z8G2NLwW4nQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 23.01.23 18:30, David Howells wrote: > Provide a helper in the get_user_pages code to drop a pin or a ref on a > page based on being given FOLL_GET or FOLL_PIN in its flags argument or do > nothing if neither is set. Does the FOLL_GET part still apply to this patch set? -- Thanks, David / dhildenb