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[185.107.15.52]) by smtp.gmail.com with ESMTPSA id cx26-20020a05640222ba00b0048ec121a52fsm540827edb.46.2023.01.06.06.10.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Jan 2023 06:10:46 -0800 (PST) From: Jesper Dangaard Brouer X-Google-Original-From: Jesper Dangaard Brouer Message-ID: <248e66ab-fed5-690b-e9e6-bbc0ff07e5e6@redhat.com> Date: Fri, 6 Jan 2023 15:10:45 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Cc: brouer@redhat.com, netdev@vger.kernel.org, linux-mm@kvack.org, Shakeel Butt Subject: Re: [PATCH v2 06/24] page_pool: Convert page_pool_return_page() to page_pool_return_netmem() To: "Matthew Wilcox (Oracle)" , Jesper Dangaard Brouer , Ilias Apalodimas References: <20230105214631.3939268-1-willy@infradead.org> <20230105214631.3939268-7-willy@infradead.org> In-Reply-To: <20230105214631.3939268-7-willy@infradead.org> 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-Rspamd-Queue-Id: 1AB841C0011 X-Rspamd-Server: rspam09 X-Rspam-User: X-Stat-Signature: unqboa6jwdq8f7czdgcdmhzfje1gr6md X-HE-Tag: 1673014249-585328 X-HE-Meta: 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 VOTlHQGQ YhZdV+wYWu7qfXph2dN/5ShwoaizJSTSpNsCM71AvtHQsFy9dRxshGsQ+lDhD4s+0w3N1vhg5m7NmnDFihbB+kaqY7AdKgFIBz+3JZ2tj4novL0CcxdR002sSMS/IsrMCPvtJYOk7damZgQG0cBJC96JUVQ== 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 05/01/2023 22.46, Matthew Wilcox (Oracle) wrote: > Removes a call to compound_head(), saving 464 bytes of kernel text > as page_pool_return_page() is inlined seven times. Nice save for I-cache :-) > Signed-off-by: Matthew Wilcox (Oracle) > --- > net/core/page_pool.c | 14 ++++++++++---- > 1 file changed, 10 insertions(+), 4 deletions(-) Acked-by: Jesper Dangaard Brouer