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Message-ID: <20240630211142.kZAs9f0p@linutronix.de> References: <20240621102750.oH9p1FQq@linutronix.de> <20240628094944.QwcHkf8J@linutronix.de> <20240628195553.G48MpeQ6@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 706AB180014 X-Stat-Signature: ifjmeuaimyces4amzym9jomngj45exmq X-Rspam-User: X-HE-Tag: 1719781906-828528 X-HE-Meta: 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 JsVqd8ng FyYl0HrKYyfFAEVD2LY2WtM4kusDexQrU2T+qshSJWsxIA5X5r1hkHwaRELqiyT0+lTpd7r3NdHHoApv8kkzftnfgMSe2PU42xoN65hYF2TNAW0436TUmqFvJEWMT93JUN+rGdhzOd1YvhlYABUTdYLneRbioVd4q1kWkvtkBkVLhosEPrKg1SiEKlA== 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: List-Subscribe: List-Unsubscribe: On 2024-06-28 16:20:27 [-0400], Kent Overstreet wrote: > > Kent, you said you didn't want it where it currently is. Fine. You said > > you want it at the front next to `flags'. This isn't going to work since > > there is no space left. You didn't make another suggestion or say how to > > make room. > > It doesn't need to be on the exact same cacheline, just as near as you > can get it. the first possible thing would be somewhere after the scheduler. However, what difference does it make if it s two cache lines later or more? I don't understand the requirement "closer". Sebastian