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[91.12.105.78]) by smtp.gmail.com with ESMTPSA id g1sm8149250wmk.2.2021.10.14.00.35.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 14 Oct 2021 00:35:53 -0700 (PDT) Message-ID: <37a4b381-6204-6c38-f37c-eb078d768f42@redhat.com> Date: Thu, 14 Oct 2021 09:35:52 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 Subject: Re: [PATCH 00/11] PageSlab: eliminate unnecessary compound_head() calls To: Johannes Weiner , Matthew Wilcox Cc: linux-mm@kvack.org, Kent Overstreet , "Kirill A. Shutemov" , Vlastimil Babka , Michal Hocko , Roman Gushchin , linux-kernel@vger.kernel.org, kernel-team@fb.com References: <20211012180148.1669685-1-hannes@cmpxchg.org> From: David Hildenbrand Organization: Red Hat In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=hTetlGdE; dmarc=pass (policy=none) header.from=redhat.com; spf=none (imf14.hostedemail.com: domain of david@redhat.com has no SPF policy when checking 216.205.24.124) smtp.mailfrom=david@redhat.com X-Stat-Signature: xntqy43ejwzkecswbyd3f4sz4js1dwp8 X-Rspamd-Queue-Id: 134B96001980 X-Rspamd-Server: rspam01 X-HE-Tag: 1634196956-353317 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: > It's good to have common north stars to set the direction of where to > place efforts ("small struct page, dynamically allocated descriptors > etc.") but I don't think it makes sense to take on yet more tech debt > in this area for a future that may not pan out the way we think now. > That precisely sums up my thoughts, thanks Johannes. -- Thanks, David / dhildenb