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[173.79.60.52]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-536128418b2sm1108391cf.30.2026.10.14.09.35.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 09:35:31 -0700 (PDT) Date: Wed, 14 Oct 2026 12:35:30 -0400 From: Gregory Price To: Pedro Falcato Cc: "Lorenzo Stoakes (ARM)" , Andrew Morton , "Liam R. Howlett" , David Hildenbrand , Vlastimil Babka , Jann Horn , Minchan Kim , Michal Hocko , Johannes Weiner , linux-mm@kvack.org, stable@vger.kernel.org, Samarth Narang Subject: Re: [PATCH] mm/madvise: atomically clear the young bit on THP MADV_COLD Message-ID: References: <20261013191719.95502-1-pfalcato@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 2312F100003 X-Rspam-User: X-Stat-Signature: h5zfdy8fckspzuat55ygqkwkdrbqci5g X-HE-Tag: 1791995733-198333 X-HE-Meta: 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 EFVqb4tp tXGr7idkeGYbqQWQbk4wbaSLHM1AHDK1W8QKqvd11goyoexiBc2kFuLb/AXtEOUn5eU1S7mf+T35i60SEkbMF2eUgaiFPxS84rVqvwdEwd/2vuZ8/qfYZ1jlii1ceo8xsjkmgT10KRJPjrKE/ANB2dUNWTyfQYUy0IEeTXd1p4zRp/5f4Piv0CpGXe1CFHgh0rjALMW8ImPT7g77Ar8ytN7gU9oZOak8iTT2vZM4MZorZ+lE4eA3onEM1ISjZy0CVzXeAAPBf+P7jsTBZ/lMXR0nLTEWrS13ItkZk1bsqYdAaEDuKFSMQM4i23vwk/qIR2+O8cvW2arRWtiJbhS606UcszsGxr0MkQwKYeDKiNBJ/SIPSe5bVftn6r2KtidzZjYn/ehkL9X+MqlyNJ/HsjpwF41q/q3gCEMsYEqRCdH5SalZgC57YsiksGeSUcKyZiOIJz2LOvN5JsR4= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Oct 14, 2026 at 04:52:59PM +0100, Pedro Falcato wrote: > On Wed, Oct 14, 2026 at 04:37:59PM +0100, Lorenzo Stoakes (ARM) wrote: > > +cc Gregory > > > > On Tue, Oct 13, 2026 at 08:17:19PM +0100, Pedro Falcato wrote: > > > As-is, madvise_cold_or_pageout_pte_range() discards the hardware young > > > > The function from hell... Gregory - PLEASE FIX THIS SOON :)) > > :)) > Sending up selftests and reworks shortly.