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Wed, 28 Oct 2026 10:21:25 -0700 (PDT) Received: from localhost ([2605:8600:200:14e3:365a:60ff:fe62:ff29]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-67a7a0c31cfsm2144554d50.9.2026.10.28.10.21.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Oct 2026 10:21:25 -0700 (PDT) Date: Wed, 28 Oct 2026 13:21:24 -0400 From: Johannes Weiner To: Salvatore Dipietro Cc: abuehaze@amazon.com, akpm@linux-foundation.org, alisaidi@amazon.com, blakgeof@amazon.com, brauner@kernel.org, brendan.jackman@linux.dev, david@redhat.com, dgc@kernel.org, dipietro.salvatore@gmail.com, djwong@kernel.org, hch@infradead.org, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-xfs@vger.kernel.org, matt@readmodwrite.com, mhocko@suse.com, ritesh.list@gmail.com, rvvandan@amazon.com, stable@vger.kernel.org, surenb@google.com, vbabka@kernel.org, willy@infradead.org, ziy@nvidia.com Subject: Re: [PATCH 1/2] mm: page_alloc: do not give all non-blocking requests reserve access Message-ID: References: <20261027150002.318916-1-dipiets@amazon.it> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Oct 28, 2026 at 11:19:08AM -0400, Johannes Weiner wrote: > On Tue, Oct 27, 2026 at 03:00:02PM +0000, Salvatore Dipietro wrote: > > > > Hi Johannes, > > > > Vlastimil asked that v6 of my page_alloc patch [1] not go to mainline > > before these two patches land, so Andrew parked v6 at the tail of > > mm-unstable and dropped its Cc: stable until then. > > > > Are you still planning to work on 1/2 and 2/2, and if so, do you have > > a rough ETA? Or would you rather post them as a separate series as > > they are? If anything is needed on my side to move them forward, I'm > > happy to help. > > > > For what it's worth, I ran both stacked under v6 on v7.3-rc1 and saw > > no performance difference on my benchmark with or without them. > > > > [1] https://lore.kernel.org/linux-mm/20261001082152.2879289-1-dipiets@amazon.it/ > > I'll work on this today, will have patches before EOD. Sorry for > dropping this. https://lore.kernel.org/all/20261028171719.2043421-1-hannes@cmpxchg.org/