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[109.81.92.28]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43d1e1fe0b0sm68655798f8f.0.2026.04.09.05.02.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Apr 2026 05:02:52 -0700 (PDT) Date: Thu, 9 Apr 2026 14:02:51 +0200 From: Michal Hocko To: "David Hildenbrand (Arm)" Cc: "Salunke, Hrushikesh" , Andrew Morton , "Vlastimil Babka (SUSE)" , surenb@google.com, jackmanb@google.com, hannes@cmpxchg.org, ziy@nvidia.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, rkodsara@amd.com, bharata@amd.com, ankur.a.arora@oracle.com, shivankg@amd.com Subject: Re: [PATCH] mm/page_alloc: use batch page clearing in kernel_init_pages() Message-ID: References: <20260408092441.435133-1-hsalunke@amd.com> <22b6ff3c-9d41-4eb0-9beb-cb92f3ada89f@kernel.org> <4e8c218b-ac5e-4674-9e1e-acf750f0a5c8@amd.com> <20260408083229.45d1a083f17484d3b2678855@linux-foundation.org> <4dd26573-85cc-446a-b2b7-2aeab8aa2417@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4dd26573-85cc-446a-b2b7-2aeab8aa2417@kernel.org> On Thu 09-04-26 11:00:33, David Hildenbrand wrote: [...] > I mean, it would already happen today, because there is no > cond_resched(). So nothing to worry about I guess. Please also note that with moving away from PREEMPT_NONE/VOLUNTARY there is no future for cond_resched anymore. We should be starting looking into reducing[*] them rather than adding more. --- [*] not all architectures are PREEMPT_LAZY compatible as of now so dropping cond_resched will need to be done carefully. -- Michal Hocko SUSE Labs