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Mon, 28 Apr 2025 09:24:27 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEbtfAYJXqWijuqC9qE1XAYSFE+Ms0Ul7NtVdmGjB5I/RjjP9FCiSLL88Eit0raUnSdKc6qiA== X-Received: by 2002:ac8:5885:0:b0:476:8ee8:d8a1 with SMTP id d75a77b69052e-48025238433mr189998431cf.45.1745857466831; Mon, 28 Apr 2025 09:24:26 -0700 (PDT) Received: from x1.local ([85.131.185.92]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-47e9eaf264dsm70223561cf.10.2025.04.28.09.24.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Apr 2025 09:24:26 -0700 (PDT) Date: Mon, 28 Apr 2025 12:24:22 -0400 From: Peter Xu To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-trace-kernel@vger.kernel.org, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Andrew Morton , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , "Liam R. Howlett" , Lorenzo Stoakes , Vlastimil Babka , Jann Horn , Pedro Falcato Subject: Re: [PATCH v1 05/11] mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() Message-ID: References: <20250425081715.1341199-1-david@redhat.com> <20250425081715.1341199-6-david@redhat.com> <7a26e29c-d889-450a-a5e1-ce671f09e4c8@redhat.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <7a26e29c-d889-450a-a5e1-ce671f09e4c8@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: G1m-EM6RHr2N1vjvTWwzBlT328bE67SIMaYdygSUZBE_1745857467 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline On Mon, Apr 28, 2025 at 06:16:21PM +0200, David Hildenbrand wrote: > > Probably due to what config you have. E.g., when I'm looking mine it's > > much bigger and already consuming 256B, but it's because I enabled more > > things (userfaultfd, lockdep, etc.). > > Note that I enabled everything that you would expect on a production system > (incld. userfaultfd, mempolicy, per-vma locks), so I didn't enable lockep. I still doubt whether you at least enabled userfaultfd, e.g., your previous paste has: struct vm_userfaultfd_ctx vm_userfaultfd_ctx; /* 176 0 */ Not something that matters.. but just in case you didn't use the expected config file you wanted to use.. -- Peter Xu