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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-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <7a26e29c-d889-450a-a5e1-ce671f09e4c8@redhat.com> 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