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X-CSE-ConnectionGUID: 4VU4l5WOQ924egdotZP5Kw== X-CSE-MsgGUID: CO60UFXgSI2vGZMg9srmKQ== X-IronPort-AV: E=McAfee;i="6800,10657,11699"; a="75944813" X-IronPort-AV: E=Sophos;i="6.21,287,1763452800"; d="scan'208";a="75944813" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Feb 2026 09:58:40 -0800 X-CSE-ConnectionGUID: zlg0fuHlTWOAJGxgt4BuRw== X-CSE-MsgGUID: fcsycVijST2k8+6BxLyHrw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,287,1763452800"; d="scan'208";a="216836119" Received: from tassilo.jf.intel.com (HELO tassilo) ([10.54.38.190]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Feb 2026 09:58:38 -0800 Date: Thu, 12 Feb 2026 09:58:36 -0800 From: Andi Kleen To: "David Hildenbrand (Arm)" Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, akpm@linux-foundation.org, willy@infradead.org Subject: Re: [PATCH] smaps: Report correct page sizes with THP Message-ID: References: <20260209201731.231667-1-ak@linux.intel.com> <94a21bda-5677-4949-a1df-3f0d90348021@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <94a21bda-5677-4949-a1df-3f0d90348021@kernel.org> X-Rspam-User: X-Rspamd-Queue-Id: 129D62000E X-Rspamd-Server: rspam07 X-Stat-Signature: quucx8s4zkr13dc4gtf7hyzb4cum9fo8 X-HE-Tag: 1770919126-127753 X-HE-Meta: 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 x+kSONjw OQwJLoV4jqwXH+fVdbpagbHhjuudJE0SAdRReNnxNv8TlMmzy0muYeyjBXtEv5GG2d+rSTELEJdfiOcrAiW72gQitOTEzptSyIDSxIZuAOUsefmM7oGcocUCcU9IamQyijAZGs34FRClGS8+mAkUVGJWwHSJZThVZWSx1Zor9sCB7HudGrd3gN8QkrzcZnq9kX1V9 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > We have AnonHugePages:, ShmemPmdMapped: and FilePmdMapped: that tell you > exactly what you want to know. .... if you know about it. I personally wasted a lot of time on it because we trusted a lie. > > Especially the mixed thing is just nasty. > > Once we go into cont-pte territory (or automatic pte coalescing by hardware) > it all gets confusing. In this case it can be extended to more. > > Sorry, NAK. Okay then just remove the page size if it's fictional outside hugetlb anyways? I can send that patch too, but it would seem inferior. -Andi