From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794481610; b=k+y0U94yDwqFtTN5NtdYB8heHqzeY13oyHdKyY/cXpnzQ/5NfOS0BIgCGFKSVnhab40H 6u+YdSs9L/1bCL2pvi9LzYq7e5iM0hgJFRKnDKpBU0ht6RDxFODI3feQHcgljk+cUNKlN if1AAVKaYETSUReRJ3gK0e98z+/Zt+pku+eKWiZAVJaEN9rdFYHaAd9/OGqRvnuL9AtLG 1sPZWh/fWURxJnpruHGBASAxm+GzrLrHfL8iu6ENFB5xNVnaIwlkXvwF8kW4ctmBWCnJC uGAAKjWDW9bSnfh5Jm5b5WeSiNBM2LU/gP6A+FThyJJYJhqAedSP1NKCFetV/xYGx/Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794481610; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=vSq1qT4UA/SFFJR/GJu5ROIhm9ZxkHbbkGrHiDg+96o=; b=IO5P5OD5xQJZhtFM+ZW01ToFGe3IMRHsnmXSSPOJ+PDlQPU1OKPA3fUdnl6j21Yx5f8V CIZtZ+DXgzGgo30V+hFtNjCzxdrbTg/KUgMi+iiZtCqP6EMLhPkoYpSx/GGzxRWvFlqZh iJ+eUdy3W0W5TmBNvzWn3xR0Y7zUsyKwwNX8IjNsEMfgfKfaX3CH6HngpEpEa1zXyHrFr Bcli+mq7fVzYMuc89u1JMoHzAzeN7gI8wQNR3WeTW7arnC9//8k30i93vsERRlRb2XDJ1 tvyHPqkKcE5A8b4pNYe7ZLVfdIe8yOL2fHAJk7y7iGxPlct8gTvu6FFGXOtADoS4OfA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CgL6tMTt; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 86CBB606A321; Thu, 12 Nov 2026 11:06:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CgL6tMTt Received: by smtp.kernel.org (Postfix) with ESMTPSA id 007A81F00A05; Thu, 12 Nov 2026 11:06:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794481610; bh=vSq1qT4UA/SFFJR/GJu5ROIhm9ZxkHbbkGrHiDg+96o=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=CgL6tMTtg/S8q8yyQ/zzYtg9kJGnRqNf4TdTF0m8ZeWqRXWL2/Oi+iirLh3VdN7KX /0rI4Xhikgv+80DYB8hHzH+HE7Xd9l/cKADhJoww7yeq2yT0f8VkH7WvzEaS01VtF0 0/yy+UxDZIbqt1F516bbUZckJ69oh7MkXOYItH/jk6t+E+yJ3BOZlGS0lSAubIMpYk YpVBtER2Ihm5gyMIDsO72fULol91zd9fILGJjGhutuKzecoleh+Rg2ePnBFDYcI6OQ aDRCDVlVxM9EnkeradPkM0L/mqk6J/1bSht5CcFMsbZPb3GgmQ4bFfavYVN9z5mRQM eixxs/EhIbtRQ== Date: Thu, 12 Nov 2026 11:06:38 +0000 From: "Lorenzo Stoakes (ARM)" To: Tal Zussman Cc: Andrew Morton , Mike Rapoport , Peter Xu , James Houghton , Andrea Arcangeli , Suren Baghdasaryan , Balbir Singh , "Liam R. Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Andrei Vagin , Stephen Rothwell , Arnd Bergmann , Muhammad Usama Anjum , David Hildenbrand , Zi Yan , Matthew Brost , Joshua Hahn , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Kiryl Shutsemau , Chris Down , Muchun Song , Oscar Salvador , =?utf-8?Q?Miko=C5=82aj?= Lenczewski , Michal Hocko , Mike Kravetz , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 11/12] mm/madvise: send UFFD_EVENT_REMOVE when installing guard regions Message-ID: References: <20261111-uffd-state-fixes-v1-0-00713d368976@columbia.edu> <20261111-uffd-state-fixes-v1-11-00713d368976@columbia.edu> X-Mailing-List: linux-kernel@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 Thu, Nov 12, 2026 at 11:03:29AM +0000, Lorenzo Stoakes (ARM) wrote: > > Fixes: 662df3e5c376 ("mm: madvise: implement lightweight guard page mechanism") > > Closes: https://lore.kernel.org/linux-mm/3f4b0d1b.bbf84.1a1c55cb666.Coremail.18670333770@163.com/ > > This report was super-synthetic AI slop > Oops, let me finish this thought... it was super-synthetic AI slop to the point that I am not sure it's even worth referencing. -- Cheers, Lorenzo