From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4EA9714A0AB; Mon, 30 Sep 2024 07:23:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.255.230.98 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727681039; cv=none; b=aaoe/jgTRcmAMCw49AR/dKcXU/8r2uUx0xrVWK+l81IrfiTpeyTwGdU0XlX+30K3/EI0DQYWs+XEeMWyb5D8P+BWugyx9ZAohxOOkh0iXtGgURr+WLN6W/nt11PhexdBe1RDHfT18flUBjERo74Yo/HDnj4U+ukBt4jQw8vEMLI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727681039; c=relaxed/simple; bh=TB+lAUntaUaqbb0cnwsq5yTV7KiTDQl3nqbvmuCkaSY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=f3D2aTuUpFOgMt+SmHd7GSRlSy7SPLafxBmPZiqChw8gMX5B6FK1kW6LhSLuwuXvcY6egOXmmH0kQaI+mlU0M8rXJ8tsVedHjP5IQ1K6aJL7qQvqCJldzY9ksbRkdbrcqINiHfnbbTfiJOLYlFgqUGnSKA7KQtj/r7bEzKpiQqA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz; spf=pass smtp.mailfrom=ucw.cz; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b=aGrxWo51; arc=none smtp.client-ip=46.255.230.98 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ucw.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b="aGrxWo51" Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id AA2F11C009E; Mon, 30 Sep 2024 09:23:47 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1727681027; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hDMeTQHukrC1IMq/Dz0vfZpF3Fws59G6fh/19WKGSek=; b=aGrxWo51Giacs+I/9mGxdpHn5O+j0lzEj2rJ/XD5qT88MvNucWlsarIgij+At/L5gU5gPh fnGkkvOMhNjq5seH6/1VA1QjuCycNVjnPOlh6iBeeJYpARK8mWPF2/RZmwTyio+eo0ZUZw rA1HftgEXqOL32EgoJ2OkDgMlyp7b1c= Date: Mon, 30 Sep 2024 09:23:47 +0200 From: Pavel Machek To: Lorenzo Stoakes Cc: Andrew Morton , Suren Baghdasaryan , "Liam R . Howlett" , Matthew Wilcox , Vlastimil Babka , "Paul E . McKenney" , Jann Horn , David Hildenbrand , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Muchun Song , Richard Henderson , Ivan Kokshaysky , Matt Turner , Thomas Bogendoerfer , "James E . J . Bottomley" , Helge Deller , Chris Zankel , Max Filippov , Arnd Bergmann , linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-arch@vger.kernel.org, Shuah Khan , Christian Brauner , linux-kselftest@vger.kernel.org, Sidhartha Kumar , Vlastimil Babka Subject: Re: [RFC PATCH 0/4] implement lightweight guard pages Message-ID: References: Precedence: bulk X-Mailing-List: linux-alpha@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="W0cxVuCFjuLpnb26" Content-Disposition: inline In-Reply-To: --W0cxVuCFjuLpnb26 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > Userland library functions such as allocators and threading implementatio= ns > often require regions of memory to act as 'guard pages' - mappings which, > when accessed, result in a fatal signal being sent to the accessing > process. =2E.. > Suggested-by: Vlastimil Babka suse.cz, I believe. (They may prefer suse.com address). BR, Pavel --=20 People of Russia, stop Putin before his war on Ukraine escalates. --W0cxVuCFjuLpnb26 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCZvpSAwAKCRAw5/Bqldv6 8hAuAJ92TjqtQXkEDCopy+H3+ERGTckKJgCfZ6IwGhZZzzVTDKuv9wjxbwBtzgE= =UXT7 -----END PGP SIGNATURE----- --W0cxVuCFjuLpnb26--