From owner-freebsd-hackers@FreeBSD.ORG Mon Nov 12 21:48:12 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8872A2B2; Mon, 12 Nov 2012 21:48:12 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 0A0A78FC12; Mon, 12 Nov 2012 21:48:11 +0000 (UTC) Received: from tom.home (localhost [127.0.0.1]) by kib.kiev.ua (8.14.5/8.14.5) with ESMTP id qACLm86W054707; Mon, 12 Nov 2012 23:48:08 +0200 (EET) (envelope-from kostikbel@gmail.com) X-DKIM: OpenDKIM Filter v2.5.2 kib.kiev.ua qACLm86W054707 Received: (from kostik@localhost) by tom.home (8.14.5/8.14.5/Submit) id qACLm8PM054706; Mon, 12 Nov 2012 23:48:08 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 12 Nov 2012 23:48:08 +0200 From: Konstantin Belousov To: Sushanth Rai Subject: Re: Memory reserves or lack thereof Message-ID: <20121112214808.GH73505@kib.kiev.ua> References: <20121112133638.GZ73505@kib.kiev.ua> <1352755682.93266.YahooMailClassic@web181701.mail.ne1.yahoo.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="QkB+3dXt7G8Wz8Uy" Content-Disposition: inline In-Reply-To: <1352755682.93266.YahooMailClassic@web181701.mail.ne1.yahoo.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-Status: No, score=0.2 required=5.0 tests=ALL_TRUSTED, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: alc@freebsd.org, pho@freebsd.org, StevenSears , "freebsd-hackers@freebsd.org" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Nov 2012 21:48:12 -0000 --QkB+3dXt7G8Wz8Uy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Nov 12, 2012 at 01:28:02PM -0800, Sushanth Rai wrote: > This patch still doesn't address the issue of M_NOWAIT calls driving > the memory the all the way down to 2 pages, right ? It would be nice to > have M_NOWAIT just do non-sleep version of M_WAITOK and M_USE_RESERVE > flag to dig deep. This is out of scope of the change. But it is required for any further adjustements. --QkB+3dXt7G8Wz8Uy Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlChbpcACgkQC3+MBN1Mb4ix0QCeM2Cp5w4BZKRLoFCIetw16dZc Wf4AoJAEOnFOgLyNtnCKXgmkUKAgVpYE =yg4x -----END PGP SIGNATURE----- --QkB+3dXt7G8Wz8Uy--