Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753356Ab0KBO3h (ORCPT ); Tue, 2 Nov 2010 10:29:37 -0400 Received: from mail-pv0-f174.google.com ([74.125.83.174]:40238 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751713Ab0KBO3c (ORCPT ); Tue, 2 Nov 2010 10:29:32 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=sjpYw9wkWpVvgFIYfGRcKFG0zzkwU7D7Uz7R2RZtxm+PzwpY6VV3JjtiVVFPdU+sr1 6MGXDKdva8RwESWA6r3k7arYLFS/tKaiVe4boc1RiXCC++oE97H9WWkrxtyMM4oEHOYc +WehBgR/cAS/adSUL2lD0xdlsT3cOxP1ga0lI= Subject: Re: [PATCH]oom-kill: direct hardware access processes should get bonus From: "Figo.zhang" To: David Rientjes Cc: lkml , "linux-mm@kvack.org" , Andrew Morton In-Reply-To: References: <1288662213.10103.2.camel@localhost.localdomain> Content-Type: text/plain; charset="UTF-8" Date: Tue, 02 Nov 2010 22:24:54 +0800 Message-ID: <1288707894.19865.1.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.32.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 756 Lines: 26 > > Which applications are you referring to that cannot gracefully exit if > killed? like Xorg server, if xorg server be killed, the gnome desktop will be crashed. > > CAP_SYS_RAWIO had a much more dramatic impact in the previous heuristic to > such a point that it would often allow memory hogging tasks to elude the > oom killer at the expense of innocent tasks. I'm not sure this is the > best way to go. is it some experiments for demonstration the CAP_SYS_RAWIO will elude the oom killer? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/