From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rik van Riel Subject: Re: [PATCH 2/3] page allocator: Do not allow interrupts to use ALLOC_HARDER Date: Sat, 31 Oct 2009 18:55:07 -0400 Message-ID: <4AECC04B.9060808@redhat.com> References: <1256650833-15516-1-git-send-email-mel@csn.ul.ie> <1256650833-15516-3-git-send-email-mel@csn.ul.ie> <20091027130924.fa903f5a.akpm@linux-foundation.org> <20091031184054.GB1475@ucw.cz> <20091031201158.GB29536@elf.ucw.cz> <20091031222905.GA32720@elf.ucw.cz> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20091031222905.GA32720@elf.ucw.cz> Sender: owner-linux-mm@kvack.org List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Pavel Machek Cc: David Rientjes , Andrew Morton , Mel Gorman , stable@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Frans Pop , Jiri Kosina , Sven Geggus , Karol Lewandowski , Tobias Oetiker , KOSAKI Motohiro , Pekka Enberg , Christoph Lameter , Stephan von Krawczynski , kernel-testers@vger.kernel.org On 10/31/2009 06:29 PM, Pavel Machek wrote: > Well, you are trying to make rt heuristic more precise. No he's not. He is trying to make it only apply to real time tasks, not to interrupts that happen to interrupt the realtime tasks. > I believe it would be better to simply remove it. You are against trying to give the realtime tasks a best effort advantage at memory allocation? Realtime apps often *have* to allocate memory on the kernel side, because they use network system calls, etc... -- All rights reversed. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org