From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 14 Aug 2007 22:34:57 +0200 From: Andi Kleen Subject: Re: [RFC 4/9] Atomic reclaim: Save irq flags in vmscan.c Message-ID: <20070814203457.GB22202@one.firstfloor.org> References: <20070814153021.446917377@sgi.com> <20070814153501.766137366@sgi.com> <1187121951.5337.4.camel@lappy> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1187121951.5337.4.camel@lappy> Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: Christoph Lameter , Andi Kleen , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Ingo Molnar List-ID: > A much simpler approach to this seems to use threaded interrupts like > -rt does. Then the interrupt could potentially stay blocked for very long waiting for process context to finish its work. Also not good. Essentially it would be equivalent to cli/sti for interrupts that need to free memory. -Andi -- 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