From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [PATCH *] rmap VM, version 12 From: Robert Love In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: 23 Jan 2002 14:15:04 -0500 Message-Id: <1011813305.28682.14.camel@phantasy> Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org Return-Path: To: Rik van Riel Cc: "David S. Miller" , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Wed, 2002-01-23 at 13:57, Rik van Riel wrote: > Actually, this is just using the pte_free_fast() and > {get,free}_pgd_fast() functions on non-pae machines. > > I think this should be safe, unless there is a way > we could pagefault from inside interrupts (but I don't > think we do that). > > OTOH, the -preempt people will want to add preemption > protection from the fiddling with the local pte freelist ;) If you are using the stock mechanisms in include/asm/pgalloc.h they are already made preempt-safe by the patch. ;) Robert Love -- 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/