From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 22 Mar 2000 22:48:18 +0000 From: "Stephen C. Tweedie" Subject: Re: madvise (MADV_FREE) Message-ID: <20000322224818.J2850@redhat.com> References: <20000322190532.A7212@pcep-jamie.cern.ch> <20000322223351.G2850@redhat.com> <20000322234531.C31795@pcep-jamie.cern.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20000322234531.C31795@pcep-jamie.cern.ch>; from jamie.lokier@cern.ch on Wed, Mar 22, 2000 at 11:45:31PM +0100 Sender: owner-linux-mm@kvack.org Return-Path: To: Jamie Lokier Cc: Chuck Lever , linux-mm@kvack.org, "Stephen C. Tweedie" List-ID: Hi, On Wed, Mar 22, 2000 at 11:45:31PM +0100, Jamie Lokier wrote: > > Doesn't this also result in a swap-cache leak, or are orphan swap-cache > pages reclaimed eventually? The shrink_mmap() page cache reclaimer is able to pick up any orphaned swap cache pages. > And it's even cheaper to do MADV_FREE so you skip demand-zeroing if > memory pressure doesn't require that. Right. --Stephen -- 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.eu.org/Linux-MM/