From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 13 May 2003 16:26:59 -0700 From: William Lee Irwin III Subject: Re: [RFC][PATCH] Interface to invalidate regions of mmaps Message-ID: <20030513232659.GC8978@holomorphy.com> References: <20030513133636.C2929@us.ibm.com> <20030513152141.5ab69f07.akpm@digeo.com> <3EC17BA3.7060403@zabbo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3EC17BA3.7060403@zabbo.net> Sender: owner-linux-mm@kvack.org Return-Path: To: Zach Brown Cc: Andrew Morton , paulmck@us.ibm.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mjbligh@us.ibm.com List-ID: On Tue, May 13, 2003 at 04:11:31PM -0700, Zach Brown wrote: > but on the other hand, this doesn't solve another problem we have with > opportunistic lock extents and sparse page cache populations. Ideally > we'd like a FS specific pointer in struct page so we can associate pages > in the cache with a lock, but I can't imagine suggesting such a thing > within earshot of wli. so we'd still have to track the dirty offsets to > avoid having to pass through offsets 0 ... i_size only to find that one > page in the 8T file that was cached. Nah, don't worry about sizeof(struct page) anymore; I'll just jack up PAGE_SIZE to compensate. -- wli -- 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: aart@kvack.org