From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Piggin Subject: Re: [rfc] lockless get_user_pages for dio (and more) Date: Mon, 15 Oct 2007 14:15:55 +1000 References: <20071008225234.GC27824@linux-os.sc.intel.com> <200710141101.02649.nickpiggin@yahoo.com.au> <20071014181929.GA19902@linux-os.sc.intel.com> In-Reply-To: <20071014181929.GA19902@linux-os.sc.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710151415.55332.nickpiggin@yahoo.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: "Siddha, Suresh B" Cc: Ken Chen , Badari Pulavarty , linux-mm , tony.luck@intel.com List-ID: On Monday 15 October 2007 04:19, Siddha, Suresh B wrote: > On Sun, Oct 14, 2007 at 11:01:02AM +1000, Nick Piggin wrote: > > On Sunday 14 October 2007 09:27, Nick Piggin wrote: > > > On Saturday 13 October 2007 06:34, Siddha, Suresh B wrote: > > > > sounds like two birds in one shot, I think. > > > > > > OK, I'll flesh it out a bit more and see if I can actually get > > > something working (and working with hugepages too). > > > > This is just a really quick hack, untested ATM, but one that > > has at least a chance of working (on x86). > > When we fall back to slow mode, we should decrement the ref counts > on the pages we got so far in the fast mode. Oops, you're right of course! -- 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