From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 29 Mar 2004 15:08:00 -0800 From: William Lee Irwin III Subject: Re: [RFC][PATCH 1/3] radix priority search tree - objrmap complexity fix Message-ID: <20040329230800.GT791@holomorphy.com> References: <20040329124027.36335d93.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org Return-Path: To: Hugh Dickins Cc: Andrew Morton , Andrea Arcangeli , vrajesh@umich.edu, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Mon, 29 Mar 2004, Andrew Morton wrote: >> hmm, yes, we have pages which satisfy PageSwapCache(), but which are not >> actually in swapcache. >> >> How about we use the normal pagecache APIs for this? >> >> + add_to_page_cache(page, &swapper_space, entry.val, GFP_NOIO); >>... >> + remove_from_page_cache(page); On Mon, Mar 29, 2004 at 11:24:58PM +0100, Hugh Dickins wrote: > Much nicer, and it'll probably appear to work: but (also untested) > I bet you'll need an additional page_cache_release(page) - damn, > looks like hugetlbfs has found a use for that tiresome asymmetry. > Hugh The good news is that the use isn't particularly essential. -- 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