From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 18 Aug 2008 16:29:34 -0700 From: Andrew Morton Subject: Re: [patch] mm: page allocator minor speedup Message-Id: <20080818162934.aba8793e.akpm@linux-foundation.org> In-Reply-To: <20080818122957.GE9062@wotan.suse.de> References: <20080818122428.GA9062@wotan.suse.de> <20080818122957.GE9062@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: linux-mm@kvack.org, hugh@veritas.com List-ID: On Mon, 18 Aug 2008 14:29:57 +0200 Nick Piggin wrote: > Now that we don't put a ZERO_PAGE in the pagetables any more, and the > "remove PageReserved from core mm" patch has had a long time to mature, > let's remove the page reserved logic from the allocator. > > This saves several branches and about 100 bytes in some important paths. This of course made a big mess against the page reclaim rewrite. I think I fixed it up. I could have merged it ahead, but then that would have made a big mess of the page reclaim rewrite. Testing and reviewing the page reclaim rewrite would be a useful place to spend time.. -- 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