From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 21 Jan 2005 16:43:53 -0800 From: Andrew Morton Subject: Re: Extend clear_page by an order parameter Message-Id: <20050121164353.6f205fbc.akpm@osdl.org> In-Reply-To: <16881.40893.35593.458777@cargo.ozlabs.ibm.com> References: <20050108135636.6796419a.davem@davemloft.net> <16881.33367.660452.55933@cargo.ozlabs.ibm.com> <16881.40893.35593.458777@cargo.ozlabs.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Paul Mackerras Cc: clameter@sgi.com, davem@davemloft.net, hugh@veritas.com, linux-ia64@vger.kernel.org, torvalds@osdl.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: Paul Mackerras wrote: > > A cluster of 2^n contiguous pages > isn't one page by any normal definition. It is, actually, from the POV of the page allocator. It's a "higher order page" and is controlled by a struct page*, just like a zero-order page... -- 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