From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261974AbVDKXBP (ORCPT ); Mon, 11 Apr 2005 19:01:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261971AbVDKXAW (ORCPT ); Mon, 11 Apr 2005 19:00:22 -0400 Received: from e34.co.us.ibm.com ([32.97.110.132]:33165 "EHLO e34.co.us.ibm.com") by vger.kernel.org with ESMTP id S261993AbVDKW7j (ORCPT ); Mon, 11 Apr 2005 18:59:39 -0400 Subject: [PATCH 3/3] mm/Kconfig: give DISCONTIG more help text To: akpm@osdl.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, zippel@linux-m68k.org, Dave Hansen From: Dave Hansen Date: Mon, 11 Apr 2005 15:59:36 -0700 Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This gives DISCONTIGMEM a bit more help text to explain what it does, not just when to choose it. Signed-off-by: Dave Hansen --- memhotplug-dave/mm/Kconfig | 10 ++++++++++ 1 files changed, 10 insertions(+) diff -puN mm/Kconfig~A2-mm-Kconfig-DISCONTIG-help-text mm/Kconfig --- memhotplug/mm/Kconfig~A2-mm-Kconfig-DISCONTIG-help-text 2005-04-11 15:49:10.000000000 -0700 +++ memhotplug-dave/mm/Kconfig 2005-04-11 15:49:10.000000000 -0700 @@ -23,6 +23,16 @@ config DISCONTIGMEM_MANUAL bool "Discontigious Memory" depends on ARCH_DISCONTIGMEM_ENABLE help + This option provides enhanced support for discontiguous + memory systems, over FLATMEM. These systems have holes + in their physical address spaces, and this option provides + more efficient handling of these holes. However, the vast + majority of hardware has quite flat address spaces, and + can have degraded performance from extra overhead that + this option imposes. + + Many NUMA configurations will have this as the only option. + If unsure, choose "Flat Memory" over this option. endchoice _