From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e32.co.us.ibm.com (8.12.10/8.12.9) with ESMTP id j3BMxc5j171534 for ; Mon, 11 Apr 2005 18:59:38 -0400 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay04.boulder.ibm.com (8.12.10/NCO/VER6.6) with ESMTP id j3BMxc6O226434 for ; Mon, 11 Apr 2005 16:59:38 -0600 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11/8.12.11) with ESMTP id j3BMxcVX029651 for ; Mon, 11 Apr 2005 16:59:38 -0600 Subject: [PATCH 3/3] mm/Kconfig: give DISCONTIG more help text From: Dave Hansen Date: Mon, 11 Apr 2005 15:59:36 -0700 Message-Id: Sender: owner-linux-mm@kvack.org Return-Path: To: akpm@osdl.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, zippel@linux-m68k.org, Dave Hansen List-ID: 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 _ -- 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