From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f41.google.com (mail-ee0-f41.google.com [74.125.83.41]) by kanga.kvack.org (Postfix) with ESMTP id 3B5CF6B009D for ; Tue, 8 Apr 2014 09:09:41 -0400 (EDT) Received: by mail-ee0-f41.google.com with SMTP id t10so672617eei.14 for ; Tue, 08 Apr 2014 06:09:39 -0700 (PDT) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id v8si2758564eew.67.2014.04.08.06.09.38 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 08 Apr 2014 06:09:38 -0700 (PDT) From: Mel Gorman Subject: [PATCH 1/5] x86: Require x86-64 for automatic NUMA balancing Date: Tue, 8 Apr 2014 14:09:26 +0100 Message-Id: <1396962570-18762-2-git-send-email-mgorman@suse.de> In-Reply-To: <1396962570-18762-1-git-send-email-mgorman@suse.de> References: <1396962570-18762-1-git-send-email-mgorman@suse.de> Sender: owner-linux-mm@kvack.org List-ID: To: Linux-X86 Cc: Linus Torvalds , Cyrill Gorcunov , Mel Gorman , Peter Anvin , Ingo Molnar , Steven Noonan , Rik van Riel , David Vrabel , Andrew Morton , Peter Zijlstra , Andrea Arcangeli , Dave Hansen , Srikar Dronamraju , Linux-MM , LKML 32-bit support for NUMA is an oddity on its own but with automatic NUMA balancing on top there is a reasonable risk that the CPUPID information cannot be stored in the page flags. This patch removes support for automatic NUMA support on 32-bit x86. Signed-off-by: Mel Gorman --- arch/x86/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 0af5250..084b1c1 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -26,7 +26,7 @@ config X86 select ARCH_MIGHT_HAVE_PC_SERIO select HAVE_AOUT if X86_32 select HAVE_UNSTABLE_SCHED_CLOCK - select ARCH_SUPPORTS_NUMA_BALANCING + select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 select ARCH_SUPPORTS_INT128 if X86_64 select ARCH_WANTS_PROT_NUMA_PROT_NONE select HAVE_IDE -- 1.8.4.5 -- 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