linux-kernel - [PATCH] xen: can't support numa yet

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Date:	Wed, 04 Jul 2007 17:32:57 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Adrian Bunk <bunk@...sta.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>, jeremy@...source.com,
	chrisw@...s-sol.org, linux-kernel@...r.kernel.org,
	xen-devel@...ts.xensource.com, Andi Kleen <ak@...e.de>
Subject: [PATCH] xen: can't support numa yet

Xen currently relies on contigious memory (ie, no numa, discontig or
sparse memory).  Specifically it uses mem_map, which is only available
if CONFIG_NEED_MULTIPLE_NODES is not defined.

Signed-off-by: Jeremy Fitzhardinge <jeremy@...source.com>
Cc: Adrian Bunk <bunk@...sta.de>
Cc: Andi Kleen <ak@...e.de>

---
 arch/i386/xen/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

===================================================================
--- a/arch/i386/xen/Kconfig
+++ b/arch/i386/xen/Kconfig
@@ -4,7 +4,7 @@
 
 config XEN
 	bool "Enable support for Xen hypervisor"
-	depends on PARAVIRT && X86_CMPXCHG && X86_TSC
+	depends on PARAVIRT && X86_CMPXCHG && X86_TSC && !NEED_MULTIPLE_NODES
 	help
 	  This is the Linux Xen port.  Enabling this will allow the
 	  kernel to boot in a paravirtualized environment under the



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