commit 99809963c99e1ed868d9ebeb4a5e7ee1cbe0309f
author Jeff Chua <jeff.chua.linux@gmail.com> Wed Aug 06 19:09:53 2008 +0800
committer Ingo Molnar <mingo@elte.hu> Mon Aug 11 22:01:57 2008 +0200
tree 7b866cc34381326276bec92544d4a5e88d04795f
parent f2556896597c43cb48f04b1c16214938a6ccce9a

x86: make sparsemem more available

With CONFIG_X86_PC, I can set CONFIG_SPARSEMEM=y.

With CONFIG_X86_GENERICARCH, CONFIG_SPARSEMEM depends on CONFIG_NUMA.

I'm using the patch below to enable sparsemem instead of flatmem.
System booted and is running.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7917962..e2305c7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1035,7 +1035,7 @@
 
 config ARCH_FLATMEM_ENABLE
 	def_bool y
-	depends on X86_32 && ARCH_SELECT_MEMORY_MODEL && X86_PC && !NUMA
+	depends on X86_32 && ARCH_SELECT_MEMORY_MODEL && !NUMA
 
 config ARCH_DISCONTIGMEM_ENABLE
 	def_bool y
@@ -1051,7 +1051,7 @@
 
 config ARCH_SPARSEMEM_ENABLE
 	def_bool y
-	depends on X86_64 || NUMA || (EXPERIMENTAL && X86_PC)
+	depends on X86_64 || NUMA || (EXPERIMENTAL && X86_PC) || X86_GENERICARCH
 	select SPARSEMEM_STATIC if X86_32
 	select SPARSEMEM_VMEMMAP_ENABLE if X86_64