Re: x86/non-x86: percpu, node ids, apic ids x86.git fixup

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxx> wrote:

> > Uni-processor build still fails with this patch (config is 
> > arch/ia64/configs/tiger_defconfig with CONFIG_SMP switched from =y 
> > to =n).
> 
> could you try the full patchset that Travis has just sent and which 
> i've put into x86.git, you can pull it from:

btw., i needed the fix below to get DISCONTIGMEM + !NUMA to build. (this 
is an ia64 build breakage independent of the x86.git merge)

	Ingo

-------------->
Subject: ia64: build fix
From: Ingo Molnar <mingo@xxxxxxx>

DISCONTIGMEM does not build with NUMA disabled:

include/linux/gfp.h: In function `alloc_pages_node':
include/linux/gfp.h:189: error: implicit declaration of function `NODE_DATA'
include/linux/gfp.h:189: error: invalid type argument of `->'
In file included from include/asm/uaccess.h:39,

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 arch/ia64/Kconfig |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux-x86.q/arch/ia64/Kconfig
===================================================================
--- linux-x86.q.orig/arch/ia64/Kconfig
+++ linux-x86.q/arch/ia64/Kconfig
@@ -351,7 +351,8 @@ config ARCH_SELECT_MEMORY_MODEL
 	def_bool y
 
 config ARCH_DISCONTIGMEM_ENABLE
-	def_bool y
+	def_bool n
+	depends on NUMA
 	help
 	  Say Y to support efficient handling of discontiguous physical memory,
 	  for architectures which are either NUMA (Non-Uniform Memory Access)
@@ -372,7 +373,7 @@ config ARCH_DISCONTIGMEM_DEFAULT
 
 config NUMA
 	bool "NUMA support"
-	depends on !IA64_HP_SIM && !FLATMEM
+	depends on !IA64_HP_SIM
 	default y if IA64_SGI_SN2
 	select ACPI_NUMA if ACPI
 	help
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