diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 9bef61b30367..8290b69da202 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -549,6 +549,11 @@ config NUMA Access). This option is for configuring high-end multiprocessor server machines. If in doubt, say N. +config NODES_SHIFT + int + default "7" + depends on NEED_MULTIPLE_NODES + # LARGE_VMALLOC is racy, if you *really* need it then fix it first config ALPHA_LARGE_VMALLOC bool diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index dc5a9332c915..1dbf6ddb300d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -512,6 +512,12 @@ config ARCH_DISCONTIGMEM_ENABLE or have huge holes in the physical address space for other reasons. See for more. +config NODES_SHIFT + int + default "4" if ARCH_LH7A40X + default "2" + depends on NEED_MULTIPLE_NODES + source "mm/Kconfig" config LEDS diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 57301db056f5..18ec9fe6deb6 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -522,6 +522,12 @@ config NUMA comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI" depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI) +config NODES_SHIFT + int + default "4" if X86_NUMAQ + default "3" + depends on NEED_MULTIPLE_NODES + config HAVE_ARCH_BOOTMEM_NODE bool depends on NUMA diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index edffe25a477a..9f40eeff0b5c 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -260,15 +260,6 @@ config NR_CPUS than 64 will cause the use of a CPU mask array, causing a small performance hit. -config IA64_NR_NODES - int "Maximum number of NODEs (256-1024)" if (IA64_SGI_SN2 || IA64_GENERIC) - range 256 1024 - depends on IA64_SGI_SN2 || IA64_GENERIC - default "256" - help - This option specifies the maximum number of nodes in your SSI system. - If in doubt, use the default. - config HOTPLUG_CPU bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" depends on SMP && EXPERIMENTAL @@ -352,6 +343,16 @@ config NUMA Access). This option is for configuring high-end multiprocessor server systems. If in doubt, say N. +config NODES_SHIFT + int "Max num nodes shift(3-10)" + range 3 10 + default "8" + depends on NEED_MULTIPLE_NODES + help + This option specifies the maximum number of nodes in your SSI system. + MAX_NUMNODES will be 2^(This value). + If in doubt, use the default. + # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. # VIRTUAL_MEM_MAP has been retained for historical reasons. config VIRTUAL_MEM_MAP diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index 05c864c6c2d9..41fd490af3b4 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -285,6 +285,11 @@ config NUMA depends on SMP && BROKEN default n +config NODES_SHIFT + int + default "1" + depends on NEED_MULTIPLE_NODES + # turning this on wastes a bunch of space. # Summit needs it only when NUMA is on config BOOT_IOREMAP diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index e15709ce8866..7aec60d40420 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1590,6 +1590,11 @@ config ARCH_FLATMEM_ENABLE def_bool y depends on !NUMA +config NODES_SHIFT + int + default "6" + depends on NEED_MULTIPLE_NODES + source "mm/Kconfig" config SMP diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 2fdf21989dc2..19f911c5dd58 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -177,6 +177,11 @@ config ARCH_DISCONTIGMEM_DEFAULT def_bool y depends on ARCH_DISCONTIGMEM_ENABLE +config NODES_SHIFT + int + default "3" + depends on NEED_MULTIPLE_NODES + source "kernel/Kconfig.preempt" source "kernel/Kconfig.hz" source "mm/Kconfig" diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 2cdc35ce8045..167e70e95556 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -649,6 +649,11 @@ config NUMA depends on PPC64 default y if SMP && PPC_PSERIES +config NODES_SHIFT + int + default "4" + depends on NEED_MULTIPLE_NODES + config ARCH_SELECT_MEMORY_MODEL def_bool y depends on PPC64 diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 58583f459471..2bcecf422573 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -527,6 +527,11 @@ config CPU_HAS_SR_RB See for further information on SR.RB and register banking in the kernel in general. +config NODES_SHIFT + int + default "1" + depends on NEED_MULTIPLE_NODES + endmenu menu "Boot options" diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 7df2fe1844be..408d44a59756 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -288,6 +288,11 @@ config K8_NUMA Northbridge of Opteron. It is recommended to use X86_64_ACPI_NUMA instead, which also takes priority if both are compiled in. +config NODES_SHIFT + int + default "6" + depends on NEED_MULTIPLE_NODES + # Dummy CONFIG option to select ACPI_NUMA from drivers/acpi/Kconfig. config X86_64_ACPI_NUMA diff --git a/include/asm-alpha/numnodes.h b/include/asm-alpha/numnodes.h deleted file mode 100644 index cd425827e4f3..000000000000 --- a/include/asm-alpha/numnodes.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _ASM_MAX_NUMNODES_H -#define _ASM_MAX_NUMNODES_H - -/* Max 128 Nodes - Marvel */ -#define NODES_SHIFT 7 - -#endif /* _ASM_MAX_NUMNODES_H */ diff --git a/include/asm-arm/arch-lh7a40x/memory.h b/include/asm-arm/arch-lh7a40x/memory.h index c92bcb837629..9f1a58cbf407 100644 --- a/include/asm-arm/arch-lh7a40x/memory.h +++ b/include/asm-arm/arch-lh7a40x/memory.h @@ -31,8 +31,6 @@ #ifdef CONFIG_DISCONTIGMEM -#define NODES_SHIFT 4 /* Up to 16 nodes */ - /* * Given a kernel address, find the home node of the underlying memory. */ diff --git a/include/asm-arm/numnodes.h b/include/asm-arm/numnodes.h deleted file mode 100644 index 8df36818ebc9..000000000000 --- a/include/asm-arm/numnodes.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * linux/include/asm-arm/numnodes.h - * - * Copyright (C) 2002 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* This declaration for the size of the NUMA (CONFIG_DISCONTIGMEM) - * memory node table is the default. - * - * A good place to override this value is include/asm/arch/memory.h. - */ - -#ifndef __ASM_ARM_NUMNODES_H -#define __ASM_ARM_NUMNODES_H - -#include - -#ifndef NODES_SHIFT -# define NODES_SHIFT 2 /* Normally, Max 4 Nodes */ -#endif - -#endif diff --git a/include/asm-i386/numnodes.h b/include/asm-i386/numnodes.h deleted file mode 100644 index a61f38c8176f..000000000000 --- a/include/asm-i386/numnodes.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef _ASM_MAX_NUMNODES_H -#define _ASM_MAX_NUMNODES_H - -#include - -#ifdef CONFIG_X86_NUMAQ - -/* Max 16 Nodes */ -#define NODES_SHIFT 4 - -#elif defined(CONFIG_ACPI_SRAT) - -/* Max 8 Nodes */ -#define NODES_SHIFT 3 - -#endif /* CONFIG_X86_NUMAQ */ - -#endif /* _ASM_MAX_NUMNODES_H */ diff --git a/include/asm-ia64/numnodes.h b/include/asm-ia64/numnodes.h deleted file mode 100644 index e9d356f549d9..000000000000 --- a/include/asm-ia64/numnodes.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef _ASM_MAX_NUMNODES_H -#define _ASM_MAX_NUMNODES_H - -#ifdef CONFIG_IA64_DIG -/* Max 8 Nodes */ -# define NODES_SHIFT 3 -#elif defined(CONFIG_IA64_HP_ZX1) || defined(CONFIG_IA64_HP_ZX1_SWIOTLB) -/* Max 32 Nodes */ -# define NODES_SHIFT 5 -#elif defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_GENERIC) -# if CONFIG_IA64_NR_NODES == 256 -# define NODES_SHIFT 8 -# elif CONFIG_IA64_NR_NODES <= 512 -# define NODES_SHIFT 9 -# elif CONFIG_IA64_NR_NODES <= 1024 -# define NODES_SHIFT 10 -# endif -#endif - -#endif /* _ASM_MAX_NUMNODES_H */ diff --git a/include/asm-m32r/numnodes.h b/include/asm-m32r/numnodes.h deleted file mode 100644 index 479a39d49f83..000000000000 --- a/include/asm-m32r/numnodes.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef _ASM_NUMNODES_H_ -#define _ASM_NUMNODES_H_ - -#include - -#ifdef CONFIG_DISCONTIGMEM - -#if defined(CONFIG_CHIP_M32700) -#define NODES_SHIFT 1 /* Max 2 Nodes */ -#endif /* CONFIG_CHIP_M32700 */ - -#endif /* CONFIG_DISCONTIGMEM */ - -#endif /* _ASM_NUMNODES_H_ */ - diff --git a/include/asm-mips/numnodes.h b/include/asm-mips/numnodes.h deleted file mode 100644 index 4f00c16ceeb0..000000000000 --- a/include/asm-mips/numnodes.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _ASM_MAX_NUMNODES_H -#define _ASM_MAX_NUMNODES_H - -/* Max 128 Nodes */ -#define NODES_SHIFT 6 - -#endif /* _ASM_MAX_NUMNODES_H */ diff --git a/include/asm-parisc/numnodes.h b/include/asm-parisc/numnodes.h deleted file mode 100644 index 6c67651efd1c..000000000000 --- a/include/asm-parisc/numnodes.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _ASM_MAX_NUMNODES_H -#define _ASM_MAX_NUMNODES_H - -/* Max 8 Nodes */ -#define NODES_SHIFT 3 - -#endif /* _ASM_MAX_NUMNODES_H */ diff --git a/include/asm-powerpc/numnodes.h b/include/asm-powerpc/numnodes.h deleted file mode 100644 index e138edae09dd..000000000000 --- a/include/asm-powerpc/numnodes.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef _ASM_POWERPC_MAX_NUMNODES_H -#define _ASM_POWERPC_MAX_NUMNODES_H -#ifdef __KERNEL__ - -/* Max 16 Nodes */ -#define NODES_SHIFT 4 - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_MAX_NUMNODES_H */ diff --git a/include/asm-sh/numnodes.h b/include/asm-sh/numnodes.h deleted file mode 100644 index f73e85b72ecb..000000000000 --- a/include/asm-sh/numnodes.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _ASM_MAX_NUMNODES_H -#define _ASM_MAX_NUMNODES_H - -/* Max 2 Nodes */ -#define NODES_SHIFT 1 - -#endif /* _ASM_MAX_NUMNODES_H */ diff --git a/include/asm-x86_64/numa.h b/include/asm-x86_64/numa.h index f0ba4d984bdf..1cc92fe02503 100644 --- a/include/asm-x86_64/numa.h +++ b/include/asm-x86_64/numa.h @@ -2,7 +2,6 @@ #define _ASM_X8664_NUMA_H 1 #include -#include struct bootnode { u64 start,end; diff --git a/include/asm-x86_64/numnodes.h b/include/asm-x86_64/numnodes.h deleted file mode 100644 index 5a1d506b8299..000000000000 --- a/include/asm-x86_64/numnodes.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef _ASM_X8664_NUMNODES_H -#define _ASM_X8664_NUMNODES_H 1 - -#include - -#ifdef CONFIG_NUMA -#define NODES_SHIFT 6 -#endif - -#endif diff --git a/include/linux/numa.h b/include/linux/numa.h index f0c539bd3cfc..e481feb1bfd8 100644 --- a/include/linux/numa.h +++ b/include/linux/numa.h @@ -3,11 +3,9 @@ #include -#ifndef CONFIG_FLATMEM -#include -#endif - -#ifndef NODES_SHIFT +#ifdef CONFIG_NODES_SHIFT +#define NODES_SHIFT CONFIG_NODES_SHIFT +#else #define NODES_SHIFT 0 #endif