[PATCH 1/9] alpha: remove DISCONTIGMEM and NUMA
From: Mike Rapoport NUMA is marked broken on alpha for more than 15 years and DISCONTIGMEM was replaced with SPARSEMEM in v5.11. Remove both NUMA and DISCONTIGMEM support from alpha. Signed-off-by: Mike Rapoport --- arch/alpha/Kconfig| 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 -- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 -- arch/alpha/kernel/core_marvel.c | 53 +-- arch/alpha/kernel/core_wildfire.c | 29 +--- arch/alpha/kernel/pci_iommu.c | 29 arch/alpha/kernel/proto.h | 8 -- arch/alpha/kernel/setup.c | 16 --- arch/alpha/kernel/sys_marvel.c| 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile| 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 -- 15 files changed, 4 insertions(+), 540 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 5998106faa60..8954216b9956 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -549,29 +549,12 @@ config NR_CPUS MARVEL support can handle a maximum of 32 CPUs, all the others with working support have a maximum of 4 CPUs. -config ARCH_DISCONTIGMEM_ENABLE - bool "Discontiguous Memory Support" - depends on BROKEN - help - Say Y to support efficient handling of discontiguous physical memory, - for architectures which are either NUMA (Non-Uniform Memory Access) - or have huge holes in the physical address space for other reasons. - See for more. - config ARCH_SPARSEMEM_ENABLE bool "Sparse Memory Support" help Say Y to support efficient handling of discontiguous physical memory, for systems that have huge holes in the physical address space. -config NUMA - bool "NUMA Support (EXPERIMENTAL)" - depends on DISCONTIGMEM && BROKEN - help - Say Y to compile the kernel to support NUMA (Non-Uniform Memory - Access). This option is for configuring high-end multiprocessor - server machines. If in doubt, say N. - config ALPHA_WTINT bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC default y if ALPHA_QEMU @@ -596,11 +579,6 @@ config ALPHA_WTINT If unsure, 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/alpha/include/asm/machvec.h b/arch/alpha/include/asm/machvec.h index a4e96e2bec74..e49fabce7b33 100644 --- a/arch/alpha/include/asm/machvec.h +++ b/arch/alpha/include/asm/machvec.h @@ -99,12 +99,6 @@ struct alpha_machine_vector const char *vector_name; - /* NUMA information */ - int (*pa_to_nid)(unsigned long); - int (*cpuid_to_nid)(int); - unsigned long (*node_mem_start)(int); - unsigned long (*node_mem_size)(int); - /* System specific parameters. */ union { struct { diff --git a/arch/alpha/include/asm/mmzone.h b/arch/alpha/include/asm/mmzone.h deleted file mode 100644 index 86644604d977.. --- a/arch/alpha/include/asm/mmzone.h +++ /dev/null @@ -1,100 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Written by Kanoj Sarcar (ka...@sgi.com) Aug 99 - * Adapted for the alpha wildfire architecture Jan 2001. - */ -#ifndef _ASM_MMZONE_H_ -#define _ASM_MMZONE_H_ - -#ifdef CONFIG_DISCONTIGMEM - -#include - -/* - * Following are macros that are specific to this numa platform. - */ - -extern pg_data_t node_data[]; - -#define alpha_pa_to_nid(pa)\ -(alpha_mv.pa_to_nid\ -? alpha_mv.pa_to_nid(pa) \ -: (0)) -#define node_mem_start(nid)\ -(alpha_mv.node_mem_start \ -? alpha_mv.node_mem_start(nid) \ -: (0UL)) -#define node_mem_size(nid) \ -(alpha_mv.node_mem_size\ -? alpha_mv.node_mem_size(nid) \ -: ((nid) ? (0UL) : (~0UL))) - -#define pa_to_nid(pa) alpha_pa_to_nid(pa) -#define NODE_DATA(nid) (&node_data[(nid)]) - -#define node_localnr(pfn, nid) ((pfn) - NODE_DATA(nid)->node_start_pfn) - -#if 1 -#define PLAT_NODE_DATA_LOCALNR(p, n) \ - (((p) >> PAGE_SHIFT) - PLAT_NODE_DATA(n)->gendata.node_start_pfn) -#else -static inline unsigned long -PLAT_NODE_DATA_LOCALNR(unsigned long p, int n) -{ - unsigned long temp; - temp = p >> PAGE_SHIFT; - return temp - PLAT_NODE_DATA(n)->gendata.node_start_pfn; -} -#endif - -/* - * Following are macros that each numa implementation must define. - */ - -/* - * Given a kernel address, find the home node of the underlying memory. - */ -#define kvaddr_to_nid(kaddr) p
Re: [PATCH 1/9] alpha: remove DISCONTIGMEM and NUMA
On 02.06.21 12:53, Mike Rapoport wrote: From: Mike Rapoport NUMA is marked broken on alpha for more than 15 years and DISCONTIGMEM was replaced with SPARSEMEM in v5.11. Remove both NUMA and DISCONTIGMEM support from alpha. Signed-off-by: Mike Rapoport --- arch/alpha/Kconfig| 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 -- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 -- arch/alpha/kernel/core_marvel.c | 53 +-- arch/alpha/kernel/core_wildfire.c | 29 +--- arch/alpha/kernel/pci_iommu.c | 29 arch/alpha/kernel/proto.h | 8 -- arch/alpha/kernel/setup.c | 16 --- arch/alpha/kernel/sys_marvel.c| 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile| 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 -- 15 files changed, 4 insertions(+), 540 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 5998106faa60..8954216b9956 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -549,29 +549,12 @@ config NR_CPUS MARVEL support can handle a maximum of 32 CPUs, all the others with working support have a maximum of 4 CPUs. -config ARCH_DISCONTIGMEM_ENABLE - bool "Discontiguous Memory Support" - depends on BROKEN - help - Say Y to support efficient handling of discontiguous physical memory, - for architectures which are either NUMA (Non-Uniform Memory Access) - or have huge holes in the physical address space for other reasons. - See for more. - config ARCH_SPARSEMEM_ENABLE bool "Sparse Memory Support" help Say Y to support efficient handling of discontiguous physical memory, for systems that have huge holes in the physical address space. -config NUMA - bool "NUMA Support (EXPERIMENTAL)" - depends on DISCONTIGMEM && BROKEN - help - Say Y to compile the kernel to support NUMA (Non-Uniform Memory - Access). This option is for configuring high-end multiprocessor - server machines. If in doubt, say N. - config ALPHA_WTINT bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC default y if ALPHA_QEMU @@ -596,11 +579,6 @@ config ALPHA_WTINT If unsure, 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/alpha/include/asm/machvec.h b/arch/alpha/include/asm/machvec.h index a4e96e2bec74..e49fabce7b33 100644 --- a/arch/alpha/include/asm/machvec.h +++ b/arch/alpha/include/asm/machvec.h @@ -99,12 +99,6 @@ struct alpha_machine_vector const char *vector_name; - /* NUMA information */ - int (*pa_to_nid)(unsigned long); - int (*cpuid_to_nid)(int); - unsigned long (*node_mem_start)(int); - unsigned long (*node_mem_size)(int); - /* System specific parameters. */ union { struct { diff --git a/arch/alpha/include/asm/mmzone.h b/arch/alpha/include/asm/mmzone.h deleted file mode 100644 index 86644604d977.. --- a/arch/alpha/include/asm/mmzone.h +++ /dev/null @@ -1,100 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Written by Kanoj Sarcar (ka...@sgi.com) Aug 99 - * Adapted for the alpha wildfire architecture Jan 2001. - */ -#ifndef _ASM_MMZONE_H_ -#define _ASM_MMZONE_H_ - -#ifdef CONFIG_DISCONTIGMEM - -#include - -/* - * Following are macros that are specific to this numa platform. - */ - -extern pg_data_t node_data[]; - -#define alpha_pa_to_nid(pa)\ -(alpha_mv.pa_to_nid\ -? alpha_mv.pa_to_nid(pa) \ -: (0)) -#define node_mem_start(nid)\ -(alpha_mv.node_mem_start \ -? alpha_mv.node_mem_start(nid) \ -: (0UL)) -#define node_mem_size(nid) \ -(alpha_mv.node_mem_size\ -? alpha_mv.node_mem_size(nid) \ -: ((nid) ? (0UL) : (~0UL))) - -#define pa_to_nid(pa) alpha_pa_to_nid(pa) -#define NODE_DATA(nid) (&node_data[(nid)]) - -#define node_localnr(pfn, nid) ((pfn) - NODE_DATA(nid)->node_start_pfn) - -#if 1 -#define PLAT_NODE_DATA_LOCALNR(p, n) \ - (((p) >> PAGE_SHIFT) - PLAT_NODE_DATA(n)->gendata.node_start_pfn) -#else -static inline unsigned long -PLAT_NODE_DATA_LOCALNR(unsigned long p, int n) -{ - unsigned long temp; - temp = p >> PAGE_SHIFT; - return temp - PLAT_NODE_DATA(n)->gendata.node_start_pfn; -} -#endif - -/* - * Following are macros that each numa implementation must define. - */ - -/* - * Given a kernel address, find the home node of the