diff options
| -rw-r--r-- | arch/sh/Kconfig | 10 | ||||
| -rw-r--r-- | arch/sh/kernel/setup.c | 26 | ||||
| -rw-r--r-- | arch/sh/mm/init.c | 21 | ||||
| -rw-r--r-- | include/asm-sh/mmzone.h | 61 | ||||
| -rw-r--r-- | include/asm-sh/page.h | 7 |
5 files changed, 9 insertions, 116 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 7d31d628cdec..64f5ae0ff96d 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -490,16 +490,6 @@ config CPU_SUBTYPE_ST40 depends on CPU_SUBTYPE_ST40STB1 || CPU_SUBTYPE_ST40GX1 default y -config ARCH_DISCONTIGMEM_ENABLE - bool - depends on SH_HP690 - default y - help - Say Y to upport 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 <file:Documentation/vm/numa> for more. - source "mm/Kconfig" config ZERO_PAGE_OFFSET diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 25b9d9ebe858..036050b377cd 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -83,9 +83,9 @@ static struct sh_machine_vector* __init get_mv_byname(const char* name); /* ... */ #define COMMAND_LINE ((char *) (PARAM+0x100)) -#define RAMDISK_IMAGE_START_MASK 0x07FF +#define RAMDISK_IMAGE_START_MASK 0x07FF #define RAMDISK_PROMPT_FLAG 0x8000 -#define RAMDISK_LOAD_FLAG 0x4000 +#define RAMDISK_LOAD_FLAG 0x4000 static char command_line[COMMAND_LINE_SIZE] = { 0, }; @@ -284,18 +284,6 @@ void __init setup_arch(char **cmdline_p) #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) #define PFN_PHYS(x) ((x) << PAGE_SHIFT) -#ifdef CONFIG_DISCONTIGMEM - NODE_DATA(0)->bdata = &discontig_node_bdata[0]; - NODE_DATA(1)->bdata = &discontig_node_bdata[1]; - - bootmap_size = init_bootmem_node(NODE_DATA(1), - PFN_UP(__MEMORY_START_2ND), - PFN_UP(__MEMORY_START_2ND), - PFN_DOWN(__MEMORY_START_2ND+__MEMORY_SIZE_2ND)); - free_bootmem_node(NODE_DATA(1), __MEMORY_START_2ND, __MEMORY_SIZE_2ND); - reserve_bootmem_node(NODE_DATA(1), __MEMORY_START_2ND, bootmap_size); -#endif - /* * Find the highest page frame number we have available */ @@ -306,10 +294,10 @@ void __init setup_arch(char **cmdline_p) */ max_low_pfn = max_pfn; - /* + /* * Partially used pages are not usable - thus * we are rounding upwards: - */ + */ start_pfn = PFN_UP(__pa(_end)); /* @@ -360,12 +348,12 @@ void __init setup_arch(char **cmdline_p) reserve_bootmem_node(NODE_DATA(0), __MEMORY_START, PAGE_SIZE); #ifdef CONFIG_BLK_DEV_INITRD - ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0); - if (&__rd_start != &__rd_end) { + ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0); + if (&__rd_start != &__rd_end) { LOADER_TYPE = 1; INITRD_START = PHYSADDR((unsigned long)&__rd_start) - __MEMORY_START; INITRD_SIZE = (unsigned long)&__rd_end - (unsigned long)&__rd_start; - } + } if (LOADER_TYPE && INITRD_START) { if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) { diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 4e9c854845a4..e342565f75fb 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -51,11 +51,6 @@ unsigned long mmu_context_cache = NO_CONTEXT; #define MAX_LOW_PFN (NODE_DATA(0)->bdata->node_low_pfn) #endif -#ifdef CONFIG_DISCONTIGMEM -pg_data_t discontig_page_data[MAX_NUMNODES]; -bootmem_data_t discontig_node_bdata[MAX_NUMNODES]; -#endif - void (*copy_page)(void *from, void *to); void (*clear_page)(void *to); @@ -216,15 +211,6 @@ void __init paging_init(void) #endif NODE_DATA(0)->node_mem_map = NULL; free_area_init_node(0, NODE_DATA(0), zones_size, __MEMORY_START >> PAGE_SHIFT, 0); - -#ifdef CONFIG_DISCONTIGMEM - /* - * And for discontig, do some more fixups on the zone sizes.. - */ - zones_size[ZONE_DMA] = __MEMORY_SIZE_2ND >> PAGE_SHIFT; - zones_size[ZONE_NORMAL] = 0; - free_area_init_node(1, NODE_DATA(1), zones_size, __MEMORY_START_2ND >> PAGE_SHIFT, 0); -#endif } void __init mem_init(void) @@ -248,7 +234,7 @@ void __init mem_init(void) memset(empty_zero_page, 0, PAGE_SIZE); __flush_wback_region(empty_zero_page, PAGE_SIZE); - /* + /* * Setup wrappers for copy/clear_page(), these will get overridden * later in the boot process if a better method is available. */ @@ -257,9 +243,6 @@ void __init mem_init(void) /* this will put all low memory onto the freelists */ totalram_pages += free_all_bootmem_node(NODE_DATA(0)); -#ifdef CONFIG_DISCONTIGMEM - totalram_pages += free_all_bootmem_node(NODE_DATA(1)); -#endif reservedpages = 0; for (tmp = 0; tmp < num_physpages; tmp++) /* @@ -286,7 +269,7 @@ void __init mem_init(void) void free_initmem(void) { unsigned long addr; - + addr = (unsigned long)(&__init_begin); for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { ClearPageReserved(virt_to_page(addr)); diff --git a/include/asm-sh/mmzone.h b/include/asm-sh/mmzone.h deleted file mode 100644 index 0e7406601fdf..000000000000 --- a/include/asm-sh/mmzone.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * linux/include/asm-sh/mmzone.h - * - * 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. - */ -#ifndef __ASM_SH_MMZONE_H -#define __ASM_SH_MMZONE_H - -#include <linux/config.h> - -#ifdef CONFIG_DISCONTIGMEM - -/* Currently, just for HP690 */ -#define PHYSADDR_TO_NID(phys) ((((phys) - __MEMORY_START) >= 0x01000000)?1:0) - -extern pg_data_t discontig_page_data[MAX_NUMNODES]; -extern bootmem_data_t discontig_node_bdata[MAX_NUMNODES]; - -/* - * Following are macros that each numa implmentation must define. - */ - -/* - * Given a kernel address, find the home node of the underlying memory. - */ -#define KVADDR_TO_NID(kaddr) PHYSADDR_TO_NID(__pa(kaddr)) - -/* - * Return a pointer to the node data for node n. - */ -#define NODE_DATA(nid) (&discontig_page_data[nid]) - -/* - * NODE_MEM_MAP gives the kaddr for the mem_map of the node. - */ -#define NODE_MEM_MAP(nid) (NODE_DATA(nid)->node_mem_map) - -#define phys_to_page(phys) \ -({ unsigned int node = PHYSADDR_TO_NID(phys); \ - NODE_MEM_MAP(node) \ - + (((phys) - NODE_DATA(node)->node_start_paddr) >> PAGE_SHIFT); }) - -static inline int is_valid_page(struct page *page) -{ - unsigned int i; - - for (i = 0; i < MAX_NUMNODES; i++) { - if (page >= NODE_MEM_MAP(i) && - page < NODE_MEM_MAP(i) + NODE_DATA(i)->node_size) - return 1; - } - return 0; -} - -#define VALID_PAGE(page) is_valid_page(page) -#define page_to_phys(page) PHYSADDR(page_address(page)) - -#endif /* CONFIG_DISCONTIGMEM */ -#endif diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h index 324e6cc5ecf7..972c3f655b2a 100644 --- a/include/asm-sh/page.h +++ b/include/asm-sh/page.h @@ -93,11 +93,6 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define __MEMORY_START CONFIG_MEMORY_START #define __MEMORY_SIZE CONFIG_MEMORY_SIZE -#ifdef CONFIG_DISCONTIGMEM -/* Just for HP690, for now.. */ -#define __MEMORY_START_2ND (__MEMORY_START+0x02000000) -#define __MEMORY_SIZE_2ND 0x001000000 /* 16MB */ -#endif #define PAGE_OFFSET (0x80000000UL) #define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) @@ -105,10 +100,8 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT) -#ifndef CONFIG_DISCONTIGMEM #define phys_to_page(phys) (mem_map + (((phys)-__MEMORY_START) >> PAGE_SHIFT)) #define page_to_phys(page) (((page - mem_map) << PAGE_SHIFT) + __MEMORY_START) -#endif /* PFN start number, because of __MEMORY_START */ #define PFN_START (__MEMORY_START >> PAGE_SHIFT) |
