diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/um/include/skas/mode_kern_skas.h | 3 | ||||
| -rw-r--r-- | arch/um/kernel/physmem.c | 50 |
2 files changed, 23 insertions, 30 deletions
diff --git a/arch/um/include/skas/mode_kern_skas.h b/arch/um/include/skas/mode_kern_skas.h index 8ee6285dfacc..c29485109a9a 100644 --- a/arch/um/include/skas/mode_kern_skas.h +++ b/arch/um/include/skas/mode_kern_skas.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com) * Licensed under the GPL */ @@ -9,6 +9,7 @@ #include "linux/sched.h" #include "asm/page.h" #include "asm/ptrace.h" +#include "mem_user.h" extern void flush_thread_skas(void); extern void switch_to_skas(void *prev, void *next); diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c index 8aeac4d93511..fb695e48fad7 100644 --- a/arch/um/kernel/physmem.c +++ b/arch/um/kernel/physmem.c @@ -1,25 +1,17 @@ /* - * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ -#include "linux/mm.h" -#include "linux/rbtree.h" -#include "linux/slab.h" -#include "linux/vmalloc.h" #include "linux/bootmem.h" -#include "linux/module.h" +#include "linux/mm.h" #include "linux/pfn.h" -#include "asm/types.h" -#include "asm/pgtable.h" -#include "kern_util.h" +#include "asm/page.h" #include "as-layout.h" +#include "init.h" +#include "kern.h" #include "mode_kern.h" -#include "mem.h" -#include "mem_user.h" #include "os.h" -#include "kern.h" -#include "init.h" static int physmem_fd = -1; @@ -49,10 +41,10 @@ int __init init_maps(unsigned long physmem, unsigned long iomem, total_len = phys_len + iomem_len + highmem_len; map = alloc_bootmem_low_pages(total_len); - if(map == NULL) + if (map == NULL) return -ENOMEM; - for(i = 0; i < total_pages; i++){ + for (i = 0; i < total_pages; i++) { p = &map[i]; memset(p, 0, sizeof(struct page)); SetPageReserved(p); @@ -68,7 +60,7 @@ static unsigned long kmem_top = 0; unsigned long get_kmem_end(void) { - if(kmem_top == 0) + if (kmem_top == 0) kmem_top = CHOOSE_MODE(kmem_end_tt, kmem_end_skas); return kmem_top; } @@ -81,8 +73,8 @@ void map_memory(unsigned long virt, unsigned long phys, unsigned long len, fd = phys_mapping(phys, &offset); err = os_map_memory((void *) virt, fd, offset, len, r, w, x); - if(err) { - if(err == -ENOMEM) + if (err) { + if (err == -ENOMEM) printk("try increasing the host's " "/proc/sys/vm/max_map_count to <physical " "memory size>/4096\n"); @@ -106,7 +98,7 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end, offset = uml_reserved - uml_physmem; err = os_map_memory((void *) uml_reserved, physmem_fd, offset, len - offset, 1, 1, 1); - if(err < 0){ + if (err < 0) { os_print_error(err, "Mapping memory"); exit(1); } @@ -126,16 +118,16 @@ int phys_mapping(unsigned long phys, __u64 *offset_out) { int fd = -1; - if(phys < physmem_size){ + if (phys < physmem_size) { fd = physmem_fd; *offset_out = phys; } - else if(phys < __pa(end_iomem)){ + else if (phys < __pa(end_iomem)) { struct iomem_region *region = iomem_regions; - while(region != NULL){ - if((phys >= region->phys) && - (phys < region->phys + region->size)){ + while (region != NULL) { + if ((phys >= region->phys) && + (phys < region->phys + region->size)) { fd = region->fd; *offset_out = phys - region->phys; break; @@ -143,7 +135,7 @@ int phys_mapping(unsigned long phys, __u64 *offset_out) region = region->next; } } - else if(phys < __pa(end_iomem) + highmem){ + else if (phys < __pa(end_iomem) + highmem) { fd = physmem_fd; *offset_out = phys - iomem_size; } @@ -188,8 +180,8 @@ unsigned long find_iomem(char *driver, unsigned long *len_out) { struct iomem_region *region = iomem_regions; - while(region != NULL){ - if(!strcmp(region->driver, driver)){ + while (region != NULL) { + if (!strcmp(region->driver, driver)) { *len_out = region->size; return region->virt; } @@ -206,10 +198,10 @@ int setup_iomem(void) unsigned long iomem_start = high_physmem + PAGE_SIZE; int err; - while(region != NULL){ + while (region != NULL) { err = os_map_memory((void *) iomem_start, region->fd, 0, region->size, 1, 1, 0); - if(err) + if (err) printk("Mapping iomem region for driver '%s' failed, " "errno = %d\n", region->driver, -err); else { |