diff options
Diffstat (limited to 'arch/um/kernel/physmem.c')
| -rw-r--r-- | arch/um/kernel/physmem.c | 50 | 
1 files changed, 21 insertions, 29 deletions
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c index 8aeac4d9351..fb695e48fad 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 {  |