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authorJeff Dike <jdike@addtoit.com>2008-02-05 01:30:53 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 12:44:28 -0500
commit009ec2a915ba52f6b647c4076f4a2e259cba85aa (patch)
treefd2d805f13d8ea6345e03981079c9a9e1424a18c /arch/um/kernel/mem.c
parent8192ab42bf60e1e9b7efa046990e9cc5e4a95cf4 (diff)
uml: style cleanup
Style fixes in elf-i386.h and arch/um/kernel/mem.c. update the copyright get rid of an emacs formatting comment some formatting fixes inclusion trimming whitespace fixes Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/kernel/mem.c')
-rw-r--r--arch/um/kernel/mem.c86
1 files changed, 41 insertions, 45 deletions
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 1f8f0c195173..3eddc2091d4d 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -1,28 +1,22 @@
1/* 1/*
2 * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) 2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL 3 * Licensed under the GPL
4 */ 4 */
5 5
6#include "linux/stddef.h" 6#include <linux/stddef.h>
7#include "linux/kernel.h" 7#include <linux/bootmem.h>
8#include "linux/mm.h" 8#include <linux/gfp.h>
9#include "linux/bootmem.h" 9#include <linux/highmem.h>
10#include "linux/swap.h" 10#include <linux/mm.h>
11#include "linux/highmem.h" 11#include <linux/swap.h>
12#include "linux/gfp.h" 12#include <asm/fixmap.h>
13#include "asm/page.h" 13#include <asm/page.h>
14#include "asm/fixmap.h"
15#include "asm/pgalloc.h"
16#include "kern_util.h"
17#include "as-layout.h" 14#include "as-layout.h"
15#include "init.h"
18#include "kern.h" 16#include "kern.h"
17#include "kern_util.h"
19#include "mem_user.h" 18#include "mem_user.h"
20#include "um_uaccess.h"
21#include "os.h" 19#include "os.h"
22#include "linux/types.h"
23#include "linux/string.h"
24#include "init.h"
25#include "kern_constants.h"
26 20
27/* allocated in paging_init, zeroed in mem_init, and unchanged thereafter */ 21/* allocated in paging_init, zeroed in mem_init, and unchanged thereafter */
28unsigned long *empty_zero_page = NULL; 22unsigned long *empty_zero_page = NULL;
@@ -53,7 +47,7 @@ static void setup_highmem(unsigned long highmem_start,
53 int i; 47 int i;
54 48
55 highmem_pfn = __pa(highmem_start) >> PAGE_SHIFT; 49 highmem_pfn = __pa(highmem_start) >> PAGE_SHIFT;
56 for(i = 0; i < highmem_len >> PAGE_SHIFT; i++){ 50 for (i = 0; i < highmem_len >> PAGE_SHIFT; i++) {
57 page = &mem_map[highmem_pfn + i]; 51 page = &mem_map[highmem_pfn + i];
58 ClearPageReserved(page); 52 ClearPageReserved(page);
59 init_page_count(page); 53 init_page_count(page);
@@ -85,7 +79,7 @@ void __init mem_init(void)
85#endif 79#endif
86 num_physpages = totalram_pages; 80 num_physpages = totalram_pages;
87 max_pfn = totalram_pages; 81 max_pfn = totalram_pages;
88 printk(KERN_INFO "Memory: %luk available\n", 82 printk(KERN_INFO "Memory: %luk available\n",
89 (unsigned long) nr_free_pages() << (PAGE_SHIFT-10)); 83 (unsigned long) nr_free_pages() << (PAGE_SHIFT-10));
90 kmalloc_ok = 1; 84 kmalloc_ok = 1;
91 85
@@ -119,7 +113,7 @@ static void __init one_md_table_init(pud_t *pud)
119#endif 113#endif
120} 114}
121 115
122static void __init fixrange_init(unsigned long start, unsigned long end, 116static void __init fixrange_init(unsigned long start, unsigned long end,
123 pgd_t *pgd_base) 117 pgd_t *pgd_base)
124{ 118{
125 pgd_t *pgd; 119 pgd_t *pgd;
@@ -206,7 +200,8 @@ static void __init fixaddr_user_init( void)
206 paddr = (unsigned long)alloc_bootmem_low_pages( size); 200 paddr = (unsigned long)alloc_bootmem_low_pages( size);
207 memcpy( (void *)paddr, (void *)FIXADDR_USER_START, size); 201 memcpy( (void *)paddr, (void *)FIXADDR_USER_START, size);
208 paddr = __pa(paddr); 202 paddr = __pa(paddr);
209 for ( ; size > 0; size-=PAGE_SIZE, vaddr+=PAGE_SIZE, paddr+=PAGE_SIZE){ 203 for ( ; size > 0; size -= PAGE_SIZE, vaddr += PAGE_SIZE,
204 paddr += PAGE_SIZE) {
210 pgd = swapper_pg_dir + pgd_index(vaddr); 205 pgd = swapper_pg_dir + pgd_index(vaddr);
211 pud = pud_offset(pgd, vaddr); 206 pud = pud_offset(pgd, vaddr);
212 pmd = pmd_offset(pud, vaddr); 207 pmd = pmd_offset(pud, vaddr);
@@ -223,7 +218,7 @@ void __init paging_init(void)
223 218
224 empty_zero_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE); 219 empty_zero_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE);
225 empty_bad_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE); 220 empty_bad_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE);
226 for(i = 0; i < ARRAY_SIZE(zones_size); i++) 221 for (i = 0; i < ARRAY_SIZE(zones_size); i++)
227 zones_size[i] = 0; 222 zones_size[i] = 0;
228 223
229 zones_size[ZONE_NORMAL] = (end_iomem >> PAGE_SHIFT) - 224 zones_size[ZONE_NORMAL] = (end_iomem >> PAGE_SHIFT) -
@@ -253,26 +248,26 @@ struct page *arch_validate(struct page *page, gfp_t mask, int order)
253 int i; 248 int i;
254 249
255 again: 250 again:
256 if(page == NULL) 251 if (page == NULL)
257 return page; 252 return page;
258 if(PageHighMem(page)) 253 if (PageHighMem(page))
259 return page; 254 return page;
260 255
261 addr = (unsigned long) page_address(page); 256 addr = (unsigned long) page_address(page);
262 for(i = 0; i < (1 << order); i++){ 257 for (i = 0; i < (1 << order); i++) {
263 current->thread.fault_addr = (void *) addr; 258 current->thread.fault_addr = (void *) addr;
264 if(__do_copy_to_user((void __user *) addr, &zero, 259 if (__do_copy_to_user((void __user *) addr, &zero,
265 sizeof(zero), 260 sizeof(zero),
266 &current->thread.fault_addr, 261 &current->thread.fault_addr,
267 &current->thread.fault_catcher)){ 262 &current->thread.fault_catcher)) {
268 if(!(mask & __GFP_WAIT)) 263 if (!(mask & __GFP_WAIT))
269 return NULL; 264 return NULL;
270 else break; 265 else break;
271 } 266 }
272 addr += PAGE_SIZE; 267 addr += PAGE_SIZE;
273 } 268 }
274 269
275 if(i == (1 << order)) 270 if (i == (1 << order))
276 return page; 271 return page;
277 page = alloc_pages(mask, order); 272 page = alloc_pages(mask, order);
278 goto again; 273 goto again;
@@ -291,8 +286,8 @@ void free_initmem(void)
291void free_initrd_mem(unsigned long start, unsigned long end) 286void free_initrd_mem(unsigned long start, unsigned long end)
292{ 287{
293 if (start < end) 288 if (start < end)
294 printk ("Freeing initrd memory: %ldk freed\n", 289 printk(KERN_INFO "Freeing initrd memory: %ldk freed\n",
295 (end - start) >> 10); 290 (end - start) >> 10);
296 for (; start < end; start += PAGE_SIZE) { 291 for (; start < end; start += PAGE_SIZE) {
297 ClearPageReserved(virt_to_page(start)); 292 ClearPageReserved(virt_to_page(start));
298 init_page_count(virt_to_page(start)); 293 init_page_count(virt_to_page(start));
@@ -309,27 +304,28 @@ void show_mem(void)
309 int highmem = 0; 304 int highmem = 0;
310 struct page *page; 305 struct page *page;
311 306
312 printk("Mem-info:\n"); 307 printk(KERN_INFO "Mem-info:\n");
313 show_free_areas(); 308 show_free_areas();
314 printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); 309 printk(KERN_INFO "Free swap: %6ldkB\n",
310 nr_swap_pages<<(PAGE_SHIFT-10));
315 pfn = max_mapnr; 311 pfn = max_mapnr;
316 while(pfn-- > 0) { 312 while (pfn-- > 0) {
317 page = pfn_to_page(pfn); 313 page = pfn_to_page(pfn);
318 total++; 314 total++;
319 if(PageHighMem(page)) 315 if (PageHighMem(page))
320 highmem++; 316 highmem++;
321 if(PageReserved(page)) 317 if (PageReserved(page))
322 reserved++; 318 reserved++;
323 else if(PageSwapCache(page)) 319 else if (PageSwapCache(page))
324 cached++; 320 cached++;
325 else if(page_count(page)) 321 else if (page_count(page))
326 shared += page_count(page) - 1; 322 shared += page_count(page) - 1;
327 } 323 }
328 printk("%d pages of RAM\n", total); 324 printk(KERN_INFO "%d pages of RAM\n", total);
329 printk("%d pages of HIGHMEM\n", highmem); 325 printk(KERN_INFO "%d pages of HIGHMEM\n", highmem);
330 printk("%d reserved pages\n", reserved); 326 printk(KERN_INFO "%d reserved pages\n", reserved);
331 printk("%d pages shared\n", shared); 327 printk(KERN_INFO "%d pages shared\n", shared);
332 printk("%d pages swap cached\n", cached); 328 printk(KERN_INFO "%d pages swap cached\n", cached);
333} 329}
334 330
335/* Allocate and free page tables. */ 331/* Allocate and free page tables. */
@@ -340,8 +336,8 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
340 336
341 if (pgd) { 337 if (pgd) {
342 memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); 338 memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t));
343 memcpy(pgd + USER_PTRS_PER_PGD, 339 memcpy(pgd + USER_PTRS_PER_PGD,
344 swapper_pg_dir + USER_PTRS_PER_PGD, 340 swapper_pg_dir + USER_PTRS_PER_PGD,
345 (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); 341 (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
346 } 342 }
347 return pgd; 343 return pgd;