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-rw-r--r--mm/mremap.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index f4e562098500..318eea5467a0 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -245,6 +245,7 @@ unsigned long do_mremap(unsigned long addr,
245 unsigned long old_len, unsigned long new_len, 245 unsigned long old_len, unsigned long new_len,
246 unsigned long flags, unsigned long new_addr) 246 unsigned long flags, unsigned long new_addr)
247{ 247{
248 struct mm_struct *mm = current->mm;
248 struct vm_area_struct *vma; 249 struct vm_area_struct *vma;
249 unsigned long ret = -EINVAL; 250 unsigned long ret = -EINVAL;
250 unsigned long charged = 0; 251 unsigned long charged = 0;
@@ -285,7 +286,7 @@ unsigned long do_mremap(unsigned long addr,
285 if ((addr <= new_addr) && (addr+old_len) > new_addr) 286 if ((addr <= new_addr) && (addr+old_len) > new_addr)
286 goto out; 287 goto out;
287 288
288 ret = do_munmap(current->mm, new_addr, new_len); 289 ret = do_munmap(mm, new_addr, new_len);
289 if (ret) 290 if (ret)
290 goto out; 291 goto out;
291 } 292 }
@@ -296,7 +297,7 @@ unsigned long do_mremap(unsigned long addr,
296 * do_munmap does all the needed commit accounting 297 * do_munmap does all the needed commit accounting
297 */ 298 */
298 if (old_len >= new_len) { 299 if (old_len >= new_len) {
299 ret = do_munmap(current->mm, addr+new_len, old_len - new_len); 300 ret = do_munmap(mm, addr+new_len, old_len - new_len);
300 if (ret && old_len != new_len) 301 if (ret && old_len != new_len)
301 goto out; 302 goto out;
302 ret = addr; 303 ret = addr;
@@ -309,7 +310,7 @@ unsigned long do_mremap(unsigned long addr,
309 * Ok, we need to grow.. or relocate. 310 * Ok, we need to grow.. or relocate.
310 */ 311 */
311 ret = -EFAULT; 312 ret = -EFAULT;
312 vma = find_vma(current->mm, addr); 313 vma = find_vma(mm, addr);
313 if (!vma || vma->vm_start > addr) 314 if (!vma || vma->vm_start > addr)
314 goto out; 315 goto out;
315 if (is_vm_hugetlb_page(vma)) { 316 if (is_vm_hugetlb_page(vma)) {
@@ -325,14 +326,14 @@ unsigned long do_mremap(unsigned long addr,
325 } 326 }
326 if (vma->vm_flags & VM_LOCKED) { 327 if (vma->vm_flags & VM_LOCKED) {
327 unsigned long locked, lock_limit; 328 unsigned long locked, lock_limit;
328 locked = current->mm->locked_vm << PAGE_SHIFT; 329 locked = mm->locked_vm << PAGE_SHIFT;
329 lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur; 330 lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
330 locked += new_len - old_len; 331 locked += new_len - old_len;
331 ret = -EAGAIN; 332 ret = -EAGAIN;
332 if (locked > lock_limit && !capable(CAP_IPC_LOCK)) 333 if (locked > lock_limit && !capable(CAP_IPC_LOCK))
333 goto out; 334 goto out;
334 } 335 }
335 if (!may_expand_vm(current->mm, (new_len - old_len) >> PAGE_SHIFT)) { 336 if (!may_expand_vm(mm, (new_len - old_len) >> PAGE_SHIFT)) {
336 ret = -ENOMEM; 337 ret = -ENOMEM;
337 goto out; 338 goto out;
338 } 339 }
@@ -359,11 +360,10 @@ unsigned long do_mremap(unsigned long addr,
359 vma_adjust(vma, vma->vm_start, 360 vma_adjust(vma, vma->vm_start,
360 addr + new_len, vma->vm_pgoff, NULL); 361 addr + new_len, vma->vm_pgoff, NULL);
361 362
362 current->mm->total_vm += pages; 363 mm->total_vm += pages;
363 vm_stat_account(vma->vm_mm, vma->vm_flags, 364 vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);
364 vma->vm_file, pages);
365 if (vma->vm_flags & VM_LOCKED) { 365 if (vma->vm_flags & VM_LOCKED) {
366 current->mm->locked_vm += pages; 366 mm->locked_vm += pages;
367 make_pages_present(addr + old_len, 367 make_pages_present(addr + old_len,
368 addr + new_len); 368 addr + new_len);
369 } 369 }