88 	struct mm_struct *mm = current->mm;  in munmap_notify()  local
91 	down_read(&mm->mmap_sem);  in munmap_notify()
93 	mpnt = find_vma(mm, addr);  in munmap_notify()
95 		up_read(&mm->mmap_sem);  in munmap_notify()
103 	up_read(&mm->mmap_sem);  in munmap_notify()
224 static unsigned long get_exec_dcookie(struct mm_struct *mm)  in get_exec_dcookie()  argument
228 	if (mm && mm->exe_file)  in get_exec_dcookie()
229 		cookie = fast_get_dcookie(&mm->exe_file->f_path);  in get_exec_dcookie()
241 lookup_dcookie(struct mm_struct *mm, unsigned long addr, off_t *offset)  in lookup_dcookie()  argument
246 	for (vma = find_vma(mm, addr); vma; vma = vma->vm_next) {  in lookup_dcookie()
316 static void add_data(struct op_entry *entry, struct mm_struct *mm)  in add_data()  argument
329 	if (mm) {  in add_data()
330 		cookie = lookup_dcookie(mm, pc, &offset);  in add_data()
366 add_sample(struct mm_struct *mm, struct op_sample *s, int in_kernel)  in add_sample()  argument
378 	if (!mm) {  in add_sample()
383 	cookie = lookup_dcookie(mm, s->eip, &offset);  in add_sample()
401 static void release_mm(struct mm_struct *mm)  in release_mm()  argument
403 	if (!mm)  in release_mm()
405 	up_read(&mm->mmap_sem);  in release_mm()
406 	mmput(mm);  in release_mm()
412 	struct mm_struct *mm = get_task_mm(task);  in take_tasks_mm()  local
413 	if (mm)  in take_tasks_mm()
414 		down_read(&mm->mmap_sem);  in take_tasks_mm()
415 	return mm;  in take_tasks_mm()
491 	struct mm_struct *mm = NULL;  in sync_buffer()  local
533 				oldmm = mm;  in sync_buffer()
535 				mm = take_tasks_mm(new);  in sync_buffer()
536 				if (mm != oldmm)  in sync_buffer()
537 					cookie = get_exec_dcookie(mm);  in sync_buffer()
541 				add_data(&entry, mm);  in sync_buffer()
549 		if (add_sample(mm, sample, in_kernel))  in sync_buffer()
558 	release_mm(mm);  in sync_buffer()