422 					struct mm_struct *oldmm)  in dup_mmap()  argument
431 	if (down_write_killable(&oldmm->mmap_sem)) {  in dup_mmap()
435 	flush_cache_dup_mm(oldmm);  in dup_mmap()
436 	uprobe_dup_mmap(oldmm, mm);  in dup_mmap()
443 	RCU_INIT_POINTER(mm->exe_file, get_mm_exe_file(oldmm));  in dup_mmap()
445 	mm->total_vm = oldmm->total_vm;  in dup_mmap()
446 	mm->data_vm = oldmm->data_vm;  in dup_mmap()
447 	mm->exec_vm = oldmm->exec_vm;  in dup_mmap()
448 	mm->stack_vm = oldmm->stack_vm;  in dup_mmap()
453 	retval = ksm_fork(mm, oldmm);  in dup_mmap()
456 	retval = khugepaged_fork(mm, oldmm);  in dup_mmap()
461 	for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) {  in dup_mmap()
480 			if (security_vm_enough_memory_mm(oldmm, len)) /* sic */  in dup_mmap()
544 			retval = copy_page_range(mm, oldmm, mpnt);  in dup_mmap()
553 	retval = arch_dup_mmap(oldmm, mm);  in dup_mmap()
556 	flush_tlb_mm(oldmm);  in dup_mmap()
557 	up_write(&oldmm->mmap_sem);  in dup_mmap()
585 static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)  in dup_mmap()  argument
587 	down_write(&oldmm->mmap_sem);  in dup_mmap()
588 	RCU_INIT_POINTER(mm->exe_file, get_mm_exe_file(oldmm));  in dup_mmap()
589 	up_write(&oldmm->mmap_sem);  in dup_mmap()
1262 	struct mm_struct *mm, *oldmm = current->mm;  in dup_mm()  local
1269 	memcpy(mm, oldmm, sizeof(*mm));  in dup_mm()
1274 	err = dup_mmap(mm, oldmm);  in dup_mm()
1297 	struct mm_struct *mm, *oldmm;  in copy_mm()  local
1315 	oldmm = current->mm;  in copy_mm()
1316 	if (!oldmm)  in copy_mm()
1323 		mmget(oldmm);  in copy_mm()
1324 		mm = oldmm;  in copy_mm()