390 static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)  in dup_mmap()  argument
398 	down_write(&oldmm->mmap_sem);  in dup_mmap()
399 	flush_cache_dup_mm(oldmm);  in dup_mmap()
400 	uprobe_dup_mmap(oldmm, mm);  in dup_mmap()
407 	RCU_INIT_POINTER(mm->exe_file, get_mm_exe_file(oldmm));  in dup_mmap()
409 	mm->total_vm = oldmm->total_vm;  in dup_mmap()
410 	mm->shared_vm = oldmm->shared_vm;  in dup_mmap()
411 	mm->exec_vm = oldmm->exec_vm;  in dup_mmap()
412 	mm->stack_vm = oldmm->stack_vm;  in dup_mmap()
417 	retval = ksm_fork(mm, oldmm);  in dup_mmap()
420 	retval = khugepaged_fork(mm, oldmm);  in dup_mmap()
425 	for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) {  in dup_mmap()
437 			if (security_vm_enough_memory_mm(oldmm, len)) /* sic */  in dup_mmap()
494 		retval = copy_page_range(mm, oldmm, mpnt);  in dup_mmap()
503 	arch_dup_mmap(oldmm, mm);  in dup_mmap()
507 	flush_tlb_mm(oldmm);  in dup_mmap()
508 	up_write(&oldmm->mmap_sem);  in dup_mmap()
534 static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)  in dup_mmap()  argument
536 	down_write(&oldmm->mmap_sem);  in dup_mmap()
537 	RCU_INIT_POINTER(mm->exe_file, get_mm_exe_file(oldmm));  in dup_mmap()
538 	up_write(&oldmm->mmap_sem);  in dup_mmap()
906 	struct mm_struct *mm, *oldmm = current->mm;  in dup_mm()  local
913 	memcpy(mm, oldmm, sizeof(*mm));  in dup_mm()
918 	err = dup_mmap(mm, oldmm);  in dup_mm()
941 	struct mm_struct *mm, *oldmm;  in copy_mm()  local
958 	oldmm = current->mm;  in copy_mm()
959 	if (!oldmm)  in copy_mm()
966 		atomic_inc(&oldmm->mm_users);  in copy_mm()
967 		mm = oldmm;  in copy_mm()