linux-master/mm/memory.c

625 			if (!is_cow_mapping(vma->vm_flags))
678 			if (!is_cow_mapping(vma->vm_flags))
816 				is_cow_mapping(vm_flags)) {
857 		    is_cow_mapping(vm_flags)) {
872 		VM_BUG_ON(!is_cow_mapping(src_vma->vm_flags));
942 	if (is_cow_mapping(src_vma->vm_flags) && pte_write(pte)) {
1373 	 * is_cow_mapping() returns true.
1375 	is_cow = is_cow_mapping(src_vma->vm_flags);
2370 	BUG_ON((vma->vm_flags & VM_PFNMAP) && is_cow_mapping(vma->vm_flags));
2624 	if (is_cow_mapping(vma->vm_flags)) {
5625 		if (!is_cow_mapping(vma->vm_flags))
5633 				 !is_cow_mapping(vma->vm_flags)))