76 	unsigned long new_flags = vma->vm_flags;  in madvise_behavior()  local
80 		new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ;  in madvise_behavior()
83 		new_flags = (new_flags & ~VM_RAND_READ) | VM_SEQ_READ;  in madvise_behavior()
86 		new_flags = (new_flags & ~VM_SEQ_READ) | VM_RAND_READ;  in madvise_behavior()
89 		new_flags |= VM_DONTCOPY;  in madvise_behavior()
96 		new_flags &= ~VM_DONTCOPY;  in madvise_behavior()
104 		new_flags |= VM_WIPEONFORK;  in madvise_behavior()
107 		new_flags &= ~VM_WIPEONFORK;  in madvise_behavior()
110 		new_flags |= VM_DONTDUMP;  in madvise_behavior()
113 		if (!is_vm_hugetlb_page(vma) && new_flags & VM_SPECIAL) {  in madvise_behavior()
117 		new_flags &= ~VM_DONTDUMP;  in madvise_behavior()
121 		error = ksm_madvise(vma, start, end, behavior, &new_flags);  in madvise_behavior()
127 		error = hugepage_madvise(vma, &new_flags, behavior);  in madvise_behavior()
133 	if (new_flags == vma->vm_flags) {  in madvise_behavior()
139 	*prev = vma_merge(mm, *prev, start, end, new_flags, vma->anon_vma,  in madvise_behavior()
174 	WRITE_ONCE(vma->vm_flags, new_flags);  in madvise_behavior()