On Wed, 2015-06-10 at 14:27 +0800, Wenwei Tao wrote: > Hugetlb VMAs are not mergeable, that means a VMA couldn't have VM_HUGETLB > and > VM_MERGEABLE been set in the same time. So we use VM_HUGETLB to indicate new > mergeable VMAs. Because of that a VMA which has VM_HUGETLB been set is a > hugetlb > VMA only if it doesn't have VM_MERGEABLE been set in the same time.
Eww. If you must overload such bit combinations, please hide it behind a vm_is_hugetlb() function. -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
