On Mon, 27 Apr 2015 14:26:46 +0300 "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > PageTrans* helpers are always-false if THP is disabled compile-time. > It means the fucntion will fail to detect hugetlb pages in this case. > > Let's use PageCompound() instead. With small tweak to how we calculate > next low_pfn it will make function ready to see tail pages. <scratches head> So this patch has no runtime effects at present? It is preparation for something else? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>