On Wed, Jun 01, 2011 at 06:58:09PM +0100, Mel Gorman wrote: > Umm, HIGHMEM4G implies a two-level pagetable layout so where are > things like _PAGE_BIT_SPLITTING being set when THP is enabled? They should be set on the pgd, pud_offset/pgd_offset will just bypass. The splitting bit shouldn't be special about it, the present bit should work the same. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>