On Thu, May 23, 2013 at 06:07:50PM +0100, Steve Capper wrote: > The huge_pte_alloc, huge_pte_offset and follow_huge_p[mu]d > functions in x86/mm/hugetlbpage.c do not rely on any architecture > specific knowledge other than the fact that pmds and puds can be > treated as huge ptes. > > To allow other architectures to use this code (and reduce the need > for code duplication), this patch copies these functions into mm, > replaces the use of pud_large with pud_huge and provides a config > flag to activate them: > CONFIG_ARCH_WANT_GENERAL_HUGETLB > > If CONFIG_ARCH_WANT_HUGE_PMD_SHARE is also active then the > huge_pmd_share code will be called by huge_pte_alloc (othewise we > call pmd_alloc and skip the sharing code). > > Signed-off-by: Steve Capper <steve.capper@xxxxxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
