On Mon, 4 Nov 2013 12:41:52 +0200 (EET) "Kirill A. Shutemov" <[email protected]> wrote:
> Kirill A. Shutemov wrote: > > Matthew noticed that hugetlb doesn't participate in ASLR on x86-64. > > The reason is genereic hugetlb_get_unmapped_area() which is used on > > x86-64. It doesn't support randomization and use bottom-up unmapped area > > lookup, instead of usual top-down on x86-64. > > > > x86 has arch-specific hugetlb_get_unmapped_area(), but it's used only on > > x86-32. > > > > Let's use arch-specific hugetlb_get_unmapped_area() on x86-64 too. > > It fixes the issue and make hugetlb use top-down unmapped area lookup. > > > > Signed-off-by: Kirill A. Shutemov <[email protected]> > > Cc: Matthew Wilcox <[email protected]> > > Andrew, any comments? whome? I'm convinced, but it's an x86 patch. I tossed it in there so it gets a bit of linux-next exposure. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
