On Mon, 28 Jul 2014, Naoya Horiguchi wrote: > We have a race condition between move_pages() and freeing hugepages, > where move_pages() calls follow_page(FOLL_GET) for hugepages internally > and tries to get its refcount without preventing concurrent freeing. > This race crashes the kernel, so this patch fixes it by moving FOLL_GET > code for hugepages into follow_huge_pmd() with taking the page table lock. >
What about CONFIG_ARCH_WANT_GENERAL_HUGETLB=n configs? -- 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/
