Transparent huge pages can be mlocked -- whole compund page at once. Something went wrong if we're trying to mlock() tail page. Let's use NO_TAIL. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> --- include/linux/page-flags.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 9ea90bb8cb89..a1ecec3f505f 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -340,8 +340,9 @@ PAGEFLAG(Unevictable, unevictable, HEAD) TESTCLEARFLAG(Unevictable, unevictable, HEAD) #ifdef CONFIG_MMU -PAGEFLAG(Mlocked, mlocked, ANY) __CLEARPAGEFLAG(Mlocked, mlocked, ANY) - TESTSCFLAG(Mlocked, mlocked, ANY) __TESTCLEARFLAG(Mlocked, mlocked, ANY) +PAGEFLAG(Mlocked, mlocked, NO_TAIL) __CLEARPAGEFLAG(Mlocked, mlocked, NO_TAIL) + TESTSCFLAG(Mlocked, mlocked, NO_TAIL) + __TESTCLEARFLAG(Mlocked, mlocked, NO_TAIL) #else PAGEFLAG_FALSE(Mlocked) __CLEARPAGEFLAG_NOOP(Mlocked) TESTSCFLAG_FALSE(Mlocked) __TESTCLEARFLAG_FALSE(Mlocked) -- 2.1.4 -- 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>