PG_pinned and PG_savepinned are about page table's pages which are never compound. I'm not so sure about PG_foreign, but it seems we shouldn't see compound pages there too. Let's use NO_COMPOUND for all of them. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> --- include/linux/page-flags.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index d41c63b566b8..19373c98d08a 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -282,9 +282,12 @@ PAGEFLAG(Active, active, HEAD) __CLEARPAGEFLAG(Active, active, HEAD) __PAGEFLAG(Slab, slab, NO_TAIL) __PAGEFLAG(SlobFree, slob_free, NO_TAIL) PAGEFLAG(Checked, checked, NO_COMPOUND) /* Used by some filesystems */ -PAGEFLAG(Pinned, pinned, ANY) TESTSCFLAG(Pinned, pinned, ANY) /* Xen */ -PAGEFLAG(SavePinned, savepinned, ANY); /* Xen */ -PAGEFLAG(Foreign, foreign, ANY); /* Xen */ + +/* Xen */ +PAGEFLAG(Pinned, pinned, NO_COMPOUND) TESTSCFLAG(Pinned, pinned, NO_COMPOUND) +PAGEFLAG(SavePinned, savepinned, NO_COMPOUND) +PAGEFLAG(Foreign, foreign, NO_COMPOUND) + PAGEFLAG(Reserved, reserved, ANY) __CLEARPAGEFLAG(Reserved, reserved, ANY) PAGEFLAG(SwapBacked, swapbacked, ANY) __CLEARPAGEFLAG(SwapBacked, swapbacked, ANY) -- 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>