Swap cannot handle compound pages so far. Transparent huge pages are split on the way to swap. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> --- include/linux/page-flags.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index d1d08508984d..9ea90bb8cb89 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -330,7 +330,7 @@ PAGEFLAG_FALSE(HighMem) #endif #ifdef CONFIG_SWAP -PAGEFLAG(SwapCache, swapcache, ANY) +PAGEFLAG(SwapCache, swapcache, NO_COMPOUND) #else PAGEFLAG_FALSE(SwapCache) #endif -- 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>