X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Flinux%2Fpage-flags.h;h=5a743cc87238a7d31b009b2e7d2845f5a5703b54;hb=e9da73d67729b58bba256123e2b4651e0d8a01ac;hp=4805fdec8d6ebb85301d087dbc862443694cc195;hpb=a826e422420b461a6247137c292ff83c4800354a;p=mv-sheeva.git diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 4805fdec8d6..5a743cc8723 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -107,6 +107,9 @@ enum pageflags { #endif #ifdef CONFIG_MEMORY_FAILURE PG_hwpoison, /* hardware poisoned page. Don't touch */ +#endif +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + PG_compound_lock, #endif __NR_PAGEFLAGS, @@ -397,6 +400,12 @@ static inline void __ClearPageTail(struct page *page) #define __PG_MLOCKED 0 #endif +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +#define __PG_COMPOUND_LOCK (1 << PG_compound_lock) +#else +#define __PG_COMPOUND_LOCK 0 +#endif + /* * Flags checked when a page is freed. Pages being freed should not have * these flags set. It they are, there is a problem. @@ -406,7 +415,8 @@ static inline void __ClearPageTail(struct page *page) 1 << PG_private | 1 << PG_private_2 | \ 1 << PG_buddy | 1 << PG_writeback | 1 << PG_reserved | \ 1 << PG_slab | 1 << PG_swapcache | 1 << PG_active | \ - 1 << PG_unevictable | __PG_MLOCKED | __PG_HWPOISON) + 1 << PG_unevictable | __PG_MLOCKED | __PG_HWPOISON | \ + __PG_COMPOUND_LOCK) /* * Flags checked when a page is prepped for return by the page allocator.