Revert "SLUB: Fix build breakage in linux/mm_types.h"

					 * see PAGE_MAPPING_ANON below.

					 */

	/* Second double word */

	struct {

	union {

		struct {

			pgoff_t index;		/* Our offset within mapping. */

			void *freelist;		/* slub first free object */

		};

		union {

			atomic_t _mapcount;	/* Count of ptes mapped in mms,

							 * to show when page is mapped

							 * & limit reverse map searches.

							 */

			atomic_t _count;		/* Usage count, see below. */

		};

			/* Used for cmpxchg_double in slub */

		struct {			/* SLUB cmpxchg_double area */

			void *freelist;

			union {

				unsigned long counters;

				struct {

					unsigned inuse:16;

					unsigned objects:15;

					unsigned frozen:1;

					/*

					 * Kernel may make use of this field even when slub

					 * uses the rest of the double word!

					 */

					atomic_t _count;

				};

			};

		};

		atomic_t _count;		/* Usage count, see below. */

	};

	/* Third double word block */