staging/lustre/libcfs: cleanup linux-mem.h

	do { __oldfs = get_fs(); set_fs(get_ds());} while(0)

#define MMSPACE_CLOSE	       set_fs(__oldfs)

/*

 * Shrinker

 */

# define SHRINKER_ARGS(sc, nr_to_scan, gfp_mask)  \

		       struct shrinker *shrinker, \

		       struct shrink_control *sc

# define shrink_param(sc, var) ((sc)->var)

typedef int (*shrinker_t)(SHRINKER_ARGS(sc, nr_to_scan, gfp_mask));

static inline

struct shrinker *set_shrinker(int seek, shrinker_t func)

{

	struct shrinker *s;

	s = kmalloc(sizeof(*s), GFP_KERNEL);

	if (s == NULL)

		return (NULL);

	s->shrink = func;

	s->seeks = seek;

	register_shrinker(s);

	return s;

}

static inline

void remove_shrinker(struct shrinker *shrinker)

{

	if (shrinker == NULL)

		return;

	unregister_shrinker(shrinker);

	kfree(shrinker);

}

#endif /* __LINUX_CFS_MEM_H__ */