SFMMU_SPL_MTX
#define SFMMU_MLSPL_MTX(type, pg) (((type) == SFMMU_SPL_MTX) ? \
return (sfmmu_mlspl_enter(pp, SFMMU_SPL_MTX));
return (sfmmu_mlspl_held(pp, SFMMU_SPL_MTX));