PM_PSHIFT_OFFSET  512 fs/proc/task_mmu.c #define PM_PSHIFT_MASK      (((1LL << PM_PSHIFT_BITS) - 1) << PM_PSHIFT_OFFSET)
PM_PSHIFT_OFFSET  513 fs/proc/task_mmu.c #define PM_PSHIFT(x)        (((u64) (x) << PM_PSHIFT_OFFSET) & PM_PSHIFT_MASK)
PM_PSHIFT_OFFSET  514 fs/proc/task_mmu.c #define PM_PFRAME_MASK      ((1LL << PM_PSHIFT_OFFSET) - 1)