SWD_KEY_SHIFT     144 uvm/uvm_swap.c #define SWD_KEY(x,y)		&((x)->swd_keys[((y) - (x)->swd_drumoffset) >> SWD_KEY_SHIFT])
SWD_KEY_SHIFT     349 uvm/uvm_swap.c 	sdp->swd_keys = malloc((npages >> SWD_KEY_SHIFT) * sizeof(struct swap_key),
SWD_KEY_SHIFT     351 uvm/uvm_swap.c 	memset(sdp->swd_keys, 0, (npages >> SWD_KEY_SHIFT) * sizeof(struct swap_key));