PG_KR
newpte = (prot & VM_PROT_WRITE ? PG_KW : PG_KR);
(prot & VM_PROT_WRITE ? PG_KW : PG_KR);
#define PROT_KR (PG_KR >> PROTSHIFT)
ptp[0] = PG_V | ((prot & VM_PROT_WRITE)? PG_KW : PG_KR) |