void switchuvm(struct proc*);
void switchkvm(void);
int copyout(pde_t*, uint, void*, uint);
-void clear_pte_u(pde_t *pgdir, char *uva);
+void clearpteu(pde_t *pgdir, char *uva);
// number of elements in fixed-size array
#define NELEM(x) (sizeof(x)/sizeof((x)[0]))
sz = PGROUNDUP(sz);
if((sz = allocuvm(pgdir, sz, sz + 2*PGSIZE)) == 0)
goto bad;
- clear_pte_u(pgdir, (char*)(sz-2*PGSIZE));
+ clearpteu(pgdir, (char*)(sz - 2*PGSIZE));
sp = sz;
// Push argument strings, prepare rest of stack in ustack.
// Clear PTE_U on a page. Used to create an inaccessible
// page beneath the user stack.
void
-clear_pte_u(pde_t *pgdir, char *uva)
+clearpteu(pde_t *pgdir, char *uva)
{
pte_t *pte;
pte = walkpgdir(pgdir, uva, 0);
if(pte == 0)
- panic("clear_pte_u");
+ panic("clearpteu");
*pte &= ~PTE_U;
}