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Remove unused typedefs

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This commit is contained in:
Frans Kaashoek 2018-10-02 09:06:41 -04:00
parent ec110149ed
commit 343080f7ae
2 changed files with 5 additions and 7 deletions
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2
mmu.h
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@ -118,8 +118,6 @@ struct segdesc {
#ifndef __ASSEMBLER__
typedef uint64 pml4e_t;
typedef uint64 pdpe_t;
typedef uint64 pte_t;
struct taskstate {

10
vm.c
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@ -67,18 +67,18 @@ static pte_t *
walkpgdir(pde_t *pml4, const void *va, int alloc)
{
pde_t *pgtab = pml4;
pde_t *pde;
pde_t *pte;
int level;
for (level = L_PML4; level > 0; level--) {
pde = &pgtab[PX(level, va)];
if(*pde & PTE_P)
pgtab = (pte_t*)P2V(PTE_ADDR(*pde));
pte = &pgtab[PX(level, va)];
if(*pte & PTE_P)
pgtab = (pte_t*)P2V(PTE_ADDR(*pte));
else {
if(!alloc || (pgtab = (pte_t*)kalloc()) == 0)
return 0;
memset(pgtab, 0, PGSIZE);
*pde = V2P(pgtab) | PTE_P | PTE_W | PTE_U;
*pte = V2P(pgtab) | PTE_P | PTE_W | PTE_U;
}
}
return &pgtab[PX(level, va)];