diff options
Diffstat (limited to 'sys/src/9/pc64/mmu.c')
| -rw-r--r-- | sys/src/9/pc64/mmu.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/src/9/pc64/mmu.c b/sys/src/9/pc64/mmu.c index 1c406ecc6..a475d53e9 100644 --- a/sys/src/9/pc64/mmu.c +++ b/sys/src/9/pc64/mmu.c @@ -415,7 +415,7 @@ mmurelease(Proc *proc) proc->mmucount += proc->kmapcount; proc->kmaphead = proc->kmaptail = nil; - proc->kmapcount = 0; + proc->kmapcount = proc->kmapindex = 0; } mmufree(proc); taskswitch((uintptr)m+MACHSIZE); @@ -469,13 +469,13 @@ kmap(Page *page) return (KMap*)KADDR(pa); x = splhi(); - va = KMAP + ((uintptr)m->kmapindex << PGSHIFT); + va = KMAP + ((uintptr)up->kmapindex << PGSHIFT); pte = mmuwalk(m->pml4, va, 0, 1); if(pte == 0 || *pte & PTEVALID) panic("kmap: pa=%#p va=%#p", pa, va); *pte = pa | PTEWRITE|PTEVALID; - m->kmapindex = (m->kmapindex + 1) % (1<<PTSHIFT); - if(m->kmapindex == 0) + up->kmapindex = (up->kmapindex + 1) % (1<<PTSHIFT); + if(up->kmapindex == 0) mmuflushtlb(); splx(x); return (KMap*)va; |