diff options
Diffstat (limited to 'sys/alpha/alpha/pmap.c')
| -rw-r--r-- | sys/alpha/alpha/pmap.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/sys/alpha/alpha/pmap.c b/sys/alpha/alpha/pmap.c index 515dbb3..26861a2 100644 --- a/sys/alpha/alpha/pmap.c +++ b/sys/alpha/alpha/pmap.c @@ -747,8 +747,6 @@ pmap_extract(pmap_t pmap, vm_offset_t va) vm_paddr_t pa; pa = 0; - if (pmap == NULL) - return (pa); PMAP_LOCK(pmap); pte = pmap_lev3pte(pmap, va); if (pte != NULL && pmap_pte_v(pte)) @@ -771,8 +769,6 @@ pmap_extract_and_hold(pmap_t pmap, vm_offset_t va, vm_prot_t prot) vm_page_t m; m = NULL; - if (pmap == NULL) - return (m); vm_page_lock_queues(); PMAP_LOCK(pmap); pte = pmap_lev3pte(pmap, va); @@ -1468,9 +1464,6 @@ pmap_remove(pmap_t pmap, vm_offset_t sva, vm_offset_t eva) { vm_offset_t va, nva; - if (pmap == NULL) - return; - /* * Perform an unsynchronized read. This is, however, safe. */ @@ -1586,9 +1579,6 @@ pmap_protect(pmap_t pmap, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) pt_entry_t* pte; int newprot; - if (pmap == NULL) - return; - if ((prot & VM_PROT_READ) == VM_PROT_NONE) { pmap_remove(pmap, sva, eva); return; @@ -1681,9 +1671,6 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot, vm_page_t mpte; int managed; - if (pmap == NULL) - return; - va &= ~PAGE_MASK; #ifdef PMAP_DIAGNOSTIC if (va > VM_MAX_KERNEL_ADDRESS) @@ -1965,9 +1952,6 @@ pmap_change_wiring(pmap, va, wired) { pt_entry_t *pte; - if (pmap == NULL) - return; - PMAP_LOCK(pmap); pte = pmap_lev3pte(pmap, va); |
