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Ignore attempts to pmap_kremove or pmap_qremove pages which do not have

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a valid mapping.  This is bug for bug compatible with other platforms.
This commit is contained in:
Jake Burkholder 2003-04-06 15:14:24 +00:00
parent 48b2d0650d
commit 3e9a6ab3a1
1 changed files with 2 additions and 0 deletions
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2
sys/sparc64/sparc64/pmap.c
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@ -892,6 +892,8 @@ pmap_kremove(vm_offset_t va)
tp = tsb_kvtotte(va);
CTR3(KTR_PMAP, "pmap_kremove: va=%#lx tp=%p data=%#lx", va, tp,
tp->tte_data);
if ((tp->tte_data & TD_V) == 0)
return;
m = PHYS_TO_VM_PAGE(TTE_GET_PA(tp));
TAILQ_REMOVE(&m->md.tte_list, tp, tte_link);
pmap_cache_remove(m, va);