diff options
| -rw-r--r-- | i386/intel/pmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/i386/intel/pmap.c b/i386/intel/pmap.c index d15e2418..6218b27a 100644 --- a/i386/intel/pmap.c +++ b/i386/intel/pmap.c @@ -1713,7 +1713,7 @@ void pmap_remove( pt_entry_t *pde = pmap_pde(map, s); l = (s + PDE_MAPPED_SIZE) & ~(PDE_MAPPED_SIZE-1); - if (l > e) + if (l > e || l < s) l = e; if (pde && (*pde & INTEL_PTE_VALID)) { spte = (pt_entry_t *)ptetokv(*pde); @@ -1948,7 +1948,7 @@ void pmap_protect( pt_entry_t *pde = pde = pmap_pde(map, s); l = (s + PDE_MAPPED_SIZE) & ~(PDE_MAPPED_SIZE-1); - if (l > e) + if (l > e || l < s) l = e; if (pde && (*pde & INTEL_PTE_VALID)) { spte = (pt_entry_t *)ptetokv(*pde); |