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Diffstat (limited to 'src/sys/arch/amd64/cpu/mmu.c')
-rw-r--r--src/sys/arch/amd64/cpu/mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sys/arch/amd64/cpu/mmu.c b/src/sys/arch/amd64/cpu/mmu.c
index 89f53f0..04b43c1 100644
--- a/src/sys/arch/amd64/cpu/mmu.c
+++ b/src/sys/arch/amd64/cpu/mmu.c
@@ -342,7 +342,7 @@ mmu_map_single(struct vm_vas *vas, struct mmu_map *spec, int prot)
* TLB entry.
*/
index = mmu_get_level(spec->va, MMU_TBL);
- pte[index] = pte_flags | spec->pa;
+ pte[index] = (prot == 0) ? 0 : (pte_flags | spec->pa);
__invlpg((void *)spec->va);
return 0;
}