diff options
Diffstat (limited to 'kernel/vm.c')
| -rw-r--r-- | kernel/vm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/vm.c b/kernel/vm.c index c5da0c1..3004bb3 100644 --- a/kernel/vm.c +++ b/kernel/vm.c @@ -301,7 +301,8 @@ freewalk(pagetable_t pagetable) void uvmfree(pagetable_t pagetable, uint64 sz) { - uvmunmap(pagetable, 0, sz, 1); + if(sz > 0) + uvmunmap(pagetable, 0, sz, 1); freewalk(pagetable); } |