Fix the same incorrect assumption in replace_vma

Here we already treat the radix tree as the source of truth, so we don't actually care if the VMA has been deleted or not.

Fix the same incorrect assumption in replace_vma
4c59fc07 · Austin Clements · 5e3c72c4 · 4c59fc07
--- a/kernel/vm.cc
+++ b/kernel/vm.cc
@@ -270,9 +270,9 @@ vmap::replace_vma(vma *a, vma *b)
  assert(a->vma_start == b->vma_start);
  assert(a->vma_end == b->vma_end);
  auto span = vmas.search_lock(a->vma_start, a->vma_end - a->vma_start);
+#if VM_CRANGE
  if (a->deleted())
    return false;
-#if VM_CRANGE
  for (auto e: span)
    assert(a == e);
  span.replace(b);