unnecessary

c0c238fb · Nickolai Zeldovich · 8a43ea84 · c0c238fb
--- a/kernel/proc.cc
+++ b/kernel/proc.cc
@@ -409,7 +409,6 @@ growproc(int n)
    if (e->vma_start <= newstart) {
      if (e->vma_end >= newstart + newn) {
        myproc()->brk += n;
-        switchuvm(myproc());
        return 0;
      }

@@ -439,7 +438,6 @@ growproc(int n)
  span.replace(prev, repl);

  myproc()->brk += n;
-  switchuvm(myproc());
  return 0;
 }