2.4.19

 kernel

diff -urN linux-2.4.18/kernel/sched.c linux-2.4.19/kernel/sched.c
--- linux-2.4.18/kernel/sched.c   Fri Dec 21 09:42:04 2001
+++ linux-2.4.19/kernel/sched.c   Fri Aug  2 17:39:46 2002
@@ -556,7 +556,7 @@
 
    spin_lock_prefetch(&runqueue_lock);
 
-   if (!current->active_mm) BUG();
+   BUG_ON(!current->active_mm);
 need_resched_back:
    prev = current;
    this_cpu = prev->processor;
@@ -675,12 +675,12 @@
       struct mm_struct *mm = next->mm;
       struct mm_struct *oldmm = prev->active_mm;
       if (!mm) {
-         if (next->active_mm) BUG();
+         BUG_ON(next->active_mm);
          next->active_mm = oldmm;
          atomic_inc(&oldmm->mm_count);
          enter_lazy_tlb(oldmm, next, this_cpu);
       } else {
-         if (next->active_mm != mm) BUG();
+         BUG_ON(next->active_mm != mm);
          switch_mm(oldmm, mm, next, this_cpu);
       }