working forktest under mtrace (disable cow)

e3f5ef60 · Frans Kaashoek · 88f85a85 · e3f5ef60 · e3f5ef60
--- a/param.h
+++ b/param.h
@@ -8,7 +8,7 @@
 #define NDEV         10  // maximum major device number
 #define ROOTDEV       1  // device number of file system root disk
 #define USERTOP  0xA0000 // end of user address space
-#define PHYSTOP  0x1000000 // use phys mem up to here as free pool
+#define PHYSTOP  0x4000000 // use phys mem up to here as free pool
 #define MAXARG       32  // max exec arguments
 #define MAXNAME      16  // max string names
 #define MINCYCTHRESH 1000000  // min cycles a proc executes on a core before allowed to be stolen
--- a/proc.c
+++ b/proc.c
@@ -261,7 +261,7 @@ fork(int flags)
 {
  int i, pid;
  struct proc *np;
-  uint cow = 1;
+  uint cow = 0;
  //  cprintf("%d: fork\n", proc->pid);