xv6

commit af03ab142de8c68ad56a829e39e8faee9db252d3
parent b364c4b88156919949aa6f3c805efae009e7459b
Author: Frans Kaashoek <kaashoek@31-34-210.wireless.csail.mit.edu>
Date:   Fri, 23 Jul 2010 12:52:50 -0400

a few nits
passes all tests on two-processor smp

Diffstat:
M
bio.c
 | 
1
-
M
exec.c
 | 
2
+-
M
kalloc.c
 | 
2
--

3 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/bio.c b/bio.c
@@ -109,7 +109,6 @@ bread(uint dev, uint sector)
 void
 bwrite(struct buf *b)
 {
-  cprintf("bwrite sector %d\n", b->sector);
   if((b->flags & B_BUSY) == 0)
     panic("bwrite");
   b->flags |= B_DIRTY;
diff --git a/exec.c b/exec.c
@@ -102,7 +102,7 @@ exec(char *path, char **argv)
   return 0;
 
  bad:
-  freevm(pgdir);
+  if (pgdir) freevm(pgdir);
   iunlockput(ip);
   return -1;
 }
diff --git a/kalloc.c b/kalloc.c
@@ -111,8 +111,6 @@ kalloc(int n)
     }
   }
   release(&kmem.lock);
-
-  cprintf("kalloc: out of memory\n");
   return 0;
 }