Oops - forgot to write this in acme.

Reference: /n/sources/patch/applied/oventi-tags1
Date: Tue Sep 18 16:44:53 CES 2007
Signed-off-by: rsc@swtch.com

--- /sys/src/liboventi/plan9-io.c	Tue Sep 18 16:44:44 2007
+++ /sys/src/liboventi/plan9-io.c	Tue Sep 18 16:44:44 2007
@@ -25,6 +25,7 @@
 	p = malloc(size);
 	if(p == 0)
 		vtFatal("vtMemAlloc: out of memory");
+	setmalloctag(p, getcallerpc(&size));
 	return p;
 }
 
@@ -33,6 +34,7 @@
 {
 	void *p = vtMemAlloc(size);
 	memset(p, 0, size);
+	setmalloctag(p, getcallerpc(&size));
 	return p;
 }
 
@@ -44,6 +46,7 @@
 	p = realloc(p, size);
 	if(p == 0)
 		vtFatal("vtRealloc: out of memory");
+	setrealloctag(p, getcallerpc(&size));
 	return p;
 }
 
@@ -69,6 +72,7 @@
 	pad = (align - (uintptr)buf) & (align-1);
 	if(n + pad > nbuf) {
 		buf = vtMemAllocZ(ChunkSize);
+		setmalloctag(buf, getcallerpc(&n));
 		nbuf = ChunkSize;
 		pad = (align - (uintptr)buf) & (align-1);
 		nchunk++;