runtime: fix counting of free objects

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6206056

diff --git a/src/pkg/runtime/malloc.goc b/src/pkg/runtime/malloc.goc
index 4bea5e220c46e90f889eb405075823d750ac5cd1..c2727bf2b4fa7c23252cd3ec005750344632ab4a 100644 (file)
--- a/src/pkg/runtime/malloc.goc
+++ b/src/pkg/runtime/malloc.goc
@@ -154,6 +154,7 @@ runtime·free(void *v)
                c->local_by_size[sizeclass].nfree++;
                runtime·MCache_Free(c, v, sizeclass, size);
        }
+       c->local_nfree++;
        c->local_alloc -= size;
        if(prof)
                runtime·MProf_Free(v, size);