From: Russ Cox <rsc@golang.org>
Date: Wed, 10 Feb 2010 19:31:00 +0000 (-0800)
Subject: runtime: do not zero blocks on free (this time for sure!)
X-Git-Tag: weekly.2010-02-17~41
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=991a968f44010667faf58ce96626ac5b03c12fa2;p=gostls13.git

runtime: do not zero blocks on free (this time for sure!)

R=iant
CC=golang-dev
https://golang.org/cl/207054
---

diff --git a/src/pkg/runtime/malloc.cgo b/src/pkg/runtime/malloc.cgo
index 8c945baebd..53411da1b1 100644
--- a/src/pkg/runtime/malloc.cgo
+++ b/src/pkg/runtime/malloc.cgo
@@ -130,7 +130,6 @@ free(void *v)
 	size = class_to_size[sizeclass];
 	if(size > sizeof(uintptr))
 		((uintptr*)v)[1] = 1;	// mark as "needs to be zeroed"
-	runtime_memclr(v, size);
 	mstats.alloc -= size;
 	mstats.by_size[sizeclass].nfree++;
 	MCache_Free(c, v, sizeclass, size);