From 99922aba8bca811f28f0d8e7beed4a0801a82c1c Mon Sep 17 00:00:00 2001
From: Dmitriy Vyukov <dvyukov@google.com>
Date: Mon, 10 Jun 2013 09:16:06 +0400
Subject: [PATCH] runtime: use persistentalloc instead of SysAlloc in GC
 Especially important for Windows because it reserves VM only in multiple of
 64k.

R=golang-dev, alex.brainman
CC=golang-dev
https://golang.org/cl/10082048
---
 src/pkg/runtime/mgc0.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/pkg/runtime/mgc0.c b/src/pkg/runtime/mgc0.c
index 4a386d16b3..547ed9502c 100644
--- a/src/pkg/runtime/mgc0.c
+++ b/src/pkg/runtime/mgc0.c
@@ -1604,9 +1604,7 @@ handlespecial(byte *p, uintptr size)
 	runtime·lock(&finlock);
 	if(finq == nil || finq->cnt == finq->cap) {
 		if(finc == nil) {
-			finc = runtime·SysAlloc(PageSize);
-			if(finc == nil)
-				runtime·throw("runtime: cannot allocate memory");
+			finc = runtime·persistentalloc(PageSize, 0);
 			finc->cap = (PageSize - sizeof(FinBlock)) / sizeof(Finalizer) + 1;
 			finc->alllink = allfin;
 			allfin = finc;