From c56cf90db43bda1173190b3a3986704d48c3580a Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Wed, 30 May 2018 20:04:57 +0200
Subject: [PATCH] ethash: use numcpu instead of maxprocs

---
 consensus/ethash/consensus.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/consensus/ethash/consensus.go b/consensus/ethash/consensus.go
index 99eec82211..659d1683fd 100644
--- a/consensus/ethash/consensus.go
+++ b/consensus/ethash/consensus.go
@@ -98,7 +98,7 @@ func (ethash *Ethash) VerifyHeaders(chain consensus.ChainReader, headers []*type
 	}
 
 	// Spawn as many workers as allowed threads
-	workers := runtime.GOMAXPROCS(0)
+	workers := runtime.NumCPU()
 	if len(headers) < workers {
 		workers = len(headers)
 	}