From: Cristy <urban-warrior@imagemagick.org>
Date: Wed, 11 Oct 2017 00:04:20 +0000 (-0400)
Subject: ...
X-Git-Tag: 7.0.7-8~23
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b00a2d7038453c493cf4f11b76c1dbf6160d623e;p=imagemagick

...
---

diff --git a/MagickCore/thread-private.h b/MagickCore/thread-private.h
index 291523470..1430cf0e6 100644
--- a/MagickCore/thread-private.h
+++ b/MagickCore/thread-private.h
@@ -36,7 +36,8 @@ extern "C" {
      (GetImagePixelCacheType(source) == MapCache)) && \
     ((GetImagePixelCacheType(destination) == MemoryCache) || \
      (GetImagePixelCacheType(destination) == MapCache))) ? \
-    MagickMax(1,MagickMin(GetMagickResourceLimit(ThreadResource),(chunk)/64)) : 1)
+    MagickMax(MagickMin(GetMagickResourceLimit(ThreadResource),(chunk)/64),1) :\
+    MagickMax(MagickMin(GetMagickResourceLimit(ThreadResource),2),1))
 
 #if defined(__clang__) || (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ > 10))
 #define MagickCachePrefetch(address,mode,locality) \