X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fruntime%2Fgencgc-alloc-region.h;h=f209205d17ce874de28161f78844e6d9769d0f35;hb=35ab27e7aab71c94aa6be12da15603c7fd87fca8;hp=752c821dbd6b39dea29808ffb6a745b3de24a8b3;hpb=1eb303172df6650de51ad12b993a392681f50c50;p=sbcl.git

diff --git a/src/runtime/gencgc-alloc-region.h b/src/runtime/gencgc-alloc-region.h
index 752c821..f209205 100644
--- a/src/runtime/gencgc-alloc-region.h
+++ b/src/runtime/gencgc-alloc-region.h
@@ -3,6 +3,10 @@
 
 #include "gc.h"
 
+#ifndef LISP_FEATURE_GENCGC
+#error "gencgc-alloc-region.h included, but LISP_FEATURE_GENCGC not defined"
+#endif
+
 /* Abstract out the data for an allocation region allowing a single
  * routine to be used for allocation and closing. */
 struct alloc_region {
@@ -12,8 +16,8 @@ struct alloc_region {
     void  *end_addr; /* pointer to the byte after the last usable byte */
 
     /* These are needed when closing the region. */
-    long  first_page;
-    long  last_page;
+    page_index_t  first_page;
+    page_index_t  last_page;
     void  *start_addr;
 };