X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fcore.h;h=3f05cd5bc2c64f7cea94638982a1b8c753064371;hb=0285aa5ff8416027932daa001b84429be2ca559b;hp=57df1cbc8c878932094f8b2940a7888bbe506641;hpb=7a79c7338b8c8fb6d84a275d7c0e51ce93150059;p=sbcl.git

diff --git a/src/runtime/core.h b/src/runtime/core.h
index 57df1cb..3f05cd5 100644
--- a/src/runtime/core.h
+++ b/src/runtime/core.h
@@ -31,6 +31,16 @@ struct ndir_entry {
 #endif
 };
 
+/* Tri-state flag to determine whether we attempt to mark pages
+ * as targets for virtual memory deduplication (ala MADV_MERGEABLE
+ * on Linux).
+ *
+ * 1: Yes
+ * 0: No
+ * -1: default, yes for compressed cores, no otherwise.
+ */
+extern int merge_core_pages;
+
 extern lispobj load_core_file(char *file, os_vm_offset_t offset);
 extern os_vm_offset_t search_for_embedded_core(char *file);