malloc(9) doesn't currently allow to define a type without adding it
to the link set for boot time kmem init.  This creates an extra #ifdef
_LKM and a separate code path for those subsystems which run their own
init routine at attach-time anyway and could call malloc_type_attach()
un-#ifdef'd.

So I propose MALLOC_JUSTDEFINE, which defines the type but doesn't add
it to the link set.  Any opposed?

Index: mallocvar.h
===================================================================
RCS file: /cvsroot/src/sys/sys/mallocvar.h,v
retrieving revision 1.5
diff -u -r1.5 mallocvar.h
--- mallocvar.h 27 Aug 2006 22:20:42 -0000      1.5
+++ mallocvar.h 27 Mar 2007 09:17:36 -0000
@@ -60,7 +60,7 @@
 };
 
 #ifdef _KERNEL
-#define        MALLOC_DEFINE_LIMIT(type, shortdesc, longdesc, limit)          \
+#define        MALLOC_JUSTDEFINE_LIMIT(type, shortdesc, longdesc, limit)      \
 struct malloc_type type[1] = {                                         \
        { NULL, M_MAGIC, shortdesc,                                     \
          0, /* ks_inuse */                                             \
@@ -72,8 +72,14 @@
          limit, /* ks_limit */                                         \
          0, /* ks_size */                                              \
          0, /* ks_spare */ }                                           \
-};                                                                     \
-__link_set_add_data(malloc_types, type)
+};
+
+#define        MALLOC_JUSTDEFINE(type, shortdesc, longdesc)                   \
+       MALLOC_JUSTDEFINE_LIMIT(type, shortdesc, longdesc, 0)
+
+#define        MALLOC_DEFINE_LIMIT(type, shortdesc, longdesc, limit)          \
+       MALLOC_JUSTDEFINE_LIMIT(type, shortdesc, longdesc, limit)       \
+       __link_set_add_data(malloc_types, type)
 
 #define        MALLOC_DEFINE(type, shortdesc, longdesc)                       \
        MALLOC_DEFINE_LIMIT(type, shortdesc, longdesc, 0)

-- 
Antti Kantee <pooka@iki.fi>                     Of course he runs NetBSD
http://www.iki.fi/pooka/                          http://www.NetBSD.org/
    "la qualité la plus indispensable du cuisinier est l'exactitude"