Move kstack_cache_entry into the private header, and make the

stack cache list header accessible outside vm_glue.c.

MFC after:	1 week

2 files changed, 45 insertions, 7 deletions

diff --git a/sys/sys/_kstack_cache.h b/sys/sys/_kstack_cache.h
new file mode 100644
index 0000000..5b33734
--- /dev/null
+++ b/sys/sys/_kstack_cache.h
@@ -0,0 +1,43 @@
+/*-
+ * Copyright (c) 2009 Konstantin Belousov <kib@FreeBSD.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	$FreeBSD$
+ */
+
+#ifndef _SYS__KSTACK_CACHE_H
+#define	_SYS__KSTACK_CACHE_H
+
+struct kstack_cache_entry {
+	struct vm_object *ksobj;
+	struct kstack_cache_entry *next_ks_entry;
+};
+
+extern struct kstack_cache_entry *kstack_cache;
+
+#endif
+
+
diff --git a/sys/vm/vm_glue.c b/sys/vm/vm_glue.c
index c552cb7..e4a4bd8 100644
--- a/sys/vm/vm_glue.c
+++ b/sys/vm/vm_glue.c
@@ -77,7 +77,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/vmmeter.h>
 #include <sys/sx.h>
 #include <sys/sysctl.h>
-
+#include <sys/_kstack_cache.h>
 #include <sys/eventhandler.h>
 #include <sys/kernel.h>
 #include <sys/ktr.h>
@@ -331,12 +331,7 @@ vm_sync_icache(vm_map_t map, vm_offset_t va, vm_offset_t sz)
 	pmap_sync_icache(map->pmap, va, sz);
 }
 
-struct kstack_cache_entry {
-	vm_object_t ksobj;
-	struct kstack_cache_entry *next_ks_entry;
-};
-
-static struct kstack_cache_entry *kstack_cache;
+struct kstack_cache_entry *kstack_cache;
 static int kstack_cache_size = 128;
 static int kstacks;
 static struct mtx kstack_cache_mtx;