[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/linux Add stub <linux...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9819f974c0c7
branches:  riastradh-drm2
changeset: 788297:9819f974c0c7
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 03:07:48 2013 +0000

description:
Add stub <linux/shrinker.h>.

Abstraction for the system to request that caches be shrunk.
Currently does nothing.

diffstat:

 sys/external/bsd/drm2/include/linux/shrinker.h |  54 ++++++++++++++++++++++++++
 1 files changed, 54 insertions(+), 0 deletions(-)

diffs (58 lines):

diff -r 5b9626c679c9 -r 9819f974c0c7 sys/external/bsd/drm2/include/linux/shrinker.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/external/bsd/drm2/include/linux/shrinker.h    Wed Jul 24 03:07:48 2013 +0000
@@ -0,0 +1,54 @@
+/*     $NetBSD: shrinker.h,v 1.1.2.1 2013/07/24 03:07:48 riastradh Exp $       */
+
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Taylor R. Campbell.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#ifndef _LINUX_SHRINKER_H_
+#define _LINUX_SHRINKER_H_
+
+struct shrink_control;
+
+struct shrinker {
+       int (*shrink)(struct shrinker *, struct shrink_control *);
+       int seeks;
+};
+
+#define        DEFAULT_SEEKS   2       /* XXX cargo-culted from Linux */
+
+static inline void
+register_shrinker(struct shrinker *shrinker __unused)
+{
+}
+
+static inline void
+unregister_shrinker(struct shrinker *shrinker __unused)
+{
+}
+
+#endif  /* _LINUX_SHRINKER_H_ */