git: 5d4470e6466e - stable/13 - linuxkpi: Add mmu_context.h

The branch stable/13 has been updated by manu:

URL: https://cgit.FreeBSD.org/src/commit/?id=5d4470e6466e17df04bc6d4c929412a4bceb592f

commit 5d4470e6466e17df04bc6d4c929412a4bceb592f
Author:     Emmanuel Vadot <manu@FreeBSD.org>
AuthorDate: 2022-06-23 07:53:55 +0000
Commit:     Emmanuel Vadot <manu@FreeBSD.org>
CommitDate: 2022-09-07 15:09:02 +0000

    linuxkpi: Add mmu_context.h
    
    Provide dummy functions needed for drm-kmod.
    
    Reviewed by:    bz
    MFC after:      1 week
    Sponsored by:   Beckhoff Automation GmbH & Co. KG
    Differential Revision:  https://reviews.freebsd.org/D35566
    
    (cherry picked from commit a95f28800a0169d7cfbfb9aabc5ae9410c20ecd1)
---
 .../linuxkpi/common/include/linux/mmu_context.h    | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/mmu_context.h b/sys/compat/linuxkpi/common/include/linux/mmu_context.h
new file mode 100644
index 000000000000..afcc9cf07249
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/mmu_context.h
@@ -0,0 +1,45 @@
+/*-
+ * Copyright (c) 2018 Johannes Lundberg <johalun0@gmail.com>
+ *
+ * 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 unmodified, 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 AUTHOR ``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 AUTHOR 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 _LINUXKPI_LINUX_MMU_CONTEXT_H_
+#define	_LINUXKPI_LINUX_MMU_CONTEXT_H_
+
+struct mm_struct;
+
+static inline void
+use_mm(struct mm_struct *mm)
+{
+	/* NOP is deliberate */
+}
+
+static inline void
+unuse_mm(struct mm_struct *mm)
+{
+	/* NOP is deliberate */
+}
+
+#endif	/* _LINUXKPI_LINUX_MMU_CONTEXT_H_ */