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diff --git a/sys/compat/linuxkpi/common/include/linux/smp.h b/sys/compat/linuxkpi/common/include/linux/mman.h
copy from sys/compat/linuxkpi/common/include/linux/smp.h
copy to sys/compat/linuxkpi/common/include/linux/mman.h
--- a/sys/compat/linuxkpi/common/include/linux/smp.h
+++ b/sys/compat/linuxkpi/common/include/linux/mman.h
@@ -1,5 +1,7 @@
/*-
- * Copyright (c) 2017 Mark Johnston <markj@FreeBSD.org>
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2022 Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
@@ -22,30 +24,15 @@
* 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_SMP_H_
-#define _LINUXKPI_LINUX_SMP_H_
+#ifndef _LINUX_MMAN_H
+#define _LINUX_MMAN_H
/*
- * Important note about the use of the function provided below:
- *
- * The callback function passed to on_each_cpu() is called from a
- * so-called critical section, and if you need a mutex you will have
- * to rewrite the code to use native FreeBSD mtx spinlocks instead of
- * the spinlocks provided by the LinuxKPI! Be very careful to not call
- * any LinuxKPI functions inside the on_each_cpu()'s callback
- * function, because they may sleep, unlike in native Linux.
- *
- * Enabling witness(4) when testing, can catch such issues.
+ * In Linux, <linux/mman.h> includes <linux/percpu_counter.h>, which includes
+ * <linux/smp.h>.
*/
-#define on_each_cpu(cb, data, wait) ({ \
- CTASSERT(wait); \
- linux_on_each_cpu(cb, data); \
-})
-
-extern int linux_on_each_cpu(void (*)(void *), void *);
+#include <linux/smp.h>
-#endif /* _LINUXKPI_LINUX_SMP_H_ */
+#endif /* _LINUX_MMAN_H */
diff --git a/sys/compat/linuxkpi/common/include/linux/smp.h b/sys/compat/linuxkpi/common/include/linux/smp.h
--- a/sys/compat/linuxkpi/common/include/linux/smp.h
+++ b/sys/compat/linuxkpi/common/include/linux/smp.h
@@ -29,6 +29,8 @@
#ifndef _LINUXKPI_LINUX_SMP_H_
#define _LINUXKPI_LINUX_SMP_H_
+#include <asm/smp.h>
+
/*
* Important note about the use of the function provided below:
*

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