git: 1456816425c3 - main - LinuxKPI: Import linux/ratelimit.h

The branch main has been updated by wulf:

URL: https://cgit.FreeBSD.org/src/commit/?id=1456816425c35ab1ded97f9b53f17c87ae4a701f

commit 1456816425c35ab1ded97f9b53f17c87ae4a701f
Author:     Vladimir Kondratyev <wulf@FreeBSD.org>
AuthorDate: 2021-12-08 21:05:56 +0000
Commit:     Vladimir Kondratyev <wulf@FreeBSD.org>
CommitDate: 2022-01-10 19:49:38 +0000

    LinuxKPI: Import linux/ratelimit.h
    
    Required by drm-kmod.
    
    Obtained from:  OpenBSD
    MFC after:      1 week
    Reviewed by:    manu
    Differential Revision:  https://reviews.freebsd.org/D33560
---
 sys/compat/linuxkpi/common/include/linux/ratelimit.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/ratelimit.h b/sys/compat/linuxkpi/common/include/linux/ratelimit.h
new file mode 100644
index 000000000000..a3991a06e6f0
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/ratelimit.h
@@ -0,0 +1,17 @@
+/* Public domain. */
+
+#ifndef _LINUX_RATELIMIT_H
+#define _LINUX_RATELIMIT_H
+
+struct ratelimit_state {
+};
+
+#define DEFINE_RATELIMIT_STATE(name, interval, burst) \
+	int name __used = 1;
+
+#define __ratelimit(x)	(1)
+
+#define ratelimit_state_init(x, y, z)
+#define ratelimit_set_flags(x, y)
+
+#endif