The branch main has been updated by bz:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=0a4b11ddb298fa08e1a81af7337995a3769552bf

commit 0a4b11ddb298fa08e1a81af7337995a3769552bf
Author:     Bjoern A. Zeeb <[email protected]>
AuthorDate: 2025-10-11 09:22:26 +0000
Commit:     Bjoern A. Zeeb <[email protected]>
CommitDate: 2025-10-21 07:49:38 +0000

    LinuxKPI: add __counted_by_le() and __counted_by_be()
    
    The former is needed by a wireless driver at v6.17.
    
    MFC after:      3 days
    Reviewed by:    dumbbell, emaste
    Differential Revision: https://reviews.freebsd.org/D53203
---
 sys/compat/linuxkpi/common/include/linux/compiler.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/compiler.h 
b/sys/compat/linuxkpi/common/include/linux/compiler.h
index 948396144ad6..4146c829b936 100644
--- a/sys/compat/linuxkpi/common/include/linux/compiler.h
+++ b/sys/compat/linuxkpi/common/include/linux/compiler.h
@@ -31,6 +31,7 @@
 #define        _LINUXKPI_LINUX_COMPILER_H_
 
 #include <sys/cdefs.h>
+#include <sys/endian.h>
 
 #define __user
 #define __kernel
@@ -79,6 +80,13 @@
 #else
 #define        __counted_by(_x)
 #endif
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define        __counted_by_le(_x)             __counted_by(_x)
+#define        __counted_by_be(_x)
+#else
+#define        __counted_by_le(_x)
+#define        __counted_by_be(_x)             __counted_by(_x)
+#endif
 
 #define        likely(x)                       __builtin_expect(!!(x), 1)
 #define        unlikely(x)                     __builtin_expect(!!(x), 0)

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