From 7643dd70a4dfa5fd874300a7161c24b808d6b134 Mon Sep 17 00:00:00 2001 From: Jean-Sébastien Pédron Date: Mon, 13 Apr 2026 00:23:06 +0200 Subject: linuxkpi: Add `kmemdup_array()` It is similar to `kmemdup()` but takes a number of elements to duplicate and their size. The i915 DRM driver started to use it in Linux 6.12. Reviewed by: bz Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D56444 --- sys/compat/linuxkpi/common/include/linux/string.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'sys') diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index 8ca20df27792..ad2b2fe7d377 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -98,6 +98,12 @@ kmemdup(const void *src, size_t len, gfp_t gfp) return (dst); } +static inline void * +kmemdup_array(const void *src, size_t count, size_t element_size, gfp_t gfp) +{ + return (kmemdup(src, size_mul(count, element_size), gfp)); +} + /* See slab.h for kvmalloc/kvfree(). */ static inline void * kvmemdup(const void *src, size_t len, gfp_t gfp) -- cgit v1.3