Date: Wed, 22 Apr 2026 18:10:22 +0000 From: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron <dumbbell@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 7643dd70a4df - main - linuxkpi: Add `kmemdup_array()` Message-ID: <69e90f0e.4412f.4d1a9975@gitrepo.freebsd.org>
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The branch main has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=7643dd70a4dfa5fd874300a7161c24b808d6b134 commit 7643dd70a4dfa5fd874300a7161c24b808d6b134 Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2026-04-12 22:23:06 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2026-04-22 18:09:54 +0000 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(+) 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)home | help
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