From abcac97f8202d91b61ae4846794ba60166a56cfe Mon Sep 17 00:00:00 2001
From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Mon, 24 May 2021 18:43:33 +0000
Subject: [PATCH] LinuxKPI: add kfree_sensitive() using zfree().

Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks
Reviewed by:	hselasky
Differential Revision: https://reviews.freebsd.org/D30437
---
 sys/compat/linuxkpi/common/include/linux/slab.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/slab.h b/sys/compat/linuxkpi/common/include/linux/slab.h
index 9494d458e87c..8d5eb3e85e96 100644
--- a/sys/compat/linuxkpi/common/include/linux/slab.h
+++ b/sys/compat/linuxkpi/common/include/linux/slab.h
@@ -198,6 +198,12 @@ kfree(const void *ptr)
 	free(__DECONST(void *, ptr), M_KMALLOC);
 }
 
+static __inline void
+kfree_sensitive(const void *ptr)
+{
+	zfree(__DECONST(void *, ptr), M_KMALLOC);
+}
+
 static inline size_t
 ksize(const void *ptr)
 {