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Message-ID: <169199901230.1782217.9803098171993981037.stgit@dwillia2-xfh.jf.intel.com>
Date: Mon, 14 Aug 2023 00:43:32 -0700
From: Dan Williams <dan.j.williams@...el.com>
To: linux-coco@...ts.linux.dev
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/5] mm/slab: Add __free() support for kvfree
Allow for the declaration of variables that trigger kvfree() when they
go out of scope.
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Dan Williams <dan.j.williams@...el.com>
---
include/linux/slab.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 848c7c82ad5a..241025367943 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -746,6 +746,8 @@ static inline __alloc_size(1, 2) void *kvcalloc(size_t n, size_t size, gfp_t fla
extern void *kvrealloc(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
__realloc_size(3);
extern void kvfree(const void *addr);
+DEFINE_FREE(kvfree, void *, if (_T) kvfree(_T))
+
extern void kvfree_sensitive(const void *addr, size_t len);
unsigned int kmem_cache_size(struct kmem_cache *s);
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