1 files changed, 121 insertions, 0 deletions
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h
new file mode 100644
index 000000000..6a3cd1bf4
--- /dev/null
+++ b/include/linux/kmemleak.h
@@ -0,0 +1,121 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * include/linux/kmemleak.h
+ *
+ * Copyright (C) 2008 ARM Limited
+ * Written by Catalin Marinas <catalin.marinas@arm.com>
+ */
+
+#ifndef __KMEMLEAK_H
+#define __KMEMLEAK_H
+
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#ifdef CONFIG_DEBUG_KMEMLEAK
+
+extern void kmemleak_init(void) __init;
+extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
+			   gfp_t gfp) __ref;
+extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
+				  gfp_t gfp) __ref;
+extern void kmemleak_vmalloc(const struct vm_struct *area, size_t size,
+			     gfp_t gfp) __ref;
+extern void kmemleak_free(const void *ptr) __ref;
+extern void kmemleak_free_part(const void *ptr, size_t size) __ref;
+extern void kmemleak_free_percpu(const void __percpu *ptr) __ref;
+extern void kmemleak_update_trace(const void *ptr) __ref;
+extern void kmemleak_not_leak(const void *ptr) __ref;
+extern void kmemleak_ignore(const void *ptr) __ref;
+extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref;
+extern void kmemleak_no_scan(const void *ptr) __ref;
+extern void kmemleak_alloc_phys(phys_addr_t phys, size_t size,
+				gfp_t gfp) __ref;
+extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref;
+extern void kmemleak_ignore_phys(phys_addr_t phys) __ref;
+
+static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
+					    int min_count, slab_flags_t flags,
+					    gfp_t gfp)
+{
+	if (!(flags & SLAB_NOLEAKTRACE))
+		kmemleak_alloc(ptr, size, min_count, gfp);
+}
+
+static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
+{
+	if (!(flags & SLAB_NOLEAKTRACE))
+		kmemleak_free(ptr);
+}
+
+static inline void kmemleak_erase(void **ptr)
+{
+	*ptr = NULL;
+}
+
+#else
+
+static inline void kmemleak_init(void)
+{
+}
+static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count,
+				  gfp_t gfp)
+{
+}
+static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
+					    int min_count, slab_flags_t flags,
+					    gfp_t gfp)
+{
+}
+static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
+					 gfp_t gfp)
+{
+}
+static inline void kmemleak_vmalloc(const struct vm_struct *area, size_t size,
+				    gfp_t gfp)
+{
+}
+static inline void kmemleak_free(const void *ptr)
+{
+}
+static inline void kmemleak_free_part(const void *ptr, size_t size)
+{
+}
+static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
+{
+}
+static inline void kmemleak_free_percpu(const void __percpu *ptr)
+{
+}
+static inline void kmemleak_update_trace(const void *ptr)
+{
+}
+static inline void kmemleak_not_leak(const void *ptr)
+{
+}
+static inline void kmemleak_ignore(const void *ptr)
+{
+}
+static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
+{
+}
+static inline void kmemleak_erase(void **ptr)
+{
+}
+static inline void kmemleak_no_scan(const void *ptr)
+{
+}
+static inline void kmemleak_alloc_phys(phys_addr_t phys, size_t size,
+				       gfp_t gfp)
+{
+}
+static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size)
+{
+}
+static inline void kmemleak_ignore_phys(phys_addr_t phys)
+{
+}
+
+#endif	/* CONFIG_DEBUG_KMEMLEAK */
+
+#endif	/* __KMEMLEAK_H */