aboutsummaryrefslogtreecommitdiff
path: root/include/linux/kmemleak.h
diff options
context:
space:
mode:
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-12 16:53:38 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-12 16:53:38 +1000
commitbc47ab0241c7c86da4f5e5f82fbca7d45387c18d (patch)
treeb9c33ae8b6de43e44cc5fcbaa3e4a15f18a5ed42 /include/linux/kmemleak.h
parent37f9ef553bed630957e025504cdcbc76f5de49d5 (diff)
parent8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff)
Merge commit 'origin/master' into next
Manual merge of: arch/powerpc/kernel/asm-offsets.c
Diffstat (limited to 'include/linux/kmemleak.h')
-rw-r--r--include/linux/kmemleak.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h
new file mode 100644
index 00000000000..7796aed6cdd
--- /dev/null
+++ b/include/linux/kmemleak.h
@@ -0,0 +1,96 @@
+/*
+ * include/linux/kmemleak.h
+ *
+ * Copyright (C) 2008 ARM Limited
+ * Written by Catalin Marinas <catalin.marinas@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __KMEMLEAK_H
+#define __KMEMLEAK_H
+
+#ifdef CONFIG_DEBUG_KMEMLEAK
+
+extern void kmemleak_init(void);
+extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
+ gfp_t gfp);
+extern void kmemleak_free(const void *ptr);
+extern void kmemleak_padding(const void *ptr, unsigned long offset,
+ size_t size);
+extern void kmemleak_not_leak(const void *ptr);
+extern void kmemleak_ignore(const void *ptr);
+extern void kmemleak_scan_area(const void *ptr, unsigned long offset,
+ size_t length, gfp_t gfp);
+extern void kmemleak_no_scan(const void *ptr);
+
+static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
+ int min_count, unsigned long flags,
+ gfp_t gfp)
+{
+ if (!(flags & SLAB_NOLEAKTRACE))
+ kmemleak_alloc(ptr, size, min_count, gfp);
+}
+
+static inline void kmemleak_free_recursive(const void *ptr, unsigned long 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, unsigned long flags,
+ gfp_t gfp)
+{
+}
+static inline void kmemleak_free(const void *ptr)
+{
+}
+static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags)
+{
+}
+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, unsigned long offset,
+ size_t length, gfp_t gfp)
+{
+}
+static inline void kmemleak_erase(void **ptr)
+{
+}
+static inline void kmemleak_no_scan(const void *ptr)
+{
+}
+
+#endif /* CONFIG_DEBUG_KMEMLEAK */
+
+#endif /* __KMEMLEAK_H */