import TLSF 2.0 from http://tlsf.baisoku.org/tlsf-2.0.zip

TLSF: Two Level Segregated Fit memory allocator implementation.
Written by Matthew Conte (matt@baisoku.org).
Public Domain, no restrictions.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 52 insertions, 0 deletions

diff --git a/include/tlsf.h b/include/tlsf.h
new file mode 100644
index 0000000000..de7f90b54f
--- /dev/null
+++ b/include/tlsf.h
@@ -0,0 +1,52 @@
+#ifndef INCLUDED_tlsf
+#define INCLUDED_tlsf
+
+/*
+** Two Level Segregated Fit memory allocator, version 1.9.
+** Written by Matthew Conte, and placed in the Public Domain.
+**	http://tlsf.baisoku.org
+**
+** Based on the original documentation by Miguel Masmano:
+**	http://rtportal.upv.es/rtmalloc/allocators/tlsf/index.shtml
+**
+** Please see the accompanying Readme.txt for implementation
+** notes and caveats.
+**
+** This implementation was written to the specification
+** of the document, therefore no GPL restrictions apply.
+*/
+
+#include <stddef.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/* Create/destroy a memory pool. */
+typedef void* tlsf_pool;
+tlsf_pool tlsf_create(void* mem, size_t bytes);
+void tlsf_destroy(tlsf_pool pool);
+
+/* malloc/memalign/realloc/free replacements. */
+void* tlsf_malloc(tlsf_pool pool, size_t bytes);
+void* tlsf_memalign(tlsf_pool pool, size_t align, size_t bytes);
+void* tlsf_realloc(tlsf_pool pool, void* ptr, size_t size);
+void tlsf_free(tlsf_pool pool, void* ptr);
+
+/* Debugging. */
+typedef void (*tlsf_walker)(void* ptr, size_t size, int used, void* user);
+void tlsf_walk_heap(tlsf_pool pool, tlsf_walker walker, void* user);
+/* Returns nonzero if heap check fails. */
+int tlsf_check_heap(tlsf_pool pool);
+
+/* Returns internal block size, not original request size */
+size_t tlsf_block_size(void* ptr);
+
+/* Overhead of per-pool internal structures. */
+size_t tlsf_overhead();
+
+#if defined(__cplusplus)
+};
+#endif
+
+#endif