1 files changed, 25 insertions, 0 deletions
diff --git a/include/memalign.h b/include/memalign.h
new file mode 100644
index 0000000000..f78b9dd9dc
--- /dev/null
+++ b/include/memalign.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __ALIGNMEM_H
+#define __ALIGNMEM_H
+
+/*
+ * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture.  It
+ * is used to align DMA buffers.
+ */
+#ifndef __ASSEMBLY__
+#include <asm/cache.h>
+
+#include <malloc.h>
+
+static inline void *malloc_cache_aligned(size_t size)
+{
+	return memalign(ARCH_DMA_MINALIGN, ALIGN(size, ARCH_DMA_MINALIGN));
+}
+#endif
+
+#endif /* __ALIGNMEM_H */