diff --git a/payloads/libpayload/include/stdlib.h b/payloads/libpayload/include/stdlib.h
index e129cd1..cb9addf 100644
--- a/payloads/libpayload/include/stdlib.h
+++ b/payloads/libpayload/include/stdlib.h
@@ -137,6 +137,7 @@
 void init_dma_memory(void *start, u32 size);
 int dma_initialized(void);
 int dma_coherent(const void *ptr);
+void dma_allocator_range(void **start_out, size_t *size_out);
 
 static inline void *xmalloc_work(size_t size, const char *file,
 				 const char *func, int line)
diff --git a/payloads/libpayload/libc/malloc.c b/payloads/libpayload/libc/malloc.c
index 1fc2ef1..f8a9ddf 100644
--- a/payloads/libpayload/libc/malloc.c
+++ b/payloads/libpayload/libc/malloc.c
@@ -123,6 +123,18 @@
 	return !dma_initialized() || (dma->start <= ptr && dma->end > ptr);
 }
 
+/* Get the range of memory that can be allocated by the dma allocator. */
+void dma_allocator_range(void **start_out, size_t *size_out)
+{
+	if (dma_initialized()) {
+		*start_out = dma->start;
+		*size_out = dma->end - dma->start;
+	} else {
+		*start_out = NULL;
+		*size_out = 0;
+	}
+}
+
 /* Find free block of size >= len */
 static hdrtype_t volatile *find_free_block(int len, struct memory_type *type)
 {