diff --git a/src/util/vma.c b/src/util/vma.c
index 2afeb23fd81..a91bd471f7d 100644
--- a/src/util/vma.c
+++ b/src/util/vma.c
@@ -352,6 +352,16 @@ util_vma_heap_free(struct util_vma_heap *heap,
    util_vma_heap_validate(heap);
 }
 
+uint64_t
+util_vma_heap_get_max_free_continuous_size(struct util_vma_heap *heap)
+{
+   if (list_is_empty(&heap->holes))
+      return 0;
+
+   struct util_vma_hole *top_hole = list_first_entry(&heap->holes, struct util_vma_hole, link);
+   return top_hole->size;
+}
+
 void
 util_vma_heap_print(struct util_vma_heap *heap, FILE *fp,
                     const char *tab, uint64_t total_size)
diff --git a/src/util/vma.h b/src/util/vma.h
index 31d312e932a..cd3e4244af1 100644
--- a/src/util/vma.h
+++ b/src/util/vma.h
@@ -66,6 +66,8 @@ bool util_vma_heap_alloc_addr(struct util_vma_heap *heap,
 void util_vma_heap_free(struct util_vma_heap *heap,
                         uint64_t offset, uint64_t size);
 
+uint64_t util_vma_heap_get_max_free_continuous_size(struct util_vma_heap *heap);
+
 void util_vma_heap_print(struct util_vma_heap *heap, FILE *fp,
                          const char *tab, uint64_t total_size);