mem: add mmap allocator

use it for heaps and fiber stacks.

1 files changed, 8 insertions, 4 deletions

diff --git a/src/heap.c b/src/heap.c
index e93abe3..2473a70 100644
--- a/src/heap.c
+++ b/src/heap.c
@@ -112,12 +112,16 @@ int __tf_heap_grow(struct tf_heap_head *head)
 {
 	void *item;
 
-	if (head->allocated)
+	if (head->allocated) {
+		item = tf_bmem_resize(head->item,
+				head->allocated * sizeof(struct tf_heap_child),
+				2 * head->allocated * sizeof(struct tf_heap_child));
 		head->allocated *= 2;
-	else
-		head->allocated = 128;
+	} else {
+		head->allocated = 4096 / sizeof(struct tf_heap_child);
+		item = tf_bmem_alloc(head->allocated * sizeof(struct tf_heap_child));
+	}
 
-	item = realloc(head->item, head->allocated * sizeof(head->item[0]));
 	if (item == NULL)
 		return -ENOMEM;