diff --git a/malloc/.gitignore b/malloc/.gitignore
new file mode 100644
index 00000000..0b2c88d2
--- /dev/null
+++ b/malloc/.gitignore
@@ -0,0 +1,2 @@
+myprogram
+*.o
diff --git a/malloc/includes/malloc.h b/malloc/includes/malloc.h
index b9725805..71aa48e8 100644
--- a/malloc/includes/malloc.h
+++ b/malloc/includes/malloc.h
@@ -2,7 +2,7 @@
 # define MALLOC_H
 
 # define malloc_n			64
-# define malloc_m			512
+# define malloc_m			1024
 # define malloc_N			(1 * getpagesize())
 # define malloc_M			(2 * getpagesize())
 # define malloc_magic		1234567
diff --git a/malloc/libft_malloc_x86_64_Darwin.so b/malloc/libft_malloc_x86_64_Darwin.so
index 4ef82e3d..0242ce53 100755
Binary files a/malloc/libft_malloc_x86_64_Darwin.so and b/malloc/libft_malloc_x86_64_Darwin.so differ
diff --git a/malloc/main.c b/malloc/main.c
index 28cbc7bc..7f8ed0de 100644
--- a/malloc/main.c
+++ b/malloc/main.c
@@ -6,11 +6,11 @@ int		main(void)
 	printf("sizeof(long)=[%lu]\n", sizeof(long));
 	printf("sizeof(t_node)=[%lu]\n", sizeof(t_node));
 
-	void *ptr0 = malloc(16 * sizeof(long));
+	void *ptr0 = malloc(8190 * sizeof(long));
 	show_alloc_mem();
 	printf("\n");
 
-	void *ptr1 = malloc(32 * sizeof(long));
+	void *ptr1 = malloc(300 * sizeof(long));
 	show_alloc_mem();
 	printf("\n");
 
@@ -22,9 +22,9 @@ int		main(void)
 	/* show_alloc_mem(); */
 	/* printf("\n"); */
 
-	free(ptr0);
-	show_alloc_mem();
-	printf("\n");
+	/* free(ptr0); */
+	/* show_alloc_mem(); */
+	/* printf("\n"); */
 
 	free(ptr1);
 	show_alloc_mem();
diff --git a/malloc/myprogram b/malloc/myprogram
deleted file mode 100755
index 23304706..00000000
Binary files a/malloc/myprogram and /dev/null differ
diff --git a/malloc/src/malloc.c b/malloc/src/malloc.c
index 58311c28..b89c8b73 100644
--- a/malloc/src/malloc.c
+++ b/malloc/src/malloc.c
@@ -7,18 +7,22 @@ t_node	*small_alloc = NULL;
 
 t_node	**find_node(t_node **node, size_t size)
 {
-	while (*node && (size_t)(*node)->size < sizeof(t_node) + size)
+	while (*node && (size_t)(*node)->size < size + HEADER_SIZE)
 		node = &(*node)->next;
 	return (node);
 }
 
 void	add_chunk(t_node **node_ref, size_t size)
 {
+	size_t	chunk_size;
+
 	while (*node_ref)
 		node_ref = &(*node_ref)->next;
-	*node_ref = mmap(NULL, malloc_N, PROT_READ|PROT_WRITE,
+	chunk_size = TINY(size) ? malloc_N : malloc_M;
+	printf("chunk_size=[%zu]\n", chunk_size);
+	*node_ref = mmap(NULL, (chunk_size +1) * 8, PROT_READ|PROT_WRITE,
 				MAP_ANON|MAP_PRIVATE, -1, 0);
-	(*node_ref)->size = TINY(size) ? malloc_N : malloc_M;
+	(*node_ref)->size = chunk_size;
 	(*node_ref)->next = NULL;
 }