diff --git a/kernel/memory.c b/kernel/memory.c
index 51f193b..7fd295a 100644
--- a/kernel/memory.c
+++ b/kernel/memory.c
@@ -55,6 +55,10 @@ void block_free(uint blockidx) {
 	last_block = blockidx;
 }
 
+uint find_free(uint block_count) {
+	// TODO: find a free start block to allocate	
+}
+
 bool check_block_range(uint start, uint end) {
 	bool allowed = true;	
 
@@ -91,8 +95,6 @@ void pm_alloc_range(ulong start, ulong end, bool force) {
 	}
 }
 
-/*
 pointer pm_malloc(uint block_count) {
 	
 }
-*/
diff --git a/kernel/memory.h b/kernel/memory.h
index 770e503..f6fce88 100644
--- a/kernel/memory.h
+++ b/kernel/memory.h
@@ -16,6 +16,8 @@ void mod_bitmap(uint bit, uint flag);
 pointer block_alloc(uint blockidx); // allocate a block
 void block_free(uint blockidx); // free a block
 
+uint find_free(uint block_count);
+
 bool check_block_range(uint start, uint end);
 void pm_alloc_range(ulong start, ulong end, bool force); // allocate a range of memory