Squash commits for public release

kernel/include/algo/bitmap.h

@@ -0,0 +1,20 @@
+#ifndef _KERNEL_ALGO_BITMAP_H
+#define _KERNEL_ALGO_BITMAP_H
+
+#include <libkern/types.h>
+
+struct bitmap {
+    uint8_t* data;
+    size_t len;
+};
+typedef struct bitmap bitmap_t;
+
+bitmap_t bitmap_wrap(uint8_t* data, size_t len);
+bitmap_t bitmap_allocate(size_t len);
+int bitmap_find_space(bitmap_t bitmap, int req);
+int bitmap_find_space_aligned(bitmap_t bitmap, int req, int alignment);
+int bitmap_set(bitmap_t bitmap, int where);
+int bitmap_unset(bitmap_t bitmap, int where);
+int bitmap_set_range(bitmap_t bitmap, int start, int len);
+int bitmap_unset_range(bitmap_t bitmap, int start, int len);
+#endif //_KERNEL_ALGO_BITMAP_H