1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index dcafe0bf0005..7ad634501e48 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -144,7 +144,9 @@ extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
 extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
 extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);
 extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
+extern int bitmap_ord_to_pos(const unsigned long *bitmap, int n, int bits);
 
+#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) % BITS_PER_LONG))
 #define BITMAP_LAST_WORD_MASK(nbits)                                    \
 (                                                                       \
         ((nbits) % BITS_PER_LONG) ?                                     \