1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 756d78b8c1c5..daf8c480c786 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -42,6 +42,9 @@
  * bitmap_empty(src, nbits)                     Are all bits zero in *src?
  * bitmap_full(src, nbits)                      Are all bits set in *src?
  * bitmap_weight(src, nbits)                    Hamming Weight: number set bits
+ * bitmap_set(dst, pos, nbits)                  Set specified bit area
+ * bitmap_clear(dst, pos, nbits)                Clear specified bit area
+ * bitmap_find_next_zero_area(buf, len, pos, n, mask)   Find bit free area
  * bitmap_shift_right(dst, src, n, nbits)       *dst = *src >> n
  * bitmap_shift_left(dst, src, n, nbits)        *dst = *src << n
  * bitmap_remap(dst, src, old, new, nbits)      *dst = map(old, new)(src)
@@ -108,6 +111,14 @@ extern int __bitmap_subset(const unsigned long *bitmap1,
                         const unsigned long *bitmap2, int bits);
 extern int __bitmap_weight(const unsigned long *bitmap, int bits);
 
+extern void bitmap_set(unsigned long *map, int i, int len);
+extern void bitmap_clear(unsigned long *map, int start, int nr);
+extern unsigned long bitmap_find_next_zero_area(unsigned long *map,
+                                         unsigned long size,
+                                         unsigned long start,
+                                         unsigned int nr,
+                                         unsigned long align_mask);
+
 extern int bitmap_scnprintf(char *buf, unsigned int len,
                         const unsigned long *src, int nbits);
 extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user,