diff options
Diffstat (limited to 'include/linux/bitmap.h')
| -rw-r--r-- | include/linux/bitmap.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 86dd5502b05..7d8ff97b3e9 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -40,6 +40,8 @@ * bitmap_weight(src, nbits) Hamming Weight: number set bits * 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) + * bitmap_bitremap(oldbit, old, new, nbits) newbit = map(old, new)(oldbit) * bitmap_scnprintf(buf, len, src, nbits) Print bitmap src to buf * bitmap_parse(ubuf, ulen, dst, nbits) Parse bitmap dst from user buf * bitmap_scnlistprintf(buf, len, src, nbits) Print bitmap src as list to buf @@ -104,6 +106,10 @@ extern int bitmap_scnlistprintf(char *buf, unsigned int len, const unsigned long *src, int nbits); extern int bitmap_parselist(const char *buf, unsigned long *maskp, int nmaskbits); +extern void bitmap_remap(unsigned long *dst, const unsigned long *src, + const unsigned long *old, const unsigned long *new, int bits); +extern int bitmap_bitremap(int oldbit, + const unsigned long *old, const unsigned long *new, int bits); 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); |