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| author | David S. Miller <davem@davemloft.net> | 2010-01-05 02:33:22 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-05 02:33:22 +0300 |
| commit | 5958eed76ccc8c361f872829bdc4b8c6dc9cd379 (patch) | |
| tree | 8f8dfcced082db674b0ae3ca3af9fdb6dde59dae /include/linux/bitmap.h | |
| parent | c7c17c2779075e675cb3c7fe2ecde67e226771fb (diff) | |
| parent | c5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff) | |
| download | linux-5958eed76ccc8c361f872829bdc4b8c6dc9cd379.tar.xz | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/linux/bitmap.h')
| -rw-r--r-- | include/linux/bitmap.h | 11 |
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, |