diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-22 06:06:51 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-22 06:06:51 +0200 |
commit | 8b53b57576292b92b27769f9e213df19b6e57786 (patch) | |
tree | cd851ce4fa71b2653f120d7f11a9c6cbcf311b19 /lib/bitmap.c | |
parent | ab7e79243746e2a9c5f00243e60108189c44c9eb (diff) | |
parent | 38cc1c3df77c1bb739a4766788eb9fa49f16ffdf (diff) |
Merge branch 'x86/urgent' into x86/pat
Conflicts:
arch/x86/mm/pageattr.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/bitmap.c')
-rw-r--r-- | lib/bitmap.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index 482df94ea21..06fb57c86de 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -316,6 +316,17 @@ int bitmap_scnprintf(char *buf, unsigned int buflen, EXPORT_SYMBOL(bitmap_scnprintf); /** + * bitmap_scnprintf_len - return buffer length needed to convert + * bitmap to an ASCII hex string + * @nr_bits: number of bits to be converted + */ +int bitmap_scnprintf_len(unsigned int nr_bits) +{ + unsigned int nr_nibbles = ALIGN(nr_bits, 4) / 4; + return nr_nibbles + ALIGN(nr_nibbles, CHUNKSZ / 4) / (CHUNKSZ / 4) - 1; +} + +/** * __bitmap_parse - convert an ASCII hex string into a bitmap. * @buf: pointer to buffer containing string. * @buflen: buffer size in bytes. If string is smaller than this |