diff options
| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-28 14:06:39 -0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-28 14:06:39 -0400 |
| commit | f28e71617ddaf2483e3e5c5237103484a303743f (patch) | |
| tree | 67627d2d8ddbf6a4449371e9261d796c013b1fa1 /include/linux/bitmap.h | |
| parent | dc6a78f1af10d28fb8c395034ae1e099b85c05b0 (diff) | |
| parent | a39727f212426b9d5f9267b3318a2afaf9922d3b (diff) | |
Merge ../linux-2.6/
Conflicts:
drivers/scsi/aacraid/comminit.c
Fixed up by removing the now renamed CONFIG_IOMMU option from
aacraid
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include/linux/bitmap.h')
| -rw-r--r-- | include/linux/bitmap.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index d9ed2796985..dcc5de7cc48 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -24,6 +24,9 @@ * The available bitmap operations and their rough meaning in the * case that the bitmap is a single unsigned long are thus: * + * Note that nbits should be always a compile time evaluable constant. + * Otherwise many inlines will generate horrible code. + * * bitmap_zero(dst, nbits) *dst = 0UL * bitmap_fill(dst, nbits) *dst = ~0UL * bitmap_copy(dst, src, nbits) *dst = *src @@ -244,6 +247,8 @@ static inline int bitmap_full(const unsigned long *src, int nbits) static inline int bitmap_weight(const unsigned long *src, int nbits) { + if (nbits <= BITS_PER_LONG) + return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits)); return __bitmap_weight(src, nbits); } |