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| author | Jason Evans <jasone@canonware.com> | 2016-05-12 21:51:07 (GMT) |
|---|---|---|
| committer | Jason Evans <jasone@canonware.com> | 2016-05-12 21:53:25 (GMT) |
| commit | f70a254d44c8d30af2cd5d30531fb18fdabaae6d (patch) | |
| tree | 4e226a1bd0d56d742ca0950f69829ed7f0216e62 /src/bitmap.c | |
| parent | e02b83cc5e3c4d30f93dba945162e3aa58d962d6 (diff) | |
| parent | 09f8585ce8a57baa387cc0327e51c0baffbdce6f (diff) | |
| download | jemalloc-4.2.0.zip jemalloc-4.2.0.tar.gz jemalloc-4.2.0.tar.bz2 | |
Merge branch 'dev'4.2.0
Diffstat (limited to 'src/bitmap.c')
| -rw-r--r-- | src/bitmap.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/bitmap.c b/src/bitmap.c index b1e6627..ac0f3b3 100644 --- a/src/bitmap.c +++ b/src/bitmap.c @@ -74,15 +74,11 @@ bitmap_init(bitmap_t *bitmap, const bitmap_info_t *binfo) void bitmap_info_init(bitmap_info_t *binfo, size_t nbits) { - size_t i; assert(nbits > 0); assert(nbits <= (ZU(1) << LG_BITMAP_MAXBITS)); - i = nbits >> LG_BITMAP_GROUP_NBITS; - if (nbits % BITMAP_GROUP_NBITS != 0) - i++; - binfo->ngroups = i; + binfo->ngroups = BITMAP_BITS2GROUPS(nbits); binfo->nbits = nbits; } @@ -99,9 +95,10 @@ bitmap_init(bitmap_t *bitmap, const bitmap_info_t *binfo) size_t extra; memset(bitmap, 0xffU, bitmap_size(binfo)); - extra = (binfo->nbits % (binfo->ngroups * BITMAP_GROUP_NBITS)); + extra = (BITMAP_GROUP_NBITS - (binfo->nbits & BITMAP_GROUP_NBITS_MASK)) + & BITMAP_GROUP_NBITS_MASK; if (extra != 0) - bitmap[binfo->ngroups - 1] >>= (BITMAP_GROUP_NBITS - extra); + bitmap[binfo->ngroups - 1] >>= extra; } #endif /* USE_TREE */ |