diff options
Diffstat (limited to 'usr/src/lib/libc/port/threads/alloc.c')
| -rw-r--r-- | usr/src/lib/libc/port/threads/alloc.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/usr/src/lib/libc/port/threads/alloc.c b/usr/src/lib/libc/port/threads/alloc.c index 1751e76708..5851212ad4 100644 --- a/usr/src/lib/libc/port/threads/alloc.c +++ b/usr/src/lib/libc/port/threads/alloc.c @@ -20,12 +20,9 @@ */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. */ -#pragma ident "%Z%%M% %I% %E% SMI" - #include "lint.h" #include "thr_uberdata.h" #include <sys/syscall.h> @@ -148,10 +145,14 @@ initial_allocation(bucket_t *bp) /* &__uberdata.bucket[0] */ ASSERT(((caddr_t)ptr - (caddr_t)base + 4 * SUBCHUNKSIZE) == BASE_SIZE); } +/* + * This highbit code is the same as the code in fls_impl(). + * We inline it here for speed. + */ static int getbucketnum(size_t size) { - int highbit = 0; + int highbit = 1; if (size-- <= MINSIZE) return (0); @@ -171,8 +172,8 @@ getbucketnum(size_t size) if (size & 0x2) highbit += 1; - ASSERT(highbit >= MINSHIFT); - return (highbit - (MINSHIFT - 1)); + ASSERT(highbit > MINSHIFT); + return (highbit - MINSHIFT); } void * |