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34c538c356
Plenty of allocation sites pass M_ZERO and sizes which are small and known at compilation time. Handling them internally in malloc loses this information and results in avoidable calls to memset. Instead, let the compiler take the advantage of it whenever possible. Discussed with: jeff
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/*-
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* Copyright (c) 2014-2015 Allan Jude <allanjude@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _ZSTD_FREEBSD_STDLIB_H_
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#define _ZSTD_FREEBSD_STDLIB_H_
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#ifdef _KERNEL
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#include <sys/malloc.h>
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MALLOC_DECLARE(M_ZSTD);
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#undef malloc
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#define malloc(x) (malloc)((x), M_ZSTD, M_WAITOK)
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#define free(x) (free)((x), M_ZSTD)
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#define calloc(a, b) (mallocarray)((a), (b), M_ZSTD, M_WAITOK | M_ZERO)
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#endif /* _KERNEL */
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#endif /* _ZSTD_FREEBSD_STDLIB_H_ */
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