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Err on the safe side for small memory allocations and provide 4byte

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alignment by default.  Override this to 8byte alignment for alpha and arm
eabi.

Someone (tm) can review this change once the standards and compiler(s)
have sorted themselves out.
This commit is contained in:
skrll 2014-02-05 11:32:15 +00:00
parent e43f79569a
commit 03dbd38792
1 changed files with 9 additions and 3 deletions
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12
lib/libc/stdlib/jemalloc.c
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@ -1,4 +1,4 @@
/* $NetBSD: jemalloc.c,v 1.29 2013/09/12 15:35:15 joerg Exp $ */
/* $NetBSD: jemalloc.c,v 1.30 2014/02/05 11:32:15 skrll Exp $ */
/*-
* Copyright (C) 2006,2007 Jason Evans <jasone@FreeBSD.org>.
@ -118,7 +118,7 @@
#include <sys/cdefs.h>
/* __FBSDID("$FreeBSD: src/lib/libc/stdlib/malloc.c,v 1.147 2007/06/15 22:00:16 jasone Exp $"); */
__RCSID("$NetBSD: jemalloc.c,v 1.29 2013/09/12 15:35:15 joerg Exp $");
__RCSID("$NetBSD: jemalloc.c,v 1.30 2014/02/05 11:32:15 skrll Exp $");
#ifdef __FreeBSD__
#include "libc_private.h"
@ -228,6 +228,7 @@ __strerror_r(int e, char *s, size_t l)
#ifdef __alpha__
# define QUANTUM_2POW_MIN 4
# define SIZEOF_PTR_2POW 3
# define TINY_MIN_2POW 3
# define NO_TLS
#endif
#ifdef __sparc64__
@ -243,6 +244,9 @@ __strerror_r(int e, char *s, size_t l)
# define QUANTUM_2POW_MIN 3
# define SIZEOF_PTR_2POW 2
# define USE_BRK
# ifdef __ARM_EABI__
# define TINY_MIN_2POW 3
# endif
# define NO_TLS
#endif
#ifdef __powerpc__
@ -303,7 +307,9 @@ __strerror_r(int e, char *s, size_t l)
#define CACHELINE ((size_t)(1 << CACHELINE_2POW))
/* Smallest size class to support. */
#define TINY_MIN_2POW 1
#ifndef TINY_MIN_2POW
#define TINY_MIN_2POW 2
#endif
/*
* Maximum size class that is a multiple of the quantum, but not (necessarily)