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Date:      Tue, 18 Aug 2015 06:35:21 +0200
From:      Jan Beich <jbeich@FreeBSD.org>
To:        Jason Evans <jasone@FreeBSD.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r286866 - in head: contrib/jemalloc contrib/jemalloc/doc contrib/jemalloc/include/jemalloc contrib/jemalloc/include/jemalloc/internal contrib/jemalloc/src include lib/libc/gen lib/libc/...
Message-ID:  <pp2l-jjsm-wny@FreeBSD.org>
In-Reply-To: <201508180021.t7I0LQwE016289@repo.freebsd.org> (Jason Evans's message of "Tue, 18 Aug 2015 00:21:26 %2B0000 (UTC)")
References:  <201508180021.t7I0LQwE016289@repo.freebsd.org>

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Jason Evans <jasone@FreeBSD.org> writes:

> Author: jasone
> Date: Tue Aug 18 00:21:25 2015
> New Revision: 286866
> URL: https://svnweb.freebsd.org/changeset/base/286866
>
> Log:
>   Update jemalloc to version 4.0.0.

Can you bump __FreeBSD_version for non-standard API changes? Some ports
like www/firefox may want to take advantage of it without complicating
configure scripts.

> +  - Add sdallocx(), which implements sized deallocation.  The primary
> +    optimization over dallocx() is the removal of a metadata read, which=
 often
> +    suffers an L1 cache miss.
[...]
>+  - Remove the *allocm() API, which is superseded by the *allocx() API.

Symbol.map and manpages haven't been updated.

  $ nm -D /lib/libc.so.7 | fgrep sdalloc

Index: lib/libc/stdlib/jemalloc/Makefile.inc
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=2D-- lib/libc/stdlib/jemalloc/Makefile.inc	(revision 285602)
+++ lib/libc/stdlib/jemalloc/Makefile.inc	(working copy)
@@ -39,12 +39,8 @@ MLINKS+=3D \
 	jemalloc.3 xallocx.3 \
 	jemalloc.3 sallocx.3 \
 	jemalloc.3 dallocx.3 \
+	jemalloc.3 sdallocx.3 \
 	jemalloc.3 nallocx.3 \
=2D	jemalloc.3 allocm.3 \
=2D	jemalloc.3 rallocm.3 \
=2D	jemalloc.3 sallocm.3 \
=2D	jemalloc.3 dallocm.3 \
=2D	jemalloc.3 nallocm.3 \
 	jemalloc.3 malloc.conf.5
=20
 .if defined(MALLOC_PRODUCTION)
Index: lib/libc/stdlib/jemalloc/Symbol.map
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=2D-- lib/libc/stdlib/jemalloc/Symbol.map	(revision 285602)
+++ lib/libc/stdlib/jemalloc/Symbol.map	(working copy)
@@ -51,6 +51,11 @@ FBSD_1.3 {
 	__nallocm;
 };
=20
+FBSD_1.4 {
+	sdallocx;
+	__sdallocx;
+};
+
 FBSDprivate_1.0 {
 	_malloc_thread_cleanup;
 	_malloc_prefork;

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