project-base/server-skynet-source-3rd-jemalloc
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Always disable redzone by default.

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Always disable redzone by default, even when --enable-debug is
specified.  The memory overhead for redzones can be substantial, which
makes this feature something that should only be opted into.
This commit is contained in:
Jason Evans 2012-04-12 17:09:54 -07:00
parent c751b1c2b0
commit d6abcbb14b
2 changed files with 2 additions and 6 deletions
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4
doc/jemalloc.xml.in
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@ -865,9 +865,7 @@ for (i = 0; i < nbins; i++) {
url="http://http://valgrind.org/">Valgrind</ulink>, which needs
redzones in order to do effective buffer overflow/underflow detection.
This option is intended for debugging and will impact performance
negatively. This option is disabled by default unless
<option>--enable-debug</option> is specified during configuration, in
which case it is enabled by default.</para></listitem>
negatively. This option is disabled by default.</para></listitem>
</varlistentry>
<varlistentry id="opt.zero">

4
src/jemalloc.c
View File

@ -14,17 +14,15 @@ const char *je_malloc_conf JEMALLOC_ATTR(visibility("default"));
bool opt_abort = true;
# ifdef JEMALLOC_FILL
bool opt_junk = true;
bool opt_redzone = true;
# else
bool opt_junk = false;
bool opt_redzone = false;
# endif
#else
bool opt_abort = false;
bool opt_junk = false;
bool opt_redzone = false;
#endif
size_t opt_quarantine = ZU(0);
bool opt_redzone = false;
bool opt_utrace = false;
bool opt_valgrind = false;
bool opt_xmalloc = false;