diff options
| author | Guilherme Goncalves <guilherme.p.gonc@gmail.com> | 2014-12-08 21:12:41 (GMT) |
|---|---|---|
| committer | Jason Evans <jasone@canonware.com> | 2014-12-15 01:07:26 (GMT) |
| commit | 2c5cb613dfbdf58f88152321b63e60c58cd23972 (patch) | |
| tree | 9c32a6519cb435203141d19a0c0f60fa111803e0 /doc | |
| parent | b74041fb6e279bd8bbc133250241249f90cd619f (diff) | |
| download | jemalloc-2c5cb613dfbdf58f88152321b63e60c58cd23972.zip jemalloc-2c5cb613dfbdf58f88152321b63e60c58cd23972.tar.gz jemalloc-2c5cb613dfbdf58f88152321b63e60c58cd23972.tar.bz2 | |
Introduce two new modes of junk filling: "alloc" and "free".
In addition to true/false, opt.junk can now be either "alloc" or "free",
giving applications the possibility of junking memory only on allocation
or deallocation.
This resolves #172.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/jemalloc.xml.in | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/doc/jemalloc.xml.in b/doc/jemalloc.xml.in index 71b4cd1..0148f03 100644 --- a/doc/jemalloc.xml.in +++ b/doc/jemalloc.xml.in @@ -930,18 +930,20 @@ for (i = 0; i < nbins; i++) { <varlistentry id="opt.junk"> <term> <mallctl>opt.junk</mallctl> - (<type>bool</type>) + (<type>const char *</type>) <literal>r-</literal> [<option>--enable-fill</option>] </term> - <listitem><para>Junk filling enabled/disabled. If enabled, each byte - of uninitialized allocated memory will be initialized to - <literal>0xa5</literal>. All deallocated memory will be initialized to - <literal>0x5a</literal>. This 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 unless running - inside <ulink + <listitem><para>Junk filling. If set to "alloc", each byte of + uninitialized allocated memory will be initialized to + <literal>0xa5</literal>. If set to "free", all deallocated memory will + be initialized to <literal>0x5a</literal>. If set to "true", both + allocated and deallocated memory will be initialized, and if set to + "false", junk filling be disabled entirely. This is intended for + debugging and will impact performance negatively. This option is + "false" by default unless <option>--enable-debug</option> is specified + during configuration, in which case it is "true" by default unless + running inside <ulink url="http://valgrind.org/">Valgrind</ulink>.</para></listitem> </varlistentry> |