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Jason Evans 245ae6036c Support --with-lg-page values larger than actual page size. 
During over-allocation in preparation for creating aligned mappings,
allocate one more page than necessary if PAGE is the actual page size,
so that trimming still succeeds even if the system returns a mapping
that has less than PAGE alignment.  This allows compiling with e.g. 64
KiB "pages" on systems that actually use 4 KiB pages.

Note that for e.g. --with-lg-page=21, it is also necessary to increase
the chunk size (e.g. --with-malloc-conf=lg_chunk:22) so that there are
at least two "pages" per chunk.  In practice this isn't a particularly
compelling configuration because so much (unusable) virtual memory is
dedicated to chunk headers.
2016-04-11 02:35:00 -07:00
bin Pass retain and exclude parameters to /pprof/symbol. 2016-01-29 19:59:06 -08:00
build-aux Use AC_CONFIG_AUX_DIR([build-aux]). 2015-11-12 11:23:39 -08:00
doc Update implementation details docs re: PTRDIFF_MAX. 2016-03-31 12:31:10 -07:00
include Support --with-lg-page values larger than actual page size. 2016-04-11 02:35:00 -07:00
msvc Fix MSVC project 2016-03-24 01:37:12 -07:00
src Support --with-lg-page values larger than actual page size. 2016-04-11 02:35:00 -07:00
test Clean up char vs. uint8_t in junk filling code. 2016-04-11 02:26:35 -07:00
.autom4te.cfg Disable autom4te cache. 2014-09-02 17:49:29 -07:00
.gitattributes fix git handling of newlines on windows 2014-05-07 18:48:39 -04:00
.gitignore Add MS Visual Studio 2015 support 2016-02-20 10:55:23 -08:00
autogen.sh Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
ChangeLog Replace contributor name with github account. 2016-03-07 17:55:55 -08:00
config.stamp.in Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
configure.ac Enable -Wsign-compare warnings. 2016-03-15 09:40:02 -07:00
COPYING Update copyright dates for 2016. 2016-02-28 15:20:40 -08:00
coverage.sh Add test code coverage analysis. 2013-12-06 18:50:51 -08:00
INSTALL Add --with-version. 2016-03-14 20:19:11 -07:00
jemalloc.pc.in Take into account the install suffix that jemalloc was built with in the pkg-config file. 2015-02-13 12:46:19 -08:00
Makefile.in Refactor/fix ph. 2016-04-11 02:15:42 -07:00
README Update README. 2013-10-20 19:38:19 -07:00

README 

jemalloc is a general purpose malloc(3) implementation that emphasizes
fragmentation avoidance and scalable concurrency support.  jemalloc first came
into use as the FreeBSD libc allocator in 2005, and since then it has found its
way into numerous applications that rely on its predictable behavior.  In 2010
jemalloc development efforts broadened to include developer support features
such as heap profiling, Valgrind integration, and extensive monitoring/tuning
hooks.  Modern jemalloc releases continue to be integrated back into FreeBSD,
and therefore versatility remains critical.  Ongoing development efforts trend
toward making jemalloc among the best allocators for a broad range of demanding
applications, and eliminating/mitigating weaknesses that have practical
repercussions for real world applications.

The COPYING file contains copyright and licensing information.

The INSTALL file contains information on how to configure, build, and install
jemalloc.

The ChangeLog file contains a brief summary of changes for each release.

URL: http://www.canonware.com/jemalloc/