Normalize arena_palloc(), chunk_alloc_mmap_slow(), and chunk_recycle_dss() to use the same algorithm for trimming over-allocation. Add the ALIGNMENT_ADDR2BASE(), ALIGNMENT_ADDR2OFFSET(), and ALIGNMENT_CEILING() macros, and use them where appropriate. Remove the run_size_p parameter from sa2u(). Fix a potential deadlock in chunk_recycle_dss() that was introduced by eae269036c9f702d9fa9be497a1a2aa1be13a29e (Add alignment support to chunk_alloc()).
jemalloc is a general-purpose scalable concurrent malloc(3) implementation. This distribution is a stand-alone "portable" implementation that currently targets FreeBSD, Linux and Apple OS X. jemalloc is included as the default allocator in the FreeBSD and NetBSD operating systems, and it is used by the Mozilla Firefox web browser on Microsoft Windows-related platforms. Depending on your needs, one of the other divergent versions may suit your needs better than this distribution. 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/
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