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Make jemalloc(3) default to retain:true on 64-bit platforms,
like it already does on Linux and OSX. This results in significantly fewer calls to mmap(2). This should result in a small reduction in system CPU time and improved superpage usage. Reviewed by: markj Tested by: markj MFC after: 2 weeks Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D23874
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=359481
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@ -72,6 +72,10 @@
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# define LG_SIZEOF_PTR 3
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#endif
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#if LG_VADDR > 32
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# define JEMALLOC_RETAIN
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#endif
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#ifndef JEMALLOC_TLS_MODEL
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# define JEMALLOC_TLS_MODEL /* Default. */
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#endif
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