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

This commit is contained in:

Edward Tomasz Napierala

2020-03-31 13:48:06 +00:00

parent 7fcbecd004

commit 568f01f6c3

1 changed files with 4 additions and 0 deletions

									
										contrib/jemalloc/include/jemalloc/jemalloc_FreeBSD.h
									
		+4
		
												View File
												
				@@ -72,6 +72,10 @@

				#  define LG_SIZEOF_PTR		3

				#endif

				#if LG_VADDR > 32

				#  define JEMALLOC_RETAIN

				#endif

				#ifndef JEMALLOC_TLS_MODEL

				#  define JEMALLOC_TLS_MODEL	/* Default. */

				#endif