Set LG_VADDR to 48 on RISC-V.

The Sv48 PTE format is the largest currently defined address space for
RISC-V. It makes no sense to define a larger size and doing so (at
least for 64-bits) forces rtrees down a slow path.

Reviewed by:	vangyzen, jhb, mhorne
Obtained from:	CheriBSD
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D24658

This commit is contained in:

Brooks Davis

2020-05-04 17:16:30 +00:00

parent af5b6f81db

commit ea69bf7f5d

2 changed files with 2 additions and 2 deletions

contrib/jemalloc/FREEBSD-diffs

+1 -1

View File

@@ -233,7 +233,7 @@ index 00000000..b752b0e7
 +#  define LG_SIZEOF_PTR		2
 +#endif
 +#ifdef __riscv
 +#  define LG_VADDR		64
 +#  define LG_VADDR		48
 +#  define LG_SIZEOF_PTR		3
 +#endif
 +

									
										contrib/jemalloc/include/jemalloc/jemalloc_FreeBSD.h
									
		+1
		-1
	
												View File
												
				@@ -68,7 +68,7 @@

				#  define LG_SIZEOF_PTR		2

				#endif

				#ifdef __riscv

				#  define LG_VADDR		64

				#  define LG_VADDR		48

				#  define LG_SIZEOF_PTR		3

				#endif