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| author | D Scott Phillips <scottph@FreeBSD.org> | 2020-08-26 02:13:27 +0000 |
|---|---|---|
| committer | D Scott Phillips <scottph@FreeBSD.org> | 2020-08-26 02:13:27 +0000 |
| commit | d4d2928a3fc688c04d9a03c8a95bc96537d2c64b (patch) | |
| tree | 41d3bcd388f7d88fefb5f7123a2f43501d29ca36 | |
| parent | dd6fd1d4307247432272a10521ea19a70bb157bb (diff) | |
| download | src-d4d2928a3fc688c04d9a03c8a95bc96537d2c64b.tar.gz src-d4d2928a3fc688c04d9a03c8a95bc96537d2c64b.zip | |
arm64: Increase dmap size to 95 TiB
The Ampere Altra has physical memory populated sparsely within the
physical address space. Increase the size of the dmap to cover all
physical memory.
Reviewed by: andrew
Approved by: scottl (implicit)
MFC after: 1 week
Sponsored by: Ampere Computing, Inc.
Differential Revision: https://reviews.freebsd.org/D26134
Notes
Notes:
svn path=/head/; revision=364798
| -rw-r--r-- | sys/arm64/include/vmparam.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arm64/include/vmparam.h b/sys/arm64/include/vmparam.h index a534dff0299c..96b46e575483 100644 --- a/sys/arm64/include/vmparam.h +++ b/sys/arm64/include/vmparam.h @@ -156,8 +156,8 @@ #define VM_MIN_KERNEL_ADDRESS (0xffff000000000000UL) #define VM_MAX_KERNEL_ADDRESS (0xffff008000000000UL) -/* 2 TiB maximum for the direct map region */ -#define DMAP_MIN_ADDRESS (0xfffffd0000000000UL) +/* 95 TiB maximum for the direct map region */ +#define DMAP_MIN_ADDRESS (0xffffa00000000000UL) #define DMAP_MAX_ADDRESS (0xffffff0000000000UL) #define DMAP_MIN_PHYSADDR (dmap_phys_base) |