Author: scottph Date: Wed Aug 26 02:13:27 2020 New Revision: 364798 URL: https://svnweb.freebsd.org/changeset/base/364798
Log: 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 Modified: head/sys/arm64/include/vmparam.h Modified: head/sys/arm64/include/vmparam.h ============================================================================== --- head/sys/arm64/include/vmparam.h Wed Aug 26 02:12:15 2020 (r364797) +++ head/sys/arm64/include/vmparam.h Wed Aug 26 02:13:27 2020 (r364798) @@ -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) _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
