From d5dfc8ad004a6adf04ad9e7bd49fa2e353dec053 Mon Sep 17 00:00:00 2001 From: Zbigniew Bodek Date: Fri, 17 Jul 2015 13:58:00 +0000 Subject: [PATCH] Increase DMAP (Direct Map) size on ARM64 Previous DMAP size was too small for systems with more than 64GB of RAM. Increase it to 128GB to support ThunderX CRB. Reviewed by: andrew Obtained from: Semihalf Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D3113 --- sys/arm64/include/vmparam.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/arm64/include/vmparam.h b/sys/arm64/include/vmparam.h index 9a2d6e544596..8ad602994e48 100644 --- a/sys/arm64/include/vmparam.h +++ b/sys/arm64/include/vmparam.h @@ -156,9 +156,9 @@ #define VM_MIN_KERNEL_ADDRESS (0xffffff8000000000UL) #define VM_MAX_KERNEL_ADDRESS (0xffffff8800000000UL) -/* Direct Map for 64 GiB of PA: 0x0 - 0xfffffffff */ +/* Direct Map for 128 GiB of PA: 0x0 - 0x1fffffffff */ #define DMAP_MIN_ADDRESS (0xffffffc000000000UL) -#define DMAP_MAX_ADDRESS (0xffffffcfffffffffUL) +#define DMAP_MAX_ADDRESS (0xffffffdfffffffffUL) #define DMAP_MIN_PHYSADDR (0x0000000000000000UL) #define DMAP_MAX_PHYSADDR (DMAP_MAX_ADDRESS - DMAP_MIN_ADDRESS)