Date: Fri, 17 Jul 2015 13:58:01 +0000 (UTC) From: Zbigniew Bodek <zbb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r285653 - head/sys/arm64/include Message-ID: <201507171358.t6HDw1Bc008709@repo.freebsd.org>
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Author: zbb Date: Fri Jul 17 13:58:00 2015 New Revision: 285653 URL: https://svnweb.freebsd.org/changeset/base/285653 Log: 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 Modified: head/sys/arm64/include/vmparam.h Modified: head/sys/arm64/include/vmparam.h ============================================================================== --- head/sys/arm64/include/vmparam.h Fri Jul 17 09:00:38 2015 (r285652) +++ head/sys/arm64/include/vmparam.h Fri Jul 17 13:58:00 2015 (r285653) @@ -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)
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