Date: Tue, 6 Nov 2012 04:10:32 +0000 (UTC) From: Alfred Perlstein <alfred@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r242655 - head/sys/kern Message-ID: <201211060410.qA64AWC0075490@svn.freebsd.org>
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Author: alfred Date: Tue Nov 6 04:10:32 2012 New Revision: 242655 URL: http://svnweb.freebsd.org/changeset/base/242655 Log: export VM_MIN_KERNEL_ADDRESS and VM_MAX_KERNEL_ADDRESS via sysctl. On several platforms the are determined by too many nested #defines to be easily discernible. This will aid in development of auto-tuning. Modified: head/sys/kern/kern_malloc.c Modified: head/sys/kern/kern_malloc.c ============================================================================== --- head/sys/kern/kern_malloc.c Tue Nov 6 02:43:41 2012 (r242654) +++ head/sys/kern/kern_malloc.c Tue Nov 6 04:10:32 2012 (r242655) @@ -186,6 +186,14 @@ struct { */ static uma_zone_t mt_zone; +static u_long vm_min_kernel_address = VM_MIN_KERNEL_ADDRESS; +SYSCTL_ULONG(_vm, OID_AUTO, min_kernel_address, CTLFLAG_RD, + &vm_min_kernel_address, 0, "Min kernel address"); + +static u_long vm_max_kernel_address = VM_MAX_KERNEL_ADDRESS; +SYSCTL_ULONG(_vm, OID_AUTO, max_kernel_address, CTLFLAG_RD, + &vm_max_kernel_address, 0, "Max kernel address"); + u_long vm_kmem_size; SYSCTL_ULONG(_vm, OID_AUTO, kmem_size, CTLFLAG_RDTUN, &vm_kmem_size, 0, "Size of kernel memory");
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