Date: Tue, 21 Dec 2010 15:44:20 -0600 From: Alan Cox <alc@rice.edu> To: Marius Strobl <marius@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r216625 - head/sys/sparc64/include Message-ID: <4D111FB4.1060502@rice.edu> In-Reply-To: <201012212132.oBLLWHGb076057@svn.freebsd.org> References: <201012212132.oBLLWHGb076057@svn.freebsd.org>
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Marius Strobl wrote: > Author: marius > Date: Tue Dec 21 21:32:17 2010 > New Revision: 216625 > URL: http://svn.freebsd.org/changeset/base/216625 > > Log: > Revert r216080 so kmem_map is capped at 3/5 of the currently rather modest > kernel address space in order to leave space for the buffer cache, pipes, > thread stacks, etc on machines with more physical memory until we take > advantage of ASI_ATOMIC_QUAD_LDD_PHYS on CPUs providing it so we don't need > to lock the kernel TSB pages into the dTLB, basically making the entire > 64-bit kernel address space available on relevant machines. > > Submitted by: alc > Thanks! Alan
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