svn commit: r216625 - head/sys/sparc64/include
Alan Cox
alc at rice.edu
Tue Dec 21 21:44:22 UTC 2010
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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