svn commit: r216625 - head/sys/sparc64/include

Alan Cox alc at
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:
> 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



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