On Fri, Sep 30, 2011 at 03:36:14PM +0900, Masao Uebayashi wrote:
>
> - is there any architecture which allows MP with different cache-line sizes?
At a guess, this can probably happen on an SGI Challenge (a real Challenge,
that is, a DM, L, or XL, not a "Challenge S"). It is possible it can also
On Fri, Sep 30, 2011 at 1:13 PM, matthew green wrote:
>
>> The current code seems to allow to change uvmexp.ncolors at
>> configure() -> cpu_attach() -> uvm_page_recolor(). I think changing
>> uvmexp.ncolors after uvm_init() is too late, and allocating such
>> fundamental data like page freelist
> The current code seems to allow to change uvmexp.ncolors at
> configure() -> cpu_attach() -> uvm_page_recolor(). I think changing
> uvmexp.ncolors after uvm_init() is too late, and allocating such
> fundamental data like page freelist buckets that late is best to
> avoid.
>
> How about:
>
> -
The current code seems to allow to change uvmexp.ncolors at
configure() -> cpu_attach() -> uvm_page_recolor(). I think changing
uvmexp.ncolors after uvm_init() is too late, and allocating such
fundamental data like page freelist buckets that late is best to
avoid.
How about:
- determine cache si