Messages in this thread | | | Date | Thu, 26 Apr 2007 08:58:40 -0700 | From | William Lee Irwin III <> | Subject | Re: [00/17] Large Blocksize Support V3 |
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On Fri, Apr 27, 2007 at 01:38:30AM +1000, Nick Piggin wrote: > Or good grounds to increase the sg limit and push for io controller > manufacturers to do the same. If we have a hack in the kernel that > mostly works, they won't.
On Fri, Apr 27, 2007 at 01:38:30AM +1000, Nick Piggin wrote: > Page colouring was always rejected, and lots of people who knew > better got upset because it was the only way the hardware would go > fast...
Yes, stunning wisdom there. Reject the speedups.
On Fri, Apr 27, 2007 at 01:38:30AM +1000, Nick Piggin wrote: > You could put it that way. Or that it is wrong because of the > fragmenatation problem. Realise that it is somewhat fundamental > considering that it is basically an unsolvable problem with our > current kernel assumptions of unconstrained kernel allocations and > a 1:1 kernel mapping.
Depends on what you consider a solution. A broadly used criterion is that improves performance significantly in important usage cases.
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