lkml.org 
[lkml]   [2007]   [Apr]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [00/17] Large Blocksize Support V3
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.


-- wli
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-04-26 18:01    [W:0.263 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site