Re: [00/17] Large Blocksize Support V3

Nick Piggin
2007-04-26T07:45:36Z

Christoph Lameter wrote:
> On Thu, 26 Apr 2007, Nick Piggin wrote:
>
>
>>But I maintain that the end result is better than the fragmentation
>>based approach. A lot of people don't actually want a bigger page
>>cache size, because they want efficient internal fragmentation as
>>well, so your radix-tree based approach isn't really comparable.
>
>
> Me? Radix tree based approach? That approach is in the kernel. Do not
> create a solution where there is no problem. If we do not want to
> support large blocksizes then lets be honest and say so instead of
> redefining what a block is. The current approach is fine if one is
> satisfied with scatter gather and the VM overhead coming with handling
> these pages. I fail to see what any of what you are proposing would add to
> that.

I'm not just making this up. Fragmentation. OK?

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SUSE Labs, Novell Inc.