On Mon, 7 May 2007, Eric W. Biederman wrote:
>> Yes, instead of having to redesign the interface between the
>> fs and the page cache for those filesystems that handle large
>> blocks we instead need to redesign significant parts of the VM interface.
>> Shift the redesign work to another group of people and call it a trivial.
On Mon, May 07, 2007 at 09:06:05AM -0700, Christoph Lameter wrote:
> To some extend that is true. But then there will then also be additional
> gain: We can likely get the VM to handle larger pages too which may get
> rid of hugetlb fs etc. The work is pretty straightforward: No locking
> changes f.e. So hardly a redesign. I think the crucial point is the
> antifrag/defrag issue if we want to generalize it.
Sadly, a backward compatibility stub must be retained in perpetuity.
It should be able to be reduced to the point it doesn't need its own
dedicated source files or config options, but it'll need something to
deal with the arch code.
-- wli
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