Re: please revert bogus patch to vmscan.c

Benjamin LaHaise
2001-10-29T23:57:30Z

On Mon, Oct 29, 2001 at 03:55:59PM -0800, David S. Miller wrote:
> Doing range flushes is not the answer. It is going to be about
> the same cost as doing per-page flushes.
>
> The cost is doing the cross calls at all, not the granularity in which
> we do them.
>
> You're refusing to do any work to prove whether your case matters
> at all in real life, and you're calling other people assholes for
> asking that you do so.

See Paul's message. ia64 does the same thing with hardware walked hashed
page tables. Now, do you want to pay for the 2 days of time you want me
to commit to investigating something which is obvious to me? I don't think
so.

-ben