Re: [patch] x86, mm: pass in 'total' to __copy_from_user_*nocache()

[Ingo Molnar]

* Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:

> > It might be wrong on the principle though, so will revert it 
> > if needed, before it spreads into too many topics.
> 
> I would say if Linus didn't like it, revert it.
> 
> Do you use NFS with 1500 byte packets with a high speed 
> network and really fast disks (or ramdisk)? Then maybe you can 
> measure vectored write speedup with your patch over Salman's 
> more basic one :)

Can you suggest some other workload that should show sensitivity 
to this detail too? Like a simple write() loop of non-4K-sized 
files or so?

	Ingo
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