Re: please revert bogus patch to vmscan.c

[Benjamin LaHaise]

On Mon, Oct 29, 2001 at 03:14:22PM -0800, David S. Miller wrote:
>    From: Benjamin LaHaise <[e-mail]>
>    Date: Mon, 29 Oct 2001 18:08:37 -0500
> 
>    is completely bogus.  Without the tlb flush, the system may never update 
>    the accessed bit on a page that is heavily being used.
> 
> It's intentional Ben, think about the high cost of the SMP invalidate
> when kswapd is just scanning page tables.

I think it's far more expensive to pull a page back in from disk.

		-ben