Messages in this thread |  | | Date | Mon, 29 Oct 2001 18:15:28 -0500 | From | Benjamin LaHaise <> | Subject | Re: please revert bogus patch to vmscan.c |
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On Mon, Oct 29, 2001 at 03:14:22PM -0800, David S. Miller wrote: > From: Benjamin LaHaise <bcrl@redhat.com> > 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.
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