Re: [rfc] no ZERO_PAGE?

[Andrea Arcangeli]

On Wed, Apr 04, 2007 at 01:45:06PM +0100, Hugh Dickins wrote:
> I'm confused.  CONFIG_ZERO_PAGE off is where we'd like to end up: how
> would turning CONFIG_ZERO_PAGE on in -rc kernels help us to get there?

He most certainly meant on by default.

I think if we do this, we also need a zeropage counter in the vm stats
so that we'll get a measure of the waste and it'll be possible to
identify apps to optimize/fix.
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