Re: [PATCHv2 0/3] Find mirrored memory, use for boot time allocations

From: Andrew Morton
Date: Fri May 08 2015 - 16:49:12 EST

On Fri, 8 May 2015 13:38:52 -0700 Tony Luck <tony.luck@xxxxxxxxx> wrote:

> > Will surplus ZONE_MIRROR memory be available for regular old movable
> > allocations?
> ZONE_MIRROR and ZONE_MOVABLE are pretty much opposites. We
> only want kernel allocations in mirror memory, and we can't allow any
> kernel allocations in movable (cause they'll pin it).

What I mean is: allow userspace to consume ZONE_MIRROR memory because
we can snatch it back if it is needed for kernel memory.

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