Re: [PATCH 06/16] x86/mm/ldt: Reserve high address-space range for the LDT

[Joerg Roedel]

Hi Peter,

On Tue, Jan 16, 2018 at 05:52:13PM +0100, Peter Zijlstra wrote:
> On Tue, Jan 16, 2018 at 05:36:49PM +0100, Joerg Roedel wrote:
> > From: Joerg Roedel <jroe...@suse.de>
> > 
> > Reserve 2MB/4MB of address space for mapping the LDT to
> > user-space.
> 
> LDT is 64k, we need 2 per CPU, and NR_CPUS <= 64 on 32bit, that gives
> 64K*2*64=8M > 2M.

Thanks, I'll fix that in the next version.


        Joerg