lkml.org 
[lkml]   [2018]   [Jan]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 06/16] x86/mm/ldt: Reserve high address-space range for the LDT
On Tue, Jan 16, 2018 at 05:36:49PM +0100, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@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.

\
 
 \ /
  Last update: 2018-01-16 17:54    [W:0.296 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site