From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- Documentation/x86/x86_64/fake-numa-for-cpusets | 4 ++-- Documentation/x86/x86_64/mm.txt | 4 ++++ 2 files changed, 6 insertions(+), 2 deletions(-) (limited to 'Documentation/x86/x86_64') diff --git a/Documentation/x86/x86_64/fake-numa-for-cpusets b/Documentation/x86/x86_64/fake-numa-for-cpusets index 0f11d9bec..4b09f1883 100644 --- a/Documentation/x86/x86_64/fake-numa-for-cpusets +++ b/Documentation/x86/x86_64/fake-numa-for-cpusets @@ -8,7 +8,7 @@ assign them to cpusets and their attached tasks. This is a way of limiting the amount of system memory that are available to a certain class of tasks. For more information on the features of cpusets, see -Documentation/cgroups/cpusets.txt. +Documentation/cgroup-v1/cpusets.txt. There are a number of different configurations you can use for your needs. For more information on the numa=fake command line option and its various ways of configuring fake nodes, see Documentation/x86/x86_64/boot-options.txt. @@ -33,7 +33,7 @@ A machine may be split as follows with "numa=fake=4*512," as reported by dmesg: On node 3 totalpages: 131072 Now following the instructions for mounting the cpusets filesystem from -Documentation/cgroups/cpusets.txt, you can assign fake nodes (i.e. contiguous memory +Documentation/cgroup-v1/cpusets.txt, you can assign fake nodes (i.e. contiguous memory address spaces) to individual cpusets: [root@xroads /]# mkdir exampleset diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt index 5aa738346..8c7dd5957 100644 --- a/Documentation/x86/x86_64/mm.txt +++ b/Documentation/x86/x86_64/mm.txt @@ -39,4 +39,8 @@ memory window (this size is arbitrary, it can be raised later if needed). The mappings are not part of any other kernel PGD and are only available during EFI runtime calls. +Note that if CONFIG_RANDOMIZE_MEMORY is enabled, the direct mapping of all +physical memory, vmalloc/ioremap space and virtual memory map are randomized. +Their order is preserved but their base will be offset early at boot time. + -Andi Kleen, Jul 2004 -- cgit v1.2.3-54-g00ecf