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authorMasanari Iida <standby24x7@gmail.com>2014-11-06 18:31:15 +0300
committerJonathan Corbet <corbet@lwn.net>2014-11-06 23:14:11 +0300
commitc0d7305cb3e5e77dba822706e21898314e893fb7 (patch)
treef29914ece580836cc47930db805c4f892fbdf75e /Documentation/vm
parent747029a566e5d637ef4972afd2cb7202f7b7ca7c (diff)
downloadlinux-c0d7305cb3e5e77dba822706e21898314e893fb7.tar.xz
Documentation: vm: Add 1GB large page support information
This patch adds 1GB large page support information in Documentation/vm/hugetlbpage.txt Reference: https://lkml.org/lkml/2014/10/31/366 Signed-off-by: Masanari Iida <standby24x7@gmail.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/vm')
-rw-r--r--Documentation/vm/hugetlbpage.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt
index b64e0af9cc56..f2d3a100fe38 100644
--- a/Documentation/vm/hugetlbpage.txt
+++ b/Documentation/vm/hugetlbpage.txt
@@ -1,8 +1,8 @@
The intent of this file is to give a brief summary of hugetlbpage support in
the Linux kernel. This support is built on top of multiple page size support
-that is provided by most modern architectures. For example, i386
-architecture supports 4K and 4M (2M in PAE mode) page sizes, ia64
+that is provided by most modern architectures. For example, x86 CPUs normally
+support 4K and 2M (1G if architecturally supported) page sizes, ia64
architecture supports multiple page sizes 4K, 8K, 64K, 256K, 1M, 4M, 16M,
256M and ppc64 supports 4K and 16M. A TLB is a cache of virtual-to-physical
translations. Typically this is a very scarce resource on processor.