[PATCH/v2] Documentation: vm: Add 1GB large page support information

From: Masanari Iida
Date: Thu Nov 06 2014 - 10:31:42 EST


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@xxxxxxxxx>
---
Documentation/vm/hugetlbpage.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt
index b64e0af..f2d3a10 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.
--
2.2.0.rc0.2.gf745acb

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