From c0d7305cb3e5e77dba822706e21898314e893fb7 Mon Sep 17 00:00:00 2001 From: Masanari Iida Date: Fri, 7 Nov 2014 00:31:15 +0900 Subject: [PATCH] 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 Reviewed-by: Luiz Capitulino Signed-off-by: Jonathan Corbet --- 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 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.