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SubjectRe: [PATCH/v2] Documentation: vm: Add 1GB large page support information
On Fri,  7 Nov 2014 00:31:15 +0900
Masanari Iida <standby24x7@gmail.com> wrote:

> 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>
> ---
> 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.

Looks good to me:

Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>


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