From: Steve Capper <steve.capper@linaro.org>
Date: Wed, 10 Apr 2013 12:48:00 +0000 (+0100)
Subject: ARM64: mm: HugeTLB support.
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~40^2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=084bd29810a5689e423d2f085255a3200a03a06e;p=pandora-kernel.git

ARM64: mm: HugeTLB support.

Add huge page support to ARM64, different huge page sizes are
supported depending on the size of normal pages:

PAGE_SIZE is 4KB:
   2MB - (pmds) these can be allocated at any time.
1024MB - (puds) usually allocated on bootup with the command line
         with something like: hugepagesz=1G hugepages=6

PAGE_SIZE is 64KB:
 512MB - (pmds) usually allocated on bootup via command line.

Signed-off-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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