Thread (11 messages) 11 messages, 3 authors, 2008-06-24

[PATCH 0/6] 16G and multi size hugetlb page support on powerpc

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From: Jon Tollefson <hidden>
Date: 2008-05-13 17:07:29
Also in: linux-mm, lkml
Subsystem: filesystems (vfs and infrastructure), hugetlb subsystem, linux for powerpc (32-bit and 64-bit), memory management, the rest · Maintainers: Alexander Viro, Christian Brauner, Muchun Song, Oscar Salvador, Madhavan Srinivasan, Andrew Morton, Linus Torvalds

This patch set builds on Nick Piggin's patches for multi size and giant hugetlb page support of April 22.  The following set of patches adds support for 16G huge pages on ppc64 and support for multiple huge page sizes at the same time on ppc64.  Thus allowing 64K, 16M, and 16G huge pages given a POWER5+ or later machine.

New to this version of my patch is numerous bug fixes and cleanups, but the biggest change is the support for multiple huge page sizes on power.

patch 1: changes to generic hugetlb to enable 16G pages on power
patch 2: powerpc: adds function for allocating 16G pages
patch 3: powerpc: setups 16G page locations found in device tree
patch 4: powerpc: page definition support for 16G pages
patch 5: check for overflow when user space is 32bit
patch 6: powerpc: multiple huge page size support

Jon
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