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16G and multi size hugetlb page support on powerpc

Jon Tollefson linux-mm linuxppc-dev lkml 1 version In review

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  1. v1 Latest1 of 6 patches 3 repliesIn review

1 of 6 patches is in this archive. The cover letter announces 6.

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#Subject and filesSizeRepliesApplied
6/6powerpc: support multiple huge page sizesarch/powerpc/mm/hash_utils_64.c arch/powerpc/mm/hugetlbpage.c arch/powerpc/mm/init_64.c +4 more+0 -02 replies

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

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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Read the cover letter in its thread