APPLIED: [SRU][Artful][PATCH 0/3] Fixes for LP:1706247

[Khaled Elmously]

Applied to Artful

On 2017-12-15 10:20:35 , Joseph Salisbury wrote:
> BugLink: http://bugs.launchpad.net/bugs/1706247
> 
> == SRU Justification ==
> In the past it was not possible to turn on 16g huge pages on Ubuntu PowerNV.
> However, boot options were available to enable huge pages, which would not 
> actually work. 
> 
> These patches from IBM add support for 16G Huge Pages.  All three patches were
> added to mainline as of 4.14-rc1.  Xenial and Zesty also need these patches, 
> but two additional ones are also requires, so they will be SRU'd separately. 
> 
> == Fixes ==
> e24a1307ba1f ("mm/hugetlb: Allow arch to override and call the weak function")
> 79cc38ded1e1 ("powerpc/mm/hugetlb: Add support for reserving gigantic huge pages via kernel command line")
> 4ae279c2c96a ("powerpc/mm/hugetlb: Allow runtime allocation of 16G.")
> 
> 
> == Regression Potential ==
> These chages are specific to powerpc and have been authored and tested by IBM.
> 
> == Test Case ==
> A test kernel was built with these patches and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.
> 
> Aneesh Kumar K.V (3):
>   mm/hugetlb: Allow arch to override and call the weak function
>   powerpc/mm/hugetlb: Add support for reserving gigantic huge pages via
>     kernel command line
>   powerpc/mm/hugetlb: Allow runtime allocation of 16G.
> 
>  arch/powerpc/include/asm/book3s/64/hugetlb.h  |   4 +-
>  arch/powerpc/include/asm/book3s/64/mmu-hash.h |   2 +-
>  arch/powerpc/include/asm/hugetlb.h            |  14 --
>  arch/powerpc/kernel/setup-common.c            |   7 -
>  arch/powerpc/mm/hash_utils_64.c               |   2 +-
>  arch/powerpc/mm/hugetlbpage.c                 | 177 +++-----------------------
>  arch/powerpc/mm/init_32.c                     |   2 -
>  include/linux/hugetlb.h                       |   1 +
>  mm/hugetlb.c                                  |   4 +-
>  9 files changed, 27 insertions(+), 186 deletions(-)
> 
> -- 
> 2.7.4
> 
> 
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