Re: [PATCH 0/7] THP prep patches

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Very nice cleanup and improvement in readability.

For the series:

Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx>


> On Jun 29, 2020, at 9:19 AM, Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote:
> 
> These are some generic cleanups and improvements, which I would like
> merged into mmotm soon.  The first one should be a performance improvement
> for all users of compound pages, and the others are aimed at getting
> code to compile away when CONFIG_TRANSPARENT_HUGEPAGE is disabled (ie
> small systems).  Also better documented / less confusing than the current
> prefix mixture of compound, hpage and thp.
> 
> Matthew Wilcox (Oracle) (7):
>  mm: Store compound_nr as well as compound_order
>  mm: Move page-flags include to top of file
>  mm: Add thp_order
>  mm: Add thp_size
>  mm: Replace hpage_nr_pages with thp_nr_pages
>  mm: Add thp_head
>  mm: Introduce offset_in_thp
> 
> drivers/nvdimm/btt.c      |  4 +--
> drivers/nvdimm/pmem.c     |  6 ++--
> include/linux/huge_mm.h   | 58 ++++++++++++++++++++++++++++++++++++---
> include/linux/mm.h        | 12 ++++----
> include/linux/mm_inline.h |  6 ++--
> include/linux/mm_types.h  |  1 +
> include/linux/pagemap.h   |  6 ++--
> mm/compaction.c           |  2 +-
> mm/filemap.c              |  2 +-
> mm/gup.c                  |  2 +-
> mm/hugetlb.c              |  2 +-
> mm/internal.h             |  4 +--
> mm/memcontrol.c           | 10 +++----
> mm/memory_hotplug.c       |  7 ++---
> mm/mempolicy.c            |  2 +-
> mm/migrate.c              | 16 +++++------
> mm/mlock.c                |  9 +++---
> mm/page_alloc.c           |  5 ++--
> mm/page_io.c              |  4 +--
> mm/page_vma_mapped.c      |  6 ++--
> mm/rmap.c                 |  8 +++---
> mm/swap.c                 | 16 +++++------
> mm/swap_state.c           |  6 ++--
> mm/swapfile.c             |  2 +-
> mm/vmscan.c               |  6 ++--
> mm/workingset.c           |  6 ++--
> 26 files changed, 127 insertions(+), 81 deletions(-)
> 
> -- 
> 2.27.0
> 
> 






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