linux-kernel - [RFC 00/15] Large pages in the page-cache

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Message-Id: <20190925005214.27240-1-willy@infradead.org>
Date:   Tue, 24 Sep 2019 17:51:59 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Subject: [RFC 00/15] Large pages in the page-cache

From: "Matthew Wilcox (Oracle)" <willy@...radead.org>

Here's what I'm currently playing with.  I'm having trouble _testing_
it, but since akpm's patches were just merged into Linus' tree, I
thought this would be a good point to send out my current work tree.
Thanks to kbuild bot for finding a bunch of build problems ;-)

Matthew Wilcox (Oracle) (12):
  mm: Use vm_fault error code directly
  fs: Introduce i_blocks_per_page
  mm: Add file_offset_of_ helpers
  iomap: Support large pages
  xfs: Support large pages
  xfs: Pass a page to xfs_finish_page_writeback
  mm: Make prep_transhuge_page tail-callable
  mm: Add __page_cache_alloc_order
  mm: Allow large pages to be added to the page cache
  mm: Allow find_get_page to be used for large pages
  mm: Remove hpage_nr_pages
  xfs: Use filemap_huge_fault

William Kucharski (3):
  mm: Support removing arbitrary sized pages from mapping
  mm: Add a huge page fault handler for files
  mm: Align THP mappings for non-DAX

 drivers/net/ethernet/ibm/ibmveth.c |   2 -
 drivers/nvdimm/btt.c               |   4 +-
 drivers/nvdimm/pmem.c              |   3 +-
 fs/iomap/buffered-io.c             | 121 +++++++----
 fs/jfs/jfs_metapage.c              |   2 +-
 fs/xfs/xfs_aops.c                  |  37 ++--
 fs/xfs/xfs_file.c                  |   5 +-
 include/linux/huge_mm.h            |  15 +-
 include/linux/iomap.h              |   2 +-
 include/linux/mm.h                 |  12 ++
 include/linux/mm_inline.h          |   6 +-
 include/linux/pagemap.h            |  73 ++++++-
 mm/filemap.c                       | 311 ++++++++++++++++++++++++++---
 mm/gup.c                           |   2 +-
 mm/huge_memory.c                   |  11 +-
 mm/internal.h                      |   4 +-
 mm/memcontrol.c                    |  14 +-
 mm/memory_hotplug.c                |   4 +-
 mm/mempolicy.c                     |   2 +-
 mm/migrate.c                       |  19 +-
 mm/mlock.c                         |   9 +-
 mm/page_io.c                       |   4 +-
 mm/page_vma_mapped.c               |   6 +-
 mm/rmap.c                          |   8 +-
 mm/swap.c                          |   4 +-
 mm/swap_state.c                    |   4 +-
 mm/swapfile.c                      |   2 +-
 mm/vmscan.c                        |   9 +-
 28 files changed, 519 insertions(+), 176 deletions(-)

-- 
2.23.0