[PATCH 00/15] mm: struct page lock and counts

[Hugh Dickins]

Here comes a batch of fifteen against 2.6.14-mm1.  The first eight tie
up various loose ends of the page fault scalability patches (but I've
not yet got to Documentation/vm/locking).  The last seven are about page
count overflow, resolving that issue made more immediate by refcounting
the ZERO_PAGE.  So I'd like to see these as 2.6.15 material: and mostly
the patches do apply to 2.6.14-git12; but there's two reiser4 patches I
separated out, an assumption that Andi's x86_64-page-flags-cleanup.patch
will go in ahead, and an obvious reject in vmscan.c.  You may see them
rather differently!  I think there could be two views on the overflow
patches: you might find them neat, you might find them too oblique; but
they do avoid extra tests in the hotter paths.  In some cases I've put
an additional comment below the --- cutoff.

Hugh

 arch/frv/mm/pgalloc.c                    |    4 
 arch/i386/mm/pgtable.c                   |    8 
 arch/powerpc/mm/4xx_mmu.c                |    4 
 arch/powerpc/mm/hugetlbpage.c            |    4 
 arch/powerpc/mm/mem.c                    |    2 
 arch/powerpc/mm/tlb_32.c                 |    6 
 arch/powerpc/mm/tlb_64.c                 |    4 
 arch/ppc/mm/pgtable.c                    |   13 -
 arch/ppc64/kernel/vdso.c                 |    6 
 arch/sh64/lib/dbg.c                      |    2 
 drivers/char/drm/drm_vm.c                |    2 
 fs/afs/file.c                            |    4 
 fs/buffer.c                              |    2 
 fs/jfs/jfs_metapage.c                    |   12 -
 fs/proc/task_mmu.c                       |    2 
 fs/reiser4/flush_queue.c                 |    2 
 fs/reiser4/jnode.c                       |   10 -
 fs/reiser4/page_cache.c                  |    4 
 fs/reiser4/page_cache.h                  |    2 
 fs/reiser4/plugin/file/tail_conversion.c |    2 
 fs/reiser4/txnmgr.c                      |    6 
 fs/xfs/linux-2.6/xfs_buf.c               |    7 
 include/asm-alpha/atomic.h               |    7 
 include/asm-ppc/pgtable.h                |   10 -
 include/asm-s390/atomic.h                |   10 -
 include/asm-sparc64/atomic.h             |    1 
 include/asm-x86_64/atomic.h              |   49 ++++-
 include/linux/buffer_head.h              |    6 
 include/linux/mm.h                       |  262 +++++++++++++++++++++++--------
 include/linux/page-flags.h               |    1 
 include/linux/rmap.h                     |   12 -
 kernel/futex.c                           |   15 -
 kernel/kexec.c                           |    4 
 mm/Kconfig                               |    6 
 mm/filemap.c                             |    2 
 mm/fremap.c                              |    3 
 mm/memory.c                              |   50 +++--
 mm/page_alloc.c                          |  113 ++++++++++++-
 mm/page_io.c                             |    6 
 mm/rmap.c                                |   29 +--
 mm/shmem.c                               |   22 +-
 mm/swap.c                                |    2 
 mm/swap_state.c                          |    8 
 mm/swapfile.c                            |   14 -
 mm/vmscan.c                              |    2 
 45 files changed, 485 insertions(+), 257 deletions(-)
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