Re: [PATCH v4, part3 00/15] accurately calculate memory statisitic information

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Hi Jiang,
On 04/06/2013 09:54 PM, Jiang Liu wrote:
The original goal of this patchset is to fix the bug reported by
https://bugzilla.kernel.org/show_bug.cgi?id=53501
Now it has also been expanded to reduce common code used by memory
initializion.

This is the third part, previous two patch sets could be accessed at:
http://marc.info/?l=linux-mm&m=136289696323825&w=2
http://marc.info/?l=linux-mm&m=136290291524901&w=2

This patchset applies to
git://git.cmpxchg.org/linux-mmotm.git fc374c1f9d7bdcfb851b15b86e58ac5e1f645e32
which is based on mmotm-2013-03-26-15-09.

V2->V4:
1) rebase to git://git.cmpxchg.org/linux-mmotm.git
2) fix some build warnings and other minor bugs of previous patches

We have only tested these patchset on x86 platforms, and have done basic
compliation tests using cross-compilers from ftp.kernel.org. That means
some code may not pass compilation on some architectures. So any help
to test this patchset are welcomed!

Patch 1-7:
	Bugfixes and more work for part1 and part2
Patch 8-9:
	Fix typo and minor bugs in mm core
Patch 10-14:
	Enhance the way to manage totalram_pages, totalhigh_pages and
	zone->managed_pages.
Patch 15:
	Report available pages within the node as "MemTotal" for sysfs
	interface /sys/.../node/nodex/meminfo

Jiang Liu (15):
   mm: fix build warnings caused by free_reserved_area()
   mm: enhance free_reserved_area() to support poisoning memory with
     zero
   mm/ARM64: kill poison_init_mem()
   mm/x86: use free_reserved_area() to simplify code
   mm/tile: use common help functions to free reserved pages
   mm, powertv: use free_reserved_area() to simplify code
   mm, acornfb: use free_reserved_area() to simplify code
   mm: fix some trivial typos in comments
   mm: use managed_pages to calculate default zonelist order
   mm: accurately calculate zone->managed_pages for highmem zones
   mm: use a dedicated lock to protect totalram_pages and
     zone->managed_pages
   mm: make __free_pages_bootmem() only available at boot time
   mm: correctly update zone->mamaged_pages
   mm: concentrate modification of totalram_pages into the mm core
   mm: report available pages as "MemTotal" for each NUMA node

What I interested in is how you test different platform? I don't think you can have all the physical platform.


  arch/alpha/kernel/sys_nautilus.c      |    2 +-
  arch/alpha/mm/init.c                  |    6 ++--
  arch/alpha/mm/numa.c                  |    2 +-
  arch/arc/mm/init.c                    |    2 +-
  arch/arm/mm/init.c                    |   13 ++++----
  arch/arm64/mm/init.c                  |   15 ++-------
  arch/avr32/mm/init.c                  |    6 ++--
  arch/blackfin/mm/init.c               |    6 ++--
  arch/c6x/mm/init.c                    |    6 ++--
  arch/cris/mm/init.c                   |    4 +--
  arch/frv/mm/init.c                    |    6 ++--
  arch/h8300/mm/init.c                  |    6 ++--
  arch/hexagon/mm/init.c                |    3 +-
  arch/ia64/mm/init.c                   |    4 +--
  arch/m32r/mm/init.c                   |    6 ++--
  arch/m68k/mm/init.c                   |    8 ++---
  arch/metag/mm/init.c                  |   11 ++++---
  arch/microblaze/mm/init.c             |    6 ++--
  arch/mips/mm/init.c                   |    2 +-
  arch/mips/powertv/asic/asic_devices.c |   13 ++------
  arch/mips/sgi-ip27/ip27-memory.c      |    2 +-
  arch/mn10300/mm/init.c                |    2 +-
  arch/openrisc/mm/init.c               |    6 ++--
  arch/parisc/mm/init.c                 |    8 ++---
  arch/powerpc/kernel/kvm.c             |    2 +-
  arch/powerpc/mm/mem.c                 |    7 ++---
  arch/s390/mm/init.c                   |    4 +--
  arch/score/mm/init.c                  |    2 +-
  arch/sh/mm/init.c                     |    6 ++--
  arch/sparc/mm/init_32.c               |    3 +-
  arch/sparc/mm/init_64.c               |    2 +-
  arch/tile/mm/init.c                   |    9 ++----
  arch/um/kernel/mem.c                  |    4 +--
  arch/unicore32/mm/init.c              |    6 ++--
  arch/x86/mm/highmem_32.c              |    6 ++++
  arch/x86/mm/init.c                    |   14 ++-------
  arch/x86/mm/init_32.c                 |    2 +-
  arch/x86/mm/init_64.c                 |   25 +++------------
  arch/xtensa/mm/init.c                 |    6 ++--
  drivers/video/acornfb.c               |   28 ++---------------
  drivers/virtio/virtio_balloon.c       |    8 +++--
  drivers/xen/balloon.c                 |   23 +++-----------
  include/linux/bootmem.h               |    1 +
  include/linux/mm.h                    |   17 +++++-----
  include/linux/mmzone.h                |   14 ++++++---
  mm/bootmem.c                          |   41 +++++++++++++++---------
  mm/hugetlb.c                          |    2 +-
  mm/memory_hotplug.c                   |   33 ++++----------------
  mm/nobootmem.c                        |   35 ++++++++++++---------
  mm/page_alloc.c                       |   55 +++++++++++++++++++++------------
  50 files changed, 222 insertions(+), 278 deletions(-)


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