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SubjectRe: [PATCH v1 0/4]mm: convert totalram_pages, totalhigh_pages and managed pages to atomic
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On 06.11.2018 8:38, Arun KS wrote:
> Any comments?

Looks good.
Except unclear motivation behind this change.
This should be in comment of one of patch.

Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>

>
> Regards,
> Arun
>
> On 2018-10-26 16:30, Arun KS wrote:
>> This series convert totalram_pages, totalhigh_pages and
>> zone->managed_pages to atomic variables.
>>
>> The patch was comiple tested on x86(x86_64_defconfig & i386_defconfig)
>> on tip of linux-mmotm. And memory hotplug tested on arm64, but on an
>> older version of kernel.
>>
>> Arun KS (4):
>>   mm: Fix multiple evaluvations of totalram_pages and managed_pages
>>   mm: Convert zone->managed_pages to atomic variable
>>   mm: convert totalram_pages and totalhigh_pages variables to atomic
>>   mm: Remove managed_page_count spinlock
>>
>>  arch/csky/mm/init.c                           |  4 +-
>>  arch/powerpc/platforms/pseries/cmm.c          | 10 ++--
>>  arch/s390/mm/init.c                           |  2 +-
>>  arch/um/kernel/mem.c                          |  3 +-
>>  arch/x86/kernel/cpu/microcode/core.c          |  5 +-
>>  drivers/char/agp/backend.c                    |  4 +-
>>  drivers/gpu/drm/amd/amdkfd/kfd_crat.c         |  2 +-
>>  drivers/gpu/drm/i915/i915_gem.c               |  2 +-
>>  drivers/gpu/drm/i915/selftests/i915_gem_gtt.c |  4 +-
>>  drivers/hv/hv_balloon.c                       | 19 +++----
>>  drivers/md/dm-bufio.c                         |  2 +-
>>  drivers/md/dm-crypt.c                         |  2 +-
>>  drivers/md/dm-integrity.c                     |  2 +-
>>  drivers/md/dm-stats.c                         |  2 +-
>>  drivers/media/platform/mtk-vpu/mtk_vpu.c      |  2 +-
>>  drivers/misc/vmw_balloon.c                    |  2 +-
>>  drivers/parisc/ccio-dma.c                     |  4 +-
>>  drivers/parisc/sba_iommu.c                    |  4 +-
>>  drivers/staging/android/ion/ion_system_heap.c |  2 +-
>>  drivers/xen/xen-selfballoon.c                 |  6 +--
>>  fs/ceph/super.h                               |  2 +-
>>  fs/file_table.c                               |  7 +--
>>  fs/fuse/inode.c                               |  2 +-
>>  fs/nfs/write.c                                |  2 +-
>>  fs/nfsd/nfscache.c                            |  2 +-
>>  fs/ntfs/malloc.h                              |  2 +-
>>  fs/proc/base.c                                |  2 +-
>>  include/linux/highmem.h                       | 28 ++++++++++-
>>  include/linux/mm.h                            | 27 +++++++++-
>>  include/linux/mmzone.h                        | 15 +++---
>>  include/linux/swap.h                          |  1 -
>>  kernel/fork.c                                 |  5 +-
>>  kernel/kexec_core.c                           |  5 +-
>>  kernel/power/snapshot.c                       |  2 +-
>>  lib/show_mem.c                                |  2 +-
>>  mm/highmem.c                                  |  4 +-
>>  mm/huge_memory.c                              |  2 +-
>>  mm/kasan/quarantine.c                         |  2 +-
>>  mm/memblock.c                                 |  6 +--
>>  mm/memory_hotplug.c                           |  4 +-
>>  mm/mm_init.c                                  |  2 +-
>>  mm/oom_kill.c                                 |  2 +-
>>  mm/page_alloc.c                               | 71 +++++++++++++--------------
>>  mm/shmem.c                                    |  7 +--
>>  mm/slab.c                                     |  2 +-
>>  mm/swap.c                                     |  2 +-
>>  mm/util.c                                     |  2 +-
>>  mm/vmalloc.c                                  |  4 +-
>>  mm/vmstat.c                                   |  4 +-
>>  mm/workingset.c                               |  2 +-
>>  mm/zswap.c                                    |  4 +-
>>  net/dccp/proto.c                              |  7 +--
>>  net/decnet/dn_route.c                         |  2 +-
>>  net/ipv4/tcp_metrics.c                        |  2 +-
>>  net/netfilter/nf_conntrack_core.c             |  7 +--
>>  net/netfilter/xt_hashlimit.c                  |  5 +-
>>  net/sctp/protocol.c                           |  7 +--
>>  security/integrity/ima/ima_kexec.c            |  2 +-
>>  58 files changed, 195 insertions(+), 144 deletions(-)

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