linux-kernel - [PATCH 0/5] v2 mm subsystem refcounter conversions

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Message-Id: <1498564127-11097-1-git-send-email-elena.reshetova@intel.com>
Date:   Tue, 27 Jun 2017 14:48:42 +0300
From:   Elena Reshetova <elena.reshetova@...el.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, peterz@...radead.org,
        gregkh@...uxfoundation.org, keescook@...omium.org,
        viro@...iv.linux.org.uk, catalin.marinas@....com, mingo@...hat.com,
        akpm@...ux-foundation.org, arnd@...db.de, luto@...nel.org,
        Elena Reshetova <elena.reshetova@...el.com>
Subject: [PATCH 0/5] v2 mm subsystem refcounter conversions

Changes in v2:
No changes in patches apart from trivial rebases, but now by
default refcount_t = atomic_t and uses all atomic standard operations
unless CONFIG_REFCOUNT_FULL is enabled. This is a compromize for the
systems that are critical on performance and cannot accept even
slight delay on the refcounter operations.


Elena Reshetova (5):
  mm: convert bdi_writeback_congested.refcnt from atomic_t to refcount_t
  mm: convert anon_vma.refcount from atomic_t to refcount_t
  mm: convert kmemleak_object.use_count from atomic_t to refcount_t
  mm: convert mm_struct.mm_users from atomic_t to refcount_t
  mm: convert mm_struct.mm_count from atomic_t to refcount_t

 arch/alpha/kernel/smp.c                  |  6 +++---
 arch/arc/mm/tlb.c                        |  2 +-
 arch/blackfin/mach-common/smp.c          |  4 ++--
 arch/ia64/include/asm/tlbflush.h         |  2 +-
 arch/ia64/kernel/smp.c                   |  2 +-
 arch/ia64/sn/kernel/sn2/sn2_smp.c        |  4 ++--
 arch/mips/kernel/process.c               |  2 +-
 arch/mips/kernel/smp.c                   |  6 +++---
 arch/parisc/include/asm/mmu_context.h    |  2 +-
 arch/powerpc/mm/hugetlbpage.c            |  2 +-
 arch/powerpc/mm/icswx.c                  |  4 ++--
 arch/sh/kernel/smp.c                     |  6 +++---
 arch/sparc/kernel/smp_64.c               |  6 +++---
 arch/sparc/mm/srmmu.c                    |  2 +-
 arch/um/kernel/tlb.c                     |  2 +-
 arch/x86/kernel/tboot.c                  |  4 ++--
 drivers/firmware/efi/arm-runtime.c       |  4 ++--
 drivers/gpu/drm/amd/amdkfd/kfd_process.c |  2 +-
 fs/coredump.c                            |  2 +-
 fs/proc/base.c                           |  2 +-
 fs/proc/task_nommu.c                     |  4 ++--
 fs/userfaultfd.c                         |  3 +--
 include/linux/backing-dev-defs.h         |  3 ++-
 include/linux/backing-dev.h              |  4 ++--
 include/linux/mm_types.h                 |  5 +++--
 include/linux/rmap.h                     |  7 ++++---
 include/linux/sched/mm.h                 | 10 +++++-----
 kernel/events/uprobes.c                  |  2 +-
 kernel/exit.c                            |  2 +-
 kernel/fork.c                            | 12 ++++++------
 kernel/sched/core.c                      |  2 +-
 lib/is_single_threaded.c                 |  2 +-
 mm/backing-dev.c                         | 13 +++++++------
 mm/debug.c                               |  4 ++--
 mm/init-mm.c                             |  4 ++--
 mm/khugepaged.c                          |  2 +-
 mm/kmemleak.c                            | 16 ++++++++--------
 mm/ksm.c                                 |  2 +-
 mm/memory.c                              |  2 +-
 mm/mmu_notifier.c                        | 10 +++++-----
 mm/mprotect.c                            |  2 +-
 mm/oom_kill.c                            |  2 +-
 mm/rmap.c                                | 14 +++++++-------
 mm/swapfile.c                            |  2 +-
 mm/vmacache.c                            |  2 +-
 45 files changed, 100 insertions(+), 97 deletions(-)

-- 
2.7.4