Re: [PATCH 3.12 00/96] 3.12.30-stable review

[Satoru Takeuchi <satoru.takeuchi@gmail.com>]

At Wed,  1 Oct 2014 10:57:39 +0200,
Jiri Slaby wrote:
> 
> This is the start of the stable review cycle for the 3.12.30 release.
> There are 96 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> This one is special. First, it is rounded (30). Second, most of the
> patches are performance improvements. They are coming from SUSE
> Enterprise Linux and all are backed by proper testing and performance
> measurements. All this patchset was prepared and sent by Mel Gorman
> with a support of other patchers from SUSE. Thanks to all of them.
> 
> As this is special, I am gicing a whole week for responses. So
> responses should be made by Wed Oct  8 09:12:02 CEST 2014.  Anything
> received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	http://kernel.org/pub/linux/kernel/people/jirislaby/stable-review/patch-3.12.30-rc1.xz
> and the diffstat can be found below.
> 
> thanks,
> js

This kernel passed my test.

 - Test Cases:
   - Build this kernel.
   - Boot this kernel.
   - Build the latest mainline kernel with this kernel.

 - Test Tool:
   https://github.com/satoru-takeuchi/test-linux-stable

 - Test Result (kernel .config, ktest config and test log):
   http://satoru-takeuchi.org/test-linux-stable/results/<version>-<test datetime>.tar.xz

 - Build Environment:
   - OS: Debian Jessy x86_64
   - CPU: Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz x 4
   - memory: 8GB

 - Test Target Environment:
   - Debian Jessy x86_64 (KVM guest on the Build Environment)
   - # of vCPU: 2
   - memory: 2GB

Thanks,
Satoru

> 
> ===============
> 
> 
> Al Viro (1):
>   callers of iov_copy_from_user_atomic() don't need pagecache_disable()
> 
> Bob Liu (2):
>   mm: thp: cleanup: mv alloc_hugepage to better place
>   mm: thp: khugepaged: add policy for finding target node
> 
> Christoph Lameter (1):
>   vmscan: reclaim_clean_pages_from_list() must use mod_zone_page_state()
> 
> Damien Ramonda (1):
>   readahead: fix sequential read cache miss detection
> 
> Dan Streetman (4):
>   swap: change swap_info singly-linked list to list_head
>   lib/plist: add helper functions
>   lib/plist: add plist_requeue
>   swap: change swap_list_head to plist, add swap_avail_head
> 
> Dave Chinner (1):
>   fs/superblock: unregister sb shrinker before ->kill_sb()
> 
> David Rientjes (9):
>   mm, compaction: avoid isolating pinned pages
>   mm, compaction: determine isolation mode only once
>   mm, compaction: ignore pageblock skip when manually invoking
>     compaction
>   mm, migration: add destination page freeing callback
>   mm, compaction: return failed migration target pages back to freelist
>   mm, compaction: add per-zone migration pfn cache for async compaction
>   mm, compaction: embed migration mode in compact_control
>   mm, compaction: terminate async compaction when rescheduling
>   mm, thp: only collapse hugepages to nodes with affinity for
>     zone_reclaim_mode
> 
> Davidlohr Bueso (1):
>   mm: per-thread vma caching
> 
> Fabian Frederick (1):
>   mm/readahead.c: inline ra_submit
> 
> Han Pingtian (1):
>   mm: prevent setting of a value less than 0 to min_free_kbytes
> 
> Heesub Shin (1):
>   mm/compaction: clean up unused code lines
> 
> Hugh Dickins (4):
>   mm: fix bad rss-counter if remap_file_pages raced migration
>   mm: fix direct reclaim writeback regression
>   shmem: fix init_page_accessed use to stop !PageLRU bug
>   mm/memory.c: use entry = ACCESS_ONCE(*pte) in handle_pte_fault()
> 
> Jens Axboe (1):
>   mm/filemap.c: avoid always dirtying mapping->flags on O_DIRECT
> 
> Jerome Marchand (2):
>   mm: make copy_pte_range static again
>   memcg, vmscan: Fix forced scan of anonymous pages
> 
> Jianyu Zhan (1):
>   mm/swap.c: clean up *lru_cache_add* functions
> 
> Johannes Weiner (5):
>   lib: radix-tree: add radix_tree_delete_item()
>   mm: shmem: save one radix tree lookup when truncating swapped pages
>   mm: filemap: move radix tree hole searching here
>   mm + fs: prepare for non-page entries in page cache radix trees
>   mm: madvise: fix MADV_WILLNEED on shmem swapouts
> 
> Joonsoo Kim (7):
>   slab: correct pfmemalloc check
>   mm/compaction: disallow high-order page for migration target
>   mm/compaction: do not call suitable_migration_target() on every page
>   mm/compaction: change the timing to check to drop the spinlock
>   mm/compaction: check pageblock suitability once per pageblock
>   mm/compaction: clean-up code on success of ballon isolation
>   vmalloc: use rcu list iterator to reduce vmap_area_lock contention
> 
> KOSAKI Motohiro (2):
>   mm: get rid of unnecessary overhead of trace_mm_page_alloc_extfrag()
>   mm: __rmqueue_fallback() should respect pageblock type
> 
> Linus Torvalds (1):
>   mm: don't pointlessly use BUG_ON() for sanity check
> 
> Mel Gorman (30):
>   mm, x86: Account for TLB flushes only when debugging
>   x86/mm: Clean up inconsistencies when flushing TLB ranges
>   x86/mm: Eliminate redundant page table walk during TLB range flushing
>   mm: compaction: trace compaction begin and end
>   mm: optimize put_mems_allowed() usage
>   mm: vmscan: use proportional scanning during direct reclaim and full
>     scan at DEF_PRIORITY
>   mm: page_alloc: do not update zlc unless the zlc is active
>   mm: page_alloc: do not treat a zone that cannot be used for dirty
>     pages as "full"
>   include/linux/jump_label.h: expose the reference count
>   mm: page_alloc: use jump labels to avoid checking number_of_cpusets
>   mm: page_alloc: calculate classzone_idx once from the zonelist ref
>   mm: page_alloc: only check the zone id check if pages are buddies
>   mm: page_alloc: only check the alloc flags and gfp_mask for dirty once
>   mm: page_alloc: take the ALLOC_NO_WATERMARK check out of the fast path
>   mm: page_alloc: use unsigned int for order in more places
>   mm: page_alloc: reduce number of times page_to_pfn is called
>   mm: page_alloc: convert hot/cold parameter and immediate callers to
>     bool
>   mm: page_alloc: lookup pageblock migratetype with IRQs enabled during
>     free
>   mm: shmem: avoid atomic operation during shmem_getpage_gfp
>   mm: do not use atomic operations when releasing pages
>   mm: do not use unnecessary atomic operations when adding pages to the
>     LRU
>   fs: buffer: do not use unnecessary atomic operations when discarding
>     buffers
>   mm: non-atomically mark page accessed during page cache allocation
>     where possible
>   mm: avoid unnecessary atomic operations during end_page_writeback()
>   mm: pagemap: avoid unnecessary overhead when tracepoints are
>     deactivated
>   mm: rearrange zone fields into read-only, page alloc, statistics and
>     page reclaim lines
>   mm: move zone->pages_scanned into a vmstat counter
>   mm: vmscan: only update per-cpu thresholds for online CPU
>   mm: page_alloc: abort fair zone allocation policy when remotes nodes
>     are encountered
>   mm: page_alloc: reduce cost of the fair zone allocation policy
> 
> Michal Hocko (1):
>   mm: exclude memoryless nodes from zone_reclaim
> 
> Nishanth Aravamudan (1):
>   hugetlb: ensure hugepage access is denied if hugepages are not
>     supported
> 
> Raghavendra K T (1):
>   mm/readahead.c: fix readahead failure for memoryless NUMA nodes and
>     limit readahead pages
> 
> Sasha Levin (1):
>   mm: remove read_cache_page_async()
> 
> Shaohua Li (2):
>   swap: add a simple detector for inappropriate swapin readahead
>   x86/mm: In the PTE swapout page reclaim case clear the accessed bit
>     instead of flushing the TLB
> 
> Tim Chen (1):
>   fs/superblock: avoid locking counting inodes and dentries before
>     reclaiming them
> 
> Vladimir Davydov (4):
>   mm: vmscan: shrink all slab objects if tight on memory
>   mm: vmscan: call NUMA-unaware shrinkers irrespective of nodemask
>   mm: vmscan: respect NUMA policy mask when shrinking slab on direct
>     reclaim
>   mm: vmscan: shrink_slab: rename max_pass -> freeable
> 
> Vlastimil Babka (8):
>   mm: compaction: encapsulate defer reset logic
>   mm: compaction: do not mark unmovable pageblocks as skipped in async
>     compaction
>   mm: compaction: reset scanner positions immediately when they meet
>   mm/compaction: cleanup isolate_freepages()
>   mm/compaction: do not count migratepages when unnecessary
>   mm/compaction: avoid rescanning pageblocks in isolate_freepages
>   mm, compaction: properly signal and act upon lock and need_sched()
>     contention
>   mm/page_alloc: prevent MIGRATE_RESERVE pages from being misplaced
> 
> Yasuaki Ishimatsu (1):
>   mm: get rid of unnecessary pageblock scanning in
>     setup_zone_migrate_reserve
> 
>  arch/tile/mm/homecache.c                 |   2 +-
>  arch/unicore32/include/asm/mmu_context.h |   4 +-
>  arch/x86/include/asm/tlbflush.h          |   6 +-
>  arch/x86/kernel/cpu/mtrr/generic.c       |   4 +-
>  arch/x86/mm/pgtable.c                    |  21 +-
>  arch/x86/mm/tlb.c                        |  52 +---
>  fs/btrfs/compression.c                   |   2 +-
>  fs/btrfs/extent_io.c                     |  15 +-
>  fs/btrfs/file.c                          |  10 +-
>  fs/buffer.c                              |  28 +-
>  fs/cramfs/inode.c                        |   3 +-
>  fs/exec.c                                |   5 +-
>  fs/ext4/mballoc.c                        |  14 +-
>  fs/f2fs/checkpoint.c                     |   1 -
>  fs/f2fs/node.c                           |   2 -
>  fs/fuse/dev.c                            |   2 +-
>  fs/fuse/file.c                           |   4 -
>  fs/gfs2/aops.c                           |   1 -
>  fs/gfs2/meta_io.c                        |   4 +-
>  fs/hugetlbfs/inode.c                     |   5 +
>  fs/jffs2/fs.c                            |   2 +-
>  fs/nfs/blocklayout/blocklayout.c         |   2 +-
>  fs/ntfs/attrib.c                         |   1 -
>  fs/ntfs/file.c                           |   1 -
>  fs/proc/task_mmu.c                       |   3 +-
>  fs/super.c                               |  16 +-
>  include/linux/compaction.h               |  20 +-
>  include/linux/cpuset.h                   |  56 ++--
>  include/linux/gfp.h                      |   4 +-
>  include/linux/huge_mm.h                  |   4 -
>  include/linux/hugetlb.h                  |  10 +
>  include/linux/jump_label.h               |  20 +-
>  include/linux/migrate.h                  |  11 +-
>  include/linux/mm.h                       |  11 +-
>  include/linux/mm_types.h                 |   4 +-
>  include/linux/mmzone.h                   | 233 ++++++++-------
>  include/linux/page-flags.h               |   6 +-
>  include/linux/pageblock-flags.h          |  33 +--
>  include/linux/pagemap.h                  | 131 +++++++--
>  include/linux/pagevec.h                  |   5 +
>  include/linux/plist.h                    |  45 +++
>  include/linux/radix-tree.h               |   5 +-
>  include/linux/sched.h                    |   7 +
>  include/linux/shmem_fs.h                 |   1 +
>  include/linux/swap.h                     |  30 +-
>  include/linux/swapfile.h                 |   2 +-
>  include/linux/vm_event_item.h            |   4 +-
>  include/linux/vmacache.h                 |  38 +++
>  include/linux/vmstat.h                   |   8 +
>  include/trace/events/compaction.h        |  67 ++++-
>  include/trace/events/kmem.h              |  10 +-
>  include/trace/events/pagemap.h           |  16 +-
>  kernel/cpuset.c                          |  16 +-
>  kernel/debug/debug_core.c                |  14 +-
>  kernel/fork.c                            |   7 +-
>  lib/plist.c                              |  52 ++++
>  lib/radix-tree.c                         | 106 ++-----
>  mm/Makefile                              |   2 +-
>  mm/compaction.c                          | 347 +++++++++++++----------
>  mm/filemap.c                             | 470 +++++++++++++++++++++----------
>  mm/fremap.c                              |  28 +-
>  mm/frontswap.c                           |  13 +-
>  mm/huge_memory.c                         |  93 ++++--
>  mm/hugetlb.c                             |  17 +-
>  mm/internal.h                            |  22 +-
>  mm/madvise.c                             |   2 +-
>  mm/memory-failure.c                      |   4 +-
>  mm/memory.c                              |   4 +-
>  mm/memory_hotplug.c                      |   2 +-
>  mm/mempolicy.c                           |  16 +-
>  mm/migrate.c                             |  56 ++--
>  mm/mincore.c                             |  20 +-
>  mm/mmap.c                                |  55 ++--
>  mm/nommu.c                               |  24 +-
>  mm/page_alloc.c                          | 423 ++++++++++++++++------------
>  mm/readahead.c                           |  37 +--
>  mm/shmem.c                               | 133 +++------
>  mm/slab.c                                |  12 +-
>  mm/slub.c                                |  16 +-
>  mm/swap.c                                | 101 ++++++-
>  mm/swap_state.c                          |  65 ++++-
>  mm/swapfile.c                            | 224 ++++++++-------
>  mm/truncate.c                            |  74 ++++-
>  mm/vmacache.c                            | 114 ++++++++
>  mm/vmalloc.c                             |   6 +-
>  mm/vmscan.c                              | 144 ++++++----
>  mm/vmstat.c                              |  13 +-
>  87 files changed, 2366 insertions(+), 1357 deletions(-)
>  create mode 100644 include/linux/vmacache.h
>  create mode 100644 mm/vmacache.c
> 
> -- 
> 2.1.0
>