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

From: Satoru Takeuchi
Date: Fri Oct 03 2014 - 07:40:22 EST


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
>
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