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    Subject2.5.72-mm1

    ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.72/2.5.72-mm1/


    . A fairly large batch of changes in the block request allocation,
    batching and throttling code. To address worst-case latency, improve
    throughput in benchmarky loads, etc.

    . The memory debugging patch which unmaps pages and large slab objects
    from the kernel virtual address space is back.




    Changes since 2.5.71-mm1:


    -yenta-unload-oops-fix.patch
    -rpc-depopulate-fix.patch

    Merged

    +ppc64-fixes-2.patch

    PPC64 touchups from Anton

    +pcmcia-detect-fix.patch

    CardSevices fix

    +1-kmem-cache-destroy.patch

    Tidy up slab error message handling.

    +2-slab-poison-fix.patch

    Corectly poison uninitialised memory with 0x5a5a5a5a

    +3-unmap-page-debugging.patch

    New version of Manfred's unmap-unused-kernel-pages debug patch

    +sysv-semundo-fixes.patch

    sysv IPC fixes

    +raw-devfs-support.patch

    devfs support for /dev/raw/*

    +misc5.patch

    Misc fixes

    +scroll-distance-fix.patch

    Support console scrolling of more then +127/-128 rows

    +generic-io-contexts.patch
    +blk-request-batching.patch
    +get_io_context-fix.patch
    +blk-allocation-commentary.patch
    +blk-batching-throttle-fix.patch

    Block request batching fairness and efficiency.

    +io_submit_one-EINVAL-fix.patch

    AIO error handling fix.

    -aio-poll.patch

    Dropped: apparently incorrect and obviously not being tested.

    +lock_buffer_wq-fix.patch

    buffer locking BUG fix

    +unuse_mm-locked.patch

    Might fix some problems with the new AIO patches.

    +time-goes-backwards.patch

    Demonstrate that do_gettimeofday() tends to leap backwards 45 seconds.

    +keventd-thread-cleanup.patch

    kmod fixes

    +skip-apic-ids-on-boot.patch

    Ability to disable specific APICs

    +AT_SECURE-auxv-entry.patch

    Security stuff






    All 176 patches:


    mm.patch
    add -mmN to EXTRAVERSION

    kgdb-ga.patch
    kgdb stub for ia32 (George Anzinger's one)

    kgdb-use-ggdb.patch

    HZ-100.patch

    config_spinline.patch
    uninline spinlocks for profiling accuracy.

    ppc64-fixes-2.patch
    Maek ppc64 compile

    ppc64-bat-initialisation-fix.patch
    ppc64: BAT initialisation fix

    ppc64-pci-update.patch

    ppc64-reloc_hide.patch

    ppc64-semaphore-reimplementation.patch
    ppc64: use the ia32 semaphore implementation

    sym-do-160.patch
    make the SYM driver do 160 MB/sec

    x86_64-fixes.patch
    x86_64 fixes

    irqreturn-snd-via-fix.patch
    via sound irqreturn fix

    config-PAGE_OFFSET.patch
    Configurable kenrel/user memory split

    pcmcia-detect-fix.patch
    pcmcia detection fix

    lru_cache_add-check.patch
    lru_cache_add debug check

    delay-ksoftirqd-fallback.patch
    Try harded in IRQ context before falling back to ksoftirqd

    fb-image-depth-fix.patch
    fbdev image depth fix

    ds-09-vicam-usercopy-fix.patch
    vicam usercopy fix

    buffer-debug.patch
    buffer.c debugging

    show_stack-cleanup.patch
    show_stack() portability and cleanup patch

    ppc64-show_stack.patch

    e100-use-after-free-fix.patch

    statfs64-3.patch
    Add system calls statfs64 and fstatfs64

    statfs64-3-fixes-1.patch

    1-kmem-cache-destroy.patch
    kmem_cache_destroy(): use slab_error()

    2-slab-poison-fix.patch
    slab poisoning fix

    3-unmap-page-debugging.patch
    page unmappng debug patch

    VM_RESERVED-check.patch
    VM_RESERVED check

    rcu-stats.patch
    RCU statistics reporting

    sysv-semundo-fixes.patch
    sysv semundo

    raw-devfs-support.patch
    raw.c devfs support

    ide_setting_sem-fix.patch

    hugetlbfs-size-inodes-mount-option.patch
    hugetlbfs: specify size & inodes at mount

    reslabify-pgds-and-pmds.patch
    re-slabify i386 pgd's and pmd's

    misc5.patch
    misc fixes

    scroll-distance-fix.patch
    Premit big console scrolls

    linux-isp.patch

    isp-update-1.patch

    isp-remove-pci_detect.patch

    list_del-debug.patch
    list_del debug check

    airo-schedule-fix.patch
    airo.c: don't sleep in atomic regions

    resurrect-batch_requests.patch
    bring back the batch_requests function

    kblockd.patch
    Create `kblockd' workqueue

    cfq-infrastructure.patch

    elevator-completion-api.patch
    elevator completion API

    as-iosched.patch
    anticipatory I/O scheduler

    as-proc-read-write.patch
    AS: pgbench improvement

    as-discrete-read-fifo-batches.patch
    AS: discrete read fifo batches

    as-sync-async.patch
    AS sync/async batches

    as-hash-removal-fix.patch
    AS: hash removal fix

    as-jumbo-patch-for-scsi.patch
    AS jumbo patch (for SCSI and TCQ)

    as-stupid.patch
    AS: fix stupid thinko

    as-no-batch-antic-limit.patch
    AS: no batch-antic-limit

    as-autotune-write-batches.patch
    AS: autotune write batches

    as-div-by-zero-fix.patch
    AS: divide by zero fix

    as-more-HZ.patch
    AS: more HZ != 1000 fixes

    as-even-more-write-batch-tuning.patch
    AS: update_write_batch tuning

    as-locking.patch
    AS locking

    as-HZ.patch
    AS HZ fixes

    as-double-free-and-debug.patch
    AS: fix a leak + more debugging

    as-fix-seek-estimation.patch
    AS: maybe repair performance drop of random read O_DIRECT

    as-fix-seeky-loads.patch
    AS: fix IBM's seek load

    unplug-use-kblockd.patch
    Use kblockd for running request queues

    cfq-2.patch
    CFQ scheduler, #2
    CFQ: update to rq-dyn API

    cfq-hash-removal-fix.patch
    CFQ: hash removal fix

    cfq-list_del-fix.patch
    CFQ: empty the queuelist

    per-queue-nr_requests.patch
    per queue nr_requests

    blk-invert-watermarks.patch
    blk_congestion_wait threshold cleanup

    blk-as-hint.patch
    blk-as-hint

    get_request_wait-oom-fix.patch
    handle OOM in get_request_wait().

    blk-fair-batches.patch
    blk-fair-batches

    blk-fair-batches-2.patch
    blk fair batches #2

    generic-io-contexts.patch
    generic io contexts

    blk-request-batching.patch
    block request batching

    get_io_context-fix.patch
    get_io_context fixes

    blk-allocation-commentary.patch
    block allocation comments

    blk-batching-throttle-fix.patch
    blk batch requests fix

    print-build-options-on-oops.patch
    print a few config options on oops

    mmap-prefault.patch
    prefault of executable mmaps

    bio-debug-trap.patch
    BIO debugging patch

    sound-irq-hack.patch

    show_task-free-stack-fix.patch
    show_task() fix and cleanup

    put_task_struct-debug.patch

    ia32-mknod64.patch
    mknod64 for ia32

    ext2-64-bit-special-inodes.patch
    ext2: support for 64-bit device nodes

    ext3-64-bit-special-inodes.patch
    ext3: support for 64-bit device nodes

    64-bit-dev_t-kdev_t.patch
    64-bit dev_t and kdev_t

    oops-dump-preceding-code.patch
    i386 oops output: dump preceding code

    lockmeter.patch

    ext3-no-bkl.patch
    ext3: move lock_kernel() down into the JBD layer.

    journal_get_write_access-speedup.patch
    JBD: journal_get_write_access() speedup

    ext3-concurrent-block-inode-allocation.patch
    ext3: concurrent block/inode allocation
    Fix orlov allocator boundary case

    ext3-concurrent-block-allocation-hashed.patch
    ext3: scalable counters and locks
    fix ext3 inode allocator race

    jbd-010-b_committed_data-race-fix.patch
    JBD: fix race over access to b_committed_data

    jbd-020-locking-schema.patch
    JBD: plan JBD locking schema

    jbd-030-remove-splice_lock.patch
    JBD: remove jh_splice_lock

    jbd-040-journal_add_journal_head-locking.patch
    JBD: fine-grain journal_add_journal_head locking

    jbd-045-rename-journal_unlock_journal_head.patch
    JBD: rename journal_unlock_journal_head to journal_put_journal_head

    jbd-050-b_frozen_data-locking.patch
    JBD: Finish protection of journal_head.b_frozen_data

    jbd-060-b_committed_data-locking.patch
    JBD: implement b_committed_data locking

    jbd-070-b_transaction-locking.patch
    JBD: implement b_transaction locking rules

    jbd-080-b_next_transaction-locking.patch
    JBD: Implement b_next_transaction locking rules

    jbd-090-b_tnext-locking.patch
    JBD: b_tnext locking

    jbd-100-remove-journal_datalist_lock.patch
    JBD: remove journal_datalist_lock

    jbd-110-t_nr_buffers-locking.patch
    JBD: t_nr_buffers locking

    jbd-120-t_updates-locking.patch
    JBD: t_updates locking

    jbd-130-t_outstanding_credits-locking.patch
    JBD: implement t_outstanding_credits locking

    jbd-140-t_jcb-locking.patch
    JBD: implement t_jcb locking

    jbd-150-j_barrier_count-locking.patch
    JBD: implement j_barrier_count locking

    jbd-160-j_running_transaction-locking.patch
    JBD: implement j_running_transaction locking

    jbd-170-j_committing_transaction-locking.patch
    JBD: implement j_committing_transaction locking

    jbd-180-j_checkpoint_transactions.patch
    JBD: implement j_checkpoint_transactions locking

    jbd-190-j_head-locking.patch
    JBD: implement journal->j_head locking

    jbd-200-j_tail-locking.patch
    JBD: implement journal->j_tail locking

    jbd-210-j_free-locking.patch
    JBD: implement journal->j_free locking

    jbd-220-j_commit_sequence-locking.patch
    JBD: implement journal->j_commit_sequence locking

    jbd-230-j_commit_request-locking.patch
    JBD: implement j_commit_request locking

    jbd-240-dual-revoke-tables.patch
    JBD: implement dual revoke tables.

    jbd-250-remove-sleep_on.patch
    JBD: remove remaining sleep_on()s

    jbd-300-remove-lock_kernel.patch
    JBD: remove lock_kernel()

    jbd-400-remove-lock_journal.patch
    JBD: remove lock_journal()

    jbd-510-h_credits-fix.patch
    JBD: journal_release_buffer: handle credits fix

    jbd-520-journal_unmap_buffer-race.patch
    JBD: journal_unmap_buffer race fix

    jbd-530-walk_page_buffers-race-fix.patch
    ext3: ext3_writepage race fix

    jbd-540-journal_try_to_free_buffers-race-fix.patch
    JBD: buffer freeing non-race comment

    jbd-550-locking-checks.patch
    JBD: add some locking assertions

    jbd-570-transaction-state-locking.patch
    JBD: additional transaction shutdown locking

    jbd-580-log_start_commit-race-fix.patch
    JBD: fix log_start_commit race

    jbd-590-do_get_write_access-speedup.patch
    JBD: do_get_write_access() speedup

    ext3-010-fix-journalled-data.patch
    ext3: fix data=journal mode

    ext3-035-journal_try_to_free_buffers-race-fix.patch

    ext3-040-recursive-ext3_write_inode-check.patch
    ext3: add a dump_stack()

    ext3-050-ioctl-transaction-leak.patch
    ext3: fix error-path handle leak

    ext3-070-xattr-clone-leak-fix.patch
    Fix leak in ext3_acl_chmod()

    ext3-080-remove-block-inode-count-message.patch
    ext3: remove mount-time diagnostic messages

    jbd-600-journal_dirty_metadata-speedup.patch
    JBD: journal_dirty_metadata() speedup

    jbd-610-journal_dirty_metadata-diags.patch
    JBD: journal_dirty_metadata diagnostics

    jbd-620-commit-vs-start-race-fix.patch
    JBD: fix race between journal_commit_transaction and start_this_handle

    ext3-090-journalled-writepage-vs-truncate-fix.patch
    ext3: fix data=journal for small blocksize

    jbd-630-remove-j_commit_timer_active.patch
    JBD: remove j_commit_timer_active

    jbd-650-truncate-ordered-pages.patch
    ext3: explicitly free truncated pages

    jbd-660-log_do_checkpoint-fix.patch
    JBD: log_do_checkpoint() locking fixes

    jbd-670-log_start_commit-locking-fix.patch
    JBD: fix locking around log_start_commit()

    jbd-680-log_wait_for_space-fix.patch
    JBD: hold onto j_state_lock after log_wait_for_space().

    invalidate_mmap_range.patch
    Interface to invalidate regions of mmaps

    aio-01-retry.patch
    AIO: Core retry infrastructure

    io_submit_one-EINVAL-fix.patch
    Fix aio process hang on EINVAL

    aio-02-lockpage_wq.patch
    AIO: Async page wait

    aio-03-fs_read.patch
    AIO: Filesystem aio read

    aio-04-buffer_wq.patch
    AIO: Async buffer wait

    aio-05-fs_write.patch
    AIO: Filesystem aio write

    aio-05-fs_write-fix.patch

    aio-06-bread_wq.patch
    AIO: Async block read

    aio-06-bread_wq-fix.patch

    aio-07-ext2getblk_wq.patch
    AIO: Async get block for ext2

    O_SYNC-speedup-2.patch
    speed up O_SYNC writes

    aio-09-o_sync.patch
    aio O_SYNC

    aio-10-BUG-fix.patch
    AIO: fix a BUG

    aio-11-workqueue-flush.patch
    AIO: flush workqueues before destroying ioctx'es

    aio-12-readahead.patch
    AIO: readahead fixes

    lock_buffer_wq-fix.patch
    lock_buffer_wq fix

    unuse_mm-locked.patch
    AIO: hold the context lock across unuse_mm

    vfsmount_lock.patch
    From: Maneesh Soni <maneesh@in.ibm.com>
    Subject: [patch 1/2] vfsmount_lock

    syncppp-locking-fix.patch
    syncppp locking fix

    sched-hot-balancing-fix.patch
    fix for CPU scheduler load distribution

    truncate-pagefault-race-fix.patch
    Fix vmtruncate race and distributed filesystem race

    remove-swapper_inode.patch
    remove swapper_inode

    sync-write-more-pages.patch
    dirty inode writeback fix

    workqueue-reorg-fix.patch
    workqueue.c subtle fix and core extraction

    task_struct-use-after-free-fix.patch
    proc_pid_lookup use-after-free fix

    sleepometer.patch
    sleep instrumentation

    time-goes-backwards.patch
    demonstrate do_gettimeofday() going backwards

    keventd-thread-cleanup.patch
    Fix kmod return value

    skip-apic-ids-on-boot.patch
    skip apicids on boot

    AT_SECURE-auxv-entry.patch
    AT_SECURE auxv entry



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