Following up to feedback on his merge plans [story], Andrew Morton [interview] posted an updated summary of what he is pushing upstream for inclusion in the upcoming 2.6.22 kernel. His list included, "a few serial bits, a few pcmcia bits, one little security patch, the blackfin architecture, small h8300 update, small alpha update, swsusp updates, m68k bits, and lots of UML updates." He also noted that he'll push some of the memory management queue including, "an enhancement to /proc/pid/smaps to permit monitoring of a running program's working set. The SLUB allocator, it's pretty green but I do want to push ahead with this pretty aggressively with a view to replacing slab altogether. Generic pagetable quicklist management. We have x86_64 and ia64 and sparc64 implementations, but I'll only include David's sparc64 implementation here. I'll send the x86_64 and ia64 implementations through maintainers."

From: Andrew Morton [email blocked]
Subject: incoming
Date:	Wed, 2 May 2007 15:02:52 -0700


So this is what I have lined up for the first mm->2.6.22 batch.  I won't be
sending it off for another 12-24 hours yet.  To give people time for final
comment and to give me time to see if it actually works.



- A few serial bits.

- A few pcmcia bits.

- Some of the MM queue.  Includes:

  - An enhancement to /proc/pid/smaps to permit monitoring of a running
    program's working set.

    There's another patchset which builds on this quite a lot from Matt
    Mackall, but it's not quite ready yet.

  - The SLUB allocator.  It's pretty green but I do want to push ahead
    with this pretty aggressively with a view to replacing slab altogether.

    If it ends up not working out then we should remove slub altogether
    again, but I doubt if that will occur.

    If SLUB isn't in good shape by 2.6.22 we should hide it in Kconfig
    to prevent people from hitting known problems.  It'll remain
    EXPERIMENTAL.

  - generic pagetable quicklist management.  We have x86_64 and ia64
    and sparc64 implementations, but I'll only include David's sparc64
    implementation here.  I'll send the x86_64 and ia64 implementations
    through maintainers.

  - Various random MM bits

  - Benh's teach-get_unmapped_area-about-MAP_FIXED changes

  - madvise(MADV_FREE)



  This means I'm holding back Mel's page allocator work, and Andy's
  lumpy-reclaim.

  A shame in a way - I have high hopes for lumpy reclaim against the
  moveable zone, but these things are not to be done lightly.

  A few MM things have been held back awaiting subsystem tree merges
  (probably x86 - I didn't check).


- One little security patch

- the blackfin architecture

- small h8300 update

- small alpha update

- swsusp updates

- m68k bits

- cris udpates

- Lots of UML updates

- v850, xtensa



slab-introduce-krealloc.patch
at91_cf-minor-fix.patch
add-new_id-to-pcmcia-drivers.patch
ide-cs-recognize-2gb-compactflash-from-transcend.patch
serial-driver-pmc-msp71xx.patch
rm9000-serial-driver.patch
serial-define-fixed_port-flag-for-serial_core.patch
serial-use-resource_size_t-for-serial-port-io-addresses.patch
mpsc-serial-driver-tx-locking.patch
8250_pci-fix-pci-must_checks.patch
serial-serial_core-use-pr_debug.patch
add-apply_to_page_range-which-applies-a-function-to-a-pte-range.patch
safer-nr_node_ids-and-nr_node_ids-determination-and-initial.patch
use-zvc-counters-to-establish-exact-size-of-dirtyable-pages.patch
proper-prototype-for-hugetlb_get_unmapped_area.patch
mm-remove-gcc-workaround.patch
slab-ensure-cache_alloc_refill-terminates.patch
mm-make-read_cache_page-synchronous.patch
fs-buffer-dont-pageuptodate-without-page-locked.patch
allow-oom_adj-of-saintly-processes.patch
introduce-config_has_dma.patch
mm-slabc-proper-prototypes.patch
add-pfn_valid_within-helper-for-sub-max_order-hole-detection.patch
mm-simplify-filemap_nopage.patch
add-unitialized_var-macro-for-suppressing-gcc-warnings.patch
i386-add-ptep_test_and_clear_dirtyyoung.patch
i386-use-pte_update_defer-in-ptep_test_and_clear_dirtyyoung.patch
smaps-extract-pmd-walker-from-smaps-code.patch
smaps-add-pages-referenced-count-to-smaps.patch
smaps-add-clear_refs-file-to-clear-reference.patch
readahead-improve-heuristic-detecting-sequential-reads.patch
readahead-code-cleanup.patch
slab-use-num_possible_cpus-in-enable_cpucache.patch
slab-dont-allocate-empty-shared-caches.patch
slab-numa-kmem_cache-diet.patch
do-not-disable-interrupts-when-reading-min_free_kbytes.patch
slab-mark-set_up_list3s-__init.patch
cpusets-allow-tif_memdie-threads-to-allocate-anywhere.patch
i386-use-page-allocator-to-allocate-thread_info-structure.patch
slub-core.patch
make-page-private-usable-in-compound-pages-v1.patch
optimize-compound_head-by-avoiding-a-shared-page.patch
add-virt_to_head_page-and-consolidate-code-in-slab-and-slub.patch
slub-fix-object-tracking.patch
slub-enable-tracking-of-full-slabs.patch
slub-validation-of-slabs-metadata-and-guard-zones.patch
slub-add-min_partial.patch
slub-add-ability-to-list-alloc--free-callers-per-slab.patch
slub-free-slabs-and-sort-partial-slab-lists-in-kmem_cache_shrink.patch
slub-remove-object-activities-out-of-checking-functions.patch
slub-user-documentation.patch
slub-add-slabinfo-tool.patch
quicklists-for-page-table-pages.patch
quicklist-support-for-sparc64.patch
slob-handle-slab_panic-flag.patch
include-kern_-constant-in-printk-calls-in-mm-slabc.patch
mm-madvise-avoid-exclusive-mmap_sem.patch
mm-remove-destroy_dirty_buffers-from-invalidate_bdev.patch
mm-optimize-kill_bdev.patch
mm-optimize-acorn-partition-truncate.patch
slab-allocators-remove-obsolete-slab_must_hwcache_align.patch
kmem_cache-simplify-slab-cache-creation.patch
slab-allocators-remove-multiple-alignment-specifications.patch
fault-injection-fix-failslab-with-config_numa.patch
mm-fix-handling-of-panic_on_oom-when-cpusets-are-in-use.patch
oom-fix-constraint-deadlock.patch
get_unmapped_area-handles-map_fixed-on-powerpc.patch
get_unmapped_area-handles-map_fixed-on-alpha.patch
get_unmapped_area-handles-map_fixed-on-arm.patch
get_unmapped_area-handles-map_fixed-on-frv.patch
get_unmapped_area-handles-map_fixed-on-i386.patch
get_unmapped_area-handles-map_fixed-on-ia64.patch
get_unmapped_area-handles-map_fixed-on-parisc.patch
get_unmapped_area-handles-map_fixed-on-sparc64.patch
get_unmapped_area-handles-map_fixed-on-x86_64.patch
get_unmapped_area-handles-map_fixed-in-hugetlbfs.patch
get_unmapped_area-handles-map_fixed-in-generic-code.patch
get_unmapped_area-doesnt-need-hugetlbfs-hacks-anymore.patch
slab-allocators-remove-slab_debug_initial-flag.patch
slab-allocators-remove-slab_ctor_atomic.patch
slab-allocators-remove-useless-__gfp_no_grow-flag.patch
lazy-freeing-of-memory-through-madv_free.patch
restore-madv_dontneed-to-its-original-linux-behaviour.patch
hugetlbfs-add-null-check-in-hugetlb_zero_setup.patch
slob-fix-page-order-calculation-on-not-4kb-page.patch
page-migration-only-migrate-pages-if-allocation-in-the-highest-zone-is-possible.patch
return-eperm-not-echild-on-security_task_wait-failure.patch
blackfin-arch.patch
driver_bfin_serial_core.patch
blackfin-on-chip-ethernet-mac-controller-driver.patch
blackfin-patch-add-blackfin-support-in-smc91x.patch
blackfin-on-chip-rtc-controller-driver.patch
blackfin-blackfin-on-chip-spi-controller-driver.patch
convert-h8-300-to-generic-timekeeping.patch
h8300-generic-irq.patch
h8300-add-zimage-support.patch
round_up-macro-cleanup-in-arch-alpha-kernel-osf_sysc.patch
alpha-fix-bootp-image-creation.patch
alpha-prctl-macros.patch
srmcons-fix-kmallocgfp_kernel-inside-spinlock.patch
arm26-remove-useless-config-option-generic_bust_spinlock.patch
fix-refrigerator-vs-thaw_process-race.patch
swsusp-use-inline-functions-for-changing-page-flags.patch
swsusp-do-not-use-page-flags.patch
mm-remove-unused-page-flags.patch
swsusp-fix-error-paths-in-snapshot_open.patch
swsusp-use-gfp_kernel-for-creating-basic-data-structures.patch
freezer-remove-pf_nofreeze-from-handle_initrd.patch
swsusp-use-rbtree-for-tracking-allocated-swap.patch
freezer-fix-racy-usage-of-try_to_freeze-in-kswapd.patch
remove-software_suspend.patch
power-management-change-sys-power-disk-display.patch
kconfig-mentioneds-hibernation-not-just-swsusp.patch
swsusp-fix-snapshot_release.patch
swsusp-free-more-memory.patch
remove-unused-header-file-arch-m68k-atari-atasoundh.patch
spin_lock_unlocked-cleanup-in-arch-m68k.patch
remove-unused-header-file-drivers-serial-crisv10h.patch
cris-check-for-memory-allocation.patch
cris-remove-code-related-to-pre-22-kernel.patch
uml-delete-unused-code.patch
uml-formatting-fixes.patch
uml-host_info-tidying.patch
uml-mark-tt-mode-code-for-future-removal.patch
uml-print-coredump-limits.patch
uml-handle-block-device-hotplug-errors.patch
uml-driver-formatting-fixes.patch
uml-driver-formatting-fixes-fix.patch
uml-network-interface-hotplug-error-handling.patch
array_size-check-for-type.patch
uml-move-sigio-testing-to-sigioc.patch
uml-create-archh.patch
uml-create-as-layouth.patch
uml-move-remaining-useful-contents-of-user_utilh.patch
uml-remove-user_utilh.patch
uml-add-missing-__init-declarations.patch
remove-unused-header-file-arch-um-kernel-tt-include-mode_kern-tth.patch
uml-improve-checking-and-diagnostics-of-ethernet-macs.patch
uml-eliminate-temporary-buffer-in-eth_configure.patch
uml-replace-one-element-array-with-zero-element-array.patch
uml-fix-umid-in-xterm-titles.patch
uml-speed-up-exec.patch
uml-no-locking-needed-in-tlsc.patch
uml-tidy-processc.patch
uml-remove-page_size.patch
uml-kernel_thread-shouldnt-panic.patch
uml-tidy-fault-code.patch
uml-kernel-segfaults-should-dump-proper-registers.patch
uml-comment-early-boot-locking.patch
uml-irq-locking-commentary.patch
uml-delete-host_frame_size.patch
uml-drivers-get-release-methods.patch
uml-dump-registers-on-ptrace-or-wait-failure.patch
uml-speed-up-page-table-walking.patch
uml-remove-unused-x86_64-code.patch
uml-start-fixing-os_read_file-and-os_write_file.patch
uml-tidy-libc-code.patch
uml-convert-libc-layer-to-call-read-and-write.patch
uml-batch-i-o-requests.patch
uml-send-pointers-instead-of-structures-to-i-o-thread.patch
uml-send-pointers-instead-of-structures-to-i-o-thread-fix.patch
uml-dump-core-on-panic.patch
uml-dont-try-to-handle-signals-on-initial-process-stack.patch
uml-change-remaining-callers-of-os_read_write_file.patch
uml-formatting-fixes-around-os_read_write_file-callers.patch
uml-remove-debugging-remnants.patch
uml-rename-os_read_write_file_k-back-to-os_read_write_file.patch
uml-aio-deadlock-avoidance.patch
uml-speed-page-fault-path.patch
uml-eliminate-a-piece-of-debugging-code.patch
uml-more-page-fault-path-trimming.patch
uml-only-flush-areas-covered-by-vma.patch
uml-out-of-tmpfs-space-error-clarification.patch
uml-virtualized-time-fix.patch
uml-fix-prototypes.patch
v850-generic-timekeeping-conversion.patch
xtensa-strlcpy-is-smart-enough.patch

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• Archive of above thread
• KernelTrap interview with Andrew Morton