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SubjectRe: 2.6.0-test9-mm3


> - Several ext2 and ext3 allocator fixes. These need serious testing on big
> SMP.

OK, ext3 survived a swatting on the 16-way as well. It's still slow as snot,
but it does work ;-) No changes from before, methinks.

Diffprofile for kernbench (-j) from ext2 to ext3 on mm3

27022 16.3% total
24069 53.3% default_idle
583 2.4% page_remove_rmap
539 248.4% fd_install
478 388.6% __blk_queue_bounce
319 4.0% __d_lookup
220 122.9% may_open
204 68.2% filemap_nopage
124 0.0% journal_add_journal_head
122 321.1% __find_get_block_slow
122 0.0% do_get_write_access
101 57.1% generic_fillattr
...
-52 -73.2% .text.lock.highmem
-52 -94.5% generic_file_read
-53 -18.7% do_generic_mapping_read
-58 -3.3% do_no_page
-65 -13.0% page_address
-65 -60.2% kmap_high
-74 -100.0% grab_block
-75 -3.3% do_page_fault
-85 -1.9% __copy_from_user_ll
-273 -19.5% link_path_walk
-299 -6.5% find_get_page
-758 -100.0% generic_file_open

SDET:

1726439 214.7% total
1383611 345.4% default_idle
115417 0.0% .text.lock.transaction
79362 0.0% find_next_usable_block
38003 0.0% do_get_write_access
32429 2316.4% __down
31231 0.0% journal_dirty_metadata
15114 553.8% schedule
14350 1253.3% __wake_up
13459 0.0% start_this_handle
13100 0.0% journal_stop
...
-1105 -25.1% copy_mm
-1144 -100.0% generic_file_open
-1205 -45.0% .text.lock.dec_and_lock
-1342 -100.0% ext2_new_inode
-1365 -50.5% follow_mount
-1453 -100.0% grab_block
-1580 -30.5% remove_shared_vm_struct
-1759 -11.0% copy_page_range
-2145 -18.4% __d_lookup
-2157 -35.6% path_lookup
-2222 -33.7% atomic_dec_and_lock
-2813 -25.0% release_pages
-3764 -19.1% zap_pte_range
-8954 -21.2% page_add_rmap
-22707 -25.0% page_remove_rmap
-
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