- The faster copy_*_user patch for Intel ia32 CPUs has been updated to
be a little faster.
- A few 2.5.43 compilation fixes are included.
- Ingo's get_unmapped_area() speedup is added
- Included the extended attributes and posix ACL code. This feature
is late, IMO. People who want this would be advised to help shake
it down.
- There are still a few problems with the shared pagetable code. One
of David's fixup patches didn't work out, so there are two followup
patches over in the experimental/ directory. They're for David - don't
use them.
- There's a little tweak here (no-reclaim-throttle.patch) which will
improve interactivity on small machines during heavy writeout.
But generally, for those people who have had problems with sluggishness
and swappiness in the 2.5 VM: 2.5.43 pretty much has it all. Please
give it a shot.
/proc/sys/vm/swappiness is available for playing with. Default value
is 60%, and 100 gives you the previous 2.5 behaviour.
Some things are slower - most notably things which involve simultaneous
reading from and writing to the same disk. Such workloads were traded
off against latency under write loads. I expect that with careful attention
some of this can be pulled back, but it's not a large regression. Maybe
up to 10-20%.
Since 2.5.42-mm3:
+mpparse-fix.patch
+md-fix.patch
2.5.43 compile fixes
-oprofile-25.patch
Merged
+disable-ppc-lbd.patch
Don't offer 64-bit sector_t on PPC32
+reiserfs-kmap-fix.patch
Fix a highmem oops in reiserfs_ioctl()
+refill-inactive-lockup-fix.patch
Fix a VM lockup under weird loads
+simple_rename-link-count.patch
Fix fs/libfs:simple_rename()
+static-filemap_sync.patch
Make filemap_sync() static, don't export to modules
-raid0-fix.patch
-fsync_buffers_list-fix.patch
Merged
-intel-user-copy.patch
+intel-user-copy-taka.patch
New, improved
+meminfo-numa.patch
Add /proc/meminfo.numa
+ingo-mmap-speedup.patch
Faster search heuristic for mmap()
+ingo-oom-kill.patch
Make the oom killer smarter for threaded apps
+vmalloc-overalloc.patch
Don't allocate an extra page in vmalloc()
+no-reclaim-throttle.patch
Don't make writers wait on writeback in page reclaim
+shpte-lock-ranking-fix.patch
shared pagetable locking fix
+handle-mm-fault-locking.patch
+mremap-shared-pagetable-fix.patch
shared pagetable fixes
-xattr-2.patch
-xattr-shrinker.patch
-xattr-3.patch
-xattr-4.patch
Obsoleted
+xattr-01-metablock-cache.patch
+xattr-02-ext3.patch
+xattr-03-ext2.patch
+fix-xattr.patch
Extended Attributes, and a fix thereto
+posix-acl-01-core.patch
+posix-acl-02-umask.patch
+posix-acl-03-user-api.patch
+posix-acl-04-ext3.patch
Posix ACLs
+acl-ext3-fix-tree.patch
+acl-ext3-inode.patch
Fixes to the above
+posix-acl-05-ext2.patch
Posix ACLs
+ext23-mount-options.patch
Clean up parsing of ext2/3 mount options
-rcu_ltimer.patch
Merged
mpparse-fix.patch
md-fix.patch
kgdb.patch
disable-ppc-lbd.patch
Disable CONFIG_LBD for ppc32
mod_timer-race.patch
net-loopback.patch
Disable second copy in the network loopback driver
reiserfs-kmap-fix.patch
reiserfs: remove stray kunmap
blkdev-o_direct-short-read.patch
Fix O_DIRECT blockdev reads at end-of-device
refill-inactive-lockup-fix.patch
Fix a refill_inactive_zone lockup
orlov-allocator.patch
blk-queue-bounce.patch
inline blk_queue_bounce
lseek-ext2_readdir.patch
remove lock_kernel() from ext2_readdir()
dio-fine-alignment.patch
Allow O_DIRECT to use 512-byte alignment
write-deadlock.patch
Fix the generic_file_write-from-same-mmapped-page deadlock
rd-cleanup.patch
Cleanup and fix the ramdisk driver (doesn't work right yet)
spin-lock-check.patch
spinlock/rwlock checking infrastructure
hugetlb-prefault.patch
hugetlbpages: factor out some code for hugetlbfs
ramfs-aops.patch
Move ramfs address_space ops into libfs
hugetlb-header-split.patch
Move hugetlb declarations into their own header
hugetlbfs.patch
hugetlbfs file system
hugetlb-shm.patch
hugetlbfs backing for SYSV shared memory
page_reserved-accounting.patch
Global PageReserved accounting
use-page_reserved_accounting.patch
Use PG_reserved accounting in the VM
ramfs-prepare-write-speedup.patch
correctness fixes in libfs address_space ops
simple_rename-link-count.patch
Fix link count in simple_rename()
truncate-bkl.patch
don't take the BKL in inode_setattr
static-filemap_sync.patch
Make filemap_sync() static
akpm-deadline.patch
deadline scheduler tweaks
intel-user-copy-taka.patch
Faster copy_*_user for Intel ia32 CPUs
meminfo-numa.patch
NUMA: /proc/meminfo.numa
rmqueue_bulk.patch
bulk page allocator
free_pages_bulk.patch
Bulk page freeing function
hot_cold_pages.patch
Hot/Cold pages and zone->lock amortisation
readahead-cold-pages.patch
Use cache-cold pages for pagecache reads.
pagevec-hot-cold-hint.patch
hot/cold hints for truncate and page reclaim
page-reservation.patch
Page reservation API
wli-show_free_areas.patch
show_free_areas extensions
o_streaming.patch
O_STREAMING support
ingo-mmap-speedup.patch
Ingo's mmap speedup
ingo-oom-kill.patch
oom-killer changes for threaded apps
vmalloc-overalloc.patch
Avoid overallocating pages in vmalloc()
add_timer_on.patch
add_timer_on(): function to start a timer on a particular CPU
slab-split-01-rename.patch
slab cleanup: rename static functions
slab-split-02-SMP.patch
slab: enable the cpu arrays on uniprocessor
slab-split-03-tail.patch
slab: reduced internal fragmentation
slab-split-04-drain.patch
slab: take the spinlock in the drain function.
slab-split-05-name.patch
slab: remove spaces from /proc identifiers
slab-split-06-mand-cpuarray.patch
slab: cleanups and speedups
slab-split-07-inline.patch
slab: uninline poisoning checks
slab-split-08-reap.patch
slab: reap timers
slab-timer.patch
slab-use-sem.patch
no-reclaim-throttle.patch
Don't wait on page writeout in page reclaim
fs-inlines.patch
Kill some inlining in fs/*
mm-inlines.patch
remove some inlines from mm/*
uninline-highmem.patch
uninline the highmem mapping functions
shpte.patch
shpte-lock-ranking-fix.patch
shared pte lock ranking fix
shmmap.patch
Proactively share page tables for shared memory
handle-mm-fault-locking.patch
handle_mm_fault locking fix
mremap-shared-pagetable-fix.patch
fix mremap for shared page tables
xattr-01-metablock-cache.patch
EA: meta block cache
xattr-02-ext3.patch
EA: ext3 support
xattr-03-ext2.patch
EA: ext2 support
fix-xattr.patch
EA: compile warning fix
posix-acl-01-core.patch
posixacl: core support
posix-acl-02-umask.patch
posixacl: umask support
posix-acl-03-user-api.patch
posixacl: user API
posix-acl-04-ext3.patch
posixacl: ext3 support
acl-ext3-fix-tree.patch
acl-ext3-inode.patch
posix-acl-05-ext2.patch
posixacl: ext2 support
ext23-mount-options.patch
ext2/3 mount option processing cleanup
read_barrier_depends.patch
extended barrier primitives
dcache_rcu.patch
Use RCU for dcache
mpopulate.patch
remap_file_pages
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