Reminder: it breaks top(1) and vmstat(1). Updates to these tools
are at http://surriel.com/procps/
+ide-high-1.patch
Fix block-highmem for IDE. From Jens.
+ide-block-fix-1.patch
Fix some boot-time hang which I had. From Jens.
-writeback-control.patch
-free_area_init-cleanup.patch
-alloc_pages-cleanup.patch
-statm_pgd_range-sucks.patch
-remove-sync_thresh.patch
-vm-mapping-fix.patch
-taka-writev.patch
-writev-fix.patch
-pf_nowarn.patch
-misc.patch
-release_pages-speedup.patch
-highmem-huge-tlb.patch
Merged
+might_sleep.patch
Debug patch to catch people calling things like kmalloc(__GFP_WAIT),
down(), etc from inside spinlocks. This is a much stronger test than
the one in schedule(). It's really only effective with CONFIG_PREEMPT=y.
Causes a storm of complaints and stack backtraces at boot due to
drivers/ide/ide-probe.c:init_irq() calling lots of things which it
shouldn't under ide_lock. It will find other bugs.
+set_page_dirty-locking-fix.patch
We don't need to hold mapping->private_lock while moving the page
onto its mapping's dirty_pages list.
+swsusp-feature.patch
Feature for software suspend to force page reclaim. Doesn't work right.
+adaptec-fix.patch
Fix the lockup which happens each time the aic7xxx driver encounters
an IO error.
+remove-page-virtual.patch
Remove page->virtual, hash for it.
+dirty-memory-clamp.patch
Kill off the secret benchmarking feature which allowed the dirty memory
threshold to be exceeded when running dbench. Makes the kernel really
strict about limiting the amount of dirty memory and should make the
buffer_head stripping code more effective.
+mempool-wakeup-fix.patch
Fix a task lockup which can happen in mempool_alloc() when the number
of sleeping tasks exceeds the size of the mempool.
+remove-write_mapping_buffers.patch
Remove the write_mapping_buffers() function. It didn't work out.
+buffer_boundary-scheduling.patch
Use the buffer_boundary() block-mapping hint for scheduling of IO
against indirect blocks. This _does_ work out. Large-file writeback
is now smooth and seekless.
+ll_rw_block-cleanup.patch
Clean up the ll_rw_block() function.
+lseek-ext2_readdir.patch
Remove the lock_kernel() in ext2_readdir(). I'm fairly sure that it's
superfluous, and it was being irritating.
+discontig-no-contig_page_data.patch
Make sure that contig_page_data is undefined on discontigmem builds.
+per-node-zone_normal.patch
Make the normal zone per-node rather than global on the NUMAQ's.
+alloc_pages_node-cleanup.patch
Clean up alloc_pages_node()
+read_barrier_depends.patch
+rcu_ltimer.patch
+dcache_rcu.patch
The dcache RCU code.
I do not intend to send this on to Linus. It is not my area and I
do not understand the code.
But a 15% hit in specweb99 on an 8-way is sigificant and no other
solution has presented itself. So this way, this code gets some extra
testing. Plus clearing away this problem helps us to identify other
bottlenecks.
I shall keep these patches ticking over as a general service to the
people who are interested in, and working on 2.5 performance.
No real progress has been made on the writer-starves-reader problem
which is impacting the `contest' io_fullload test. This is a severe
problem - a streaming write is decreasing read performance from the
same disk by a factor of 4000. Working on it.
linus.patch
cset-1.565.1.13-to-1.565.6.1.txt.gz
ide-high-1.patch
ide-block-fix-1.patch
scsi_hack.patch
Fix block-highmem for scsi
ext3-htree.patch
Indexed directories for ext3
spin-lock-check.patch
spinlock/rwlock checking infrastructure
rd-cleanup.patch
Cleanup and fix the ramdisk driver (doesn't work right yet)
might_sleep.patch
debug code to detect might-sleep-inside-spinlock bugs
queue-congestion.patch
Infrastructure for communicating request queue congestion to the VM
nonblocking-ext2-preread.patch
avoid ext2 inode prereads if the queue is congested
nonblocking-pdflush.patch
non-blocking writeback infrastructure, use it for pdflush
nonblocking-vm.patch
Non-blocking page reclaim
set_page_dirty-locking-fix.patch
don't call __mark_inode_dirty under spinlock
prepare_to_wait.patch
prepare_to_wait/finish_wait: new sleep/wakeup API
vm-wakeups.patch
Use the faster wakeups in the VM and block layers
sync-helper.patch
Speed up sys_sync() against multiple spindles
slabasap.patch
Early and smarter shrinking of slabs
write-deadlock.patch
Fix the generic_file_write-from-same-mmapped-page deadlock
buddyinfo.patch
Add /proc/buddyinfo - stats on the free pages pool
free_area.patch
Remove struct free_area_struct and free_area_t, use `struct free_area'
per-node-kswapd.patch
Per-node kswapd instance
topology-api.patch
Simple topology API
radix_tree_gang_lookup.patch
radix tree gang lookup
truncate_inode_pages.patch
truncate/invalidate_inode_pages rewrite
proc_vmstat.patch
Move the vm accounting out of /proc/stat
kswapd-reclaim-stats.patch
Add kswapd_steal to /proc/vmstat
iowait.patch
I/O wait statistics
sard.patch
SARD disk accounting
remove-gfp_nfs.patch
remove GFP_NFS
tcp-wakeups.patch
Use fast wakeups in TCP/IPV4
swapoff-deadlock.patch
Fix a tmpfs swapoff deadlock
dirty-and-uptodate.patch
page state cleanup
shmem_rename.patch
shmem_rename() directory link count fix
dirent-size.patch
tmpfs: show a non-zero size for directories
tmpfs-trivia.patch
tmpfs: small fixlets
per-zone-vm.patch
separate the kswapd and direct reclaim code paths
swsusp-feature.patch
add shrink_all_memory() for swsusp
adaptec-fix.patch
partial fix for aic7xxx error recovery
remove-page-virtual.patch
remove page->virtual for !WANT_PAGE_VIRTUAL
dirty-memory-clamp.patch
sterner dirty-memory clamping
mempool-wakeup-fix.patch
Fix for stuck tasks in mempool_alloc()
remove-write_mapping_buffers.patch
Remove write_mapping_buffers
buffer_boundary-scheduling.patch
IO schduling for indirect blocks
ll_rw_block-cleanup.patch
cleanup ll_rw_block()
lseek-ext2_readdir.patch
remove lock_kernel() from ext2_readdir()
discontig-no-contig_page_data.patch
undefine contif_page_data for discontigmem
per-node-zone_normal.patch
ia32 NUMA: per-node ZONE_NORMAL
alloc_pages_node-cleanup.patch
alloc_pages_node cleanup
read_barrier_depends.patch
extended barrier primitives
rcu_ltimer.patch
RCU core
dcache_rcu.patch
Use RCU for dcache
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