2.5.68-mjb2

From: Martin J. Bligh (mbligh@aracnet.com)
Date: Thu Apr 24 2003 - 23:23:30 EST


The patchset contains mainly scalability and NUMA stuff, and anything
else that stops things from irritating me. It's meant to be pretty stable,
not so much a testing ground for new stuff.

I'd be very interested in feedback from anyone willing to test on any
platform, however large or small.

ftp://ftp.kernel.org/pub/linux/kernel/people/mbligh/2.5.68/patch-2.5.68-mjb
2.bz2
(may take a few minutes after sending this to appear)

additional:

(these two form the qlogic feral driver)
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.67/2.5.67
-mm1/broken-out/linux-isp.patch
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.67/2.5.67
-mm1/broken-out/isp-update-1.patch

(shared pagetables - will appear later ;-))
ftp://ftp.kernel.org/pub/linux/kernel/people/mbligh/2.5.68/shpte

Since 2.5.68-mjb1 (~ = changed, + = added, - = dropped)

Notes:

Now in Linus' tree:

New:

+ lost_tick_fix John Stultz
        Lost tick stuff
+ warn_e1000 Dave Hansen
        Kill e1000 warning
+ pidmaps_nodepages Dave Hansen
        Provide per-pid node mem usage info
+ dentry_stat_fix Maneesh
        corrects the dentry_stat.nr_unused calculation
+ follow_hugetlb_page Bill Irwin
        Fix follow_hugetlb_page()
+ hugetlb_mem_enough Bill Irwin
        fixes an overflow when there is more than 4GB of hugetlb
+ aio_fix Badari Pulavarty
        Fix something in AIO
+ config_numasched Dave Hansen
        Turn NUMA scheduler into a config option
+ lockmeter_tytso Ted Tso
        Fix lockmeter
+ aiofix2 Mingming Cao
        fixed a bug in ioctx_alloc()
+ oom_locking Bill Irwin / Robert Love
        Fix OOM locking

Pending:
Hyperthreaded scheduler (Ingo Molnar)
scheduler callers profiling (Anton or Bill Hartner)
Child runs first (akpm)
Kexec
e1000 fixes
Update the lost timer ticks code

Present in this patch:

early_printk Dave Hansen et al.
        Allow printk before console_init

confighz Andrew Morton / Dave Hansen
        Make HZ a config option of 100 Hz or 1000 Hz

config_page_offset Dave Hansen / Andrea
        Make PAGE_OFFSET a config option

numameminfo Martin Bligh / Keith Mannthey
        Expose NUMA meminfo information under /proc/meminfo.numa

schedstat Rick Lindsley
        Provide stats about the scheduler under /proc/schedstat

schedstat2 Rick Lindsley
        Provide more stats about the scheduler under /proc/schedstat

schedstat-scripts Rick Lindsley
        Provide some scripts for schedstat analysis under scripts/

sched_tunables Robert Love
        Provide tunable parameters for the scheduler (+ NUMA scheduler)

node_balance Martin J. Bligh
        Turn on node balance - it's not overagressive anymore

irq_affinity Martin J. Bligh
        Workaround for irq_affinity on clustered apic mode systems (eg x440)

partial_objrmap Dave McCracken
        Object based rmap for filebacked pages.

objrmap_fix Dave McCracken
        Fix detection of anon pages

objrmap_fixes Dave McCracken / Hugh Dickins
        Fix up some mapped sizing bugs in objrmap

objrmap_mapcount Dave McCracken
        Fix up some mapped sizing bugs in objrmap

kgdb Andrew Morton
        The older version of kgdb, synched with 2.5.54-mm1

kprobes Vamsi Krishna S
        Add kernel probes hooks to the kernel

thread_info_cleanup (4K stacks pt 1) Dave Hansen / Ben LaHaise
        Prep work to reduce kernel stacks to 4K
        
interrupt_stacks (4K stacks pt 2) Dave Hansen / Ben LaHaise
        Create a per-cpu interrupt stack.

stack_usage_check (4K stacks pt 3) Dave Hansen / Ben LaHaise
        Check for kernel stack overflows.

4k_stack (4K stacks pt 4) Dave Hansen
        Config option to reduce kernel stacks to 4K

fix_kgdb Dave Hansen
        Fix interaction between kgdb and 4K stacks

stacks_from_slab William Lee Irwin
        Take kernel stacks from the slab cache, not page allocation.

thread_under_page William Lee Irwin
        Fix THREAD_SIZE < PAGE_SIZE case

lkcd LKCD team
        Linux kernel crash dump support

percpu_loadavg Martin J. Bligh
        Provide per-cpu loadaverages, and real load averages

spinlock_inlining Andrew Morton
        Inline spinlocks for profiling. Made into a ugly config option by me.

summit_pcimap Matt Dobson
        Provide pci bus -> node mapping for x440

# shpte Dave McCracken
        Shared pagetables

reiserfs_dio Mingming Cao
        DIO for Reiserfs

sched_interactive Ingo Molnar
        Bugfix for interactive scheduler

kgdb_cleanup Martin J. Bligh
        Stop kgdb renaming schedule to do_schedule when it's not even enabled

acenic_fix Martin J. Bligh
        Fix warning in acenic driver

sisfix Martin J. Bligh
        Fix warning & bug in sis900 driver

local_balance_exec Martin J. Bligh
        Modify balance_exec to use node-local queues when idle

membind Matt Dobson
        NUMA memory binding API

tcp_speedup Martin J. Bligh
        Speedup TCP (avoid double copy) as suggested by Linus

early_printk_fix Keith Mannthey
        Fix commandline parsing in early printk (yay!)

disable preempt Martin J. Bligh
        I broke preempt somehow, temporarily disable it to stop accidents

sched_idle Martin J. Bligh
        Call load_balance with proper idle flag (pointed out by John Hawkes)

diskstats Rick Lindsley
        Make disk stats available in /proc so they scale to lotsa disks.

ppc64 fixes Anton Blanchard
        Various PPC64 fixes / updates

numameminfo fix Martin J. Bligh
        Correct /proc/meminfo.numa for zholes_size.

more_async Andrew Morton
        Make MS_ASYNC more async

separate_pmd Dave Hansen
        Separate kernel pmd per process

config_debug Martin J. Bligh
        Make '-g' for the kernel a config option

akpm_bear_pit Andrew Morton
        Add a printk for some buffer error I was hitting

32bit_dev_t Andries Brouwer
        Make dev_t 32 bit

dynamic_hd_struct Badari Pulavarty
        Allocate hd_structs dynamically

devfs_fixup Badari Pulavarty ?
        Fix some random thing in devfs

iosched_hashes Badari Pulavarty
        Twiddle with the iosched hash tables for fun & profit

lotsa_sds Badari Pulavarty
        Create some insane number of sds

per_node_idt Zwane Mwaikambo
        Per node IDT so we can do silly numbers of IO-APICs on NUMA-Q

banana_split Dave Hansen
        Provide non PMD aligned splits with PAE mode (eg 3.5:0.5)

tulip_warning Dave Hansen
        Fix silly warning in tulip driver for PAE mode

lost_tick_fix John Stultz
        Lost tick stuff

warn_e1000 Dave Hansen
        Kill e1000 warning

pidmaps_nodepages Dave Hansen
        Provide per-pid node mem usage info

dentry_stat_fix Maneesh
        corrects the dentry_stat.nr_unused calculation

follow_hugetlb_page Bill Irwin
        Fix follow_hugetlb_page()

hugetlb_mem_enough Bill Irwin
        fixes an overflow when there is more than 4GB of hugetlb

aio_fix Badari Pulavarty
        Fix something in AIO

config_numasched Dave Hansen
        Turn NUMA scheduler into a config option

lockmeter_tytso Ted Tso
        Fix lockmeter

aiofix2 Mingming Cao
        fixed a bug in ioctx_alloc()

oom_locking Bill Irwin / Robert Love
        Fix OOM locking

-mjb Martin J. Bligh
        Add a tag to the makefile

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