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This patch for 2.5.28 fixes two explicit accesses to thread_info->cpu
in generic code to use the new UP-optimised macros instead.
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The patch below consolidates some duplicate code, reduces some
indentation, and adds a freeing of a page in mem_read() that could be left
unfreed, as far as I can see.
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into home.transmeta.com:/home/torvalds/v2.5/linux
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* ->i_dev followed the example of ->s_dev - it's dev_t now. All
remaining uses of ->i_dev either outright want dev_t (stat()) or couldn't
care less (printing major:minor in /proc/<pid>/maps, etc.)
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to user space. Convert to standard clock_t.
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Stop using "struct tms" internally - always use timer ticks (or one of
the sane timeval/timespec types) instead.
Explicitly convert to clock_t when copying to user space for the old
broken interfaces that still use "clock_t".
Clean up and unify jiffies<->timeval conversion.
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This patch removes the concept of "logical" CPU numbers, in
preparation for CPU hotplugging.
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Attached patch adds output of rt_priority and policy to
/proc/<pid>/stats.
This will not break compatibility with existing applications and will
allow ps(1) and friends to display pertinent scheduling information.
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This patch removes VALID_PAGE(), as the test was always too late for
discontinous memory configuration. It is replaced with pfn_valid()/
virt_addr_valid(), which are used to test the original input value.
Other helper functions:
pte_pfn() - extract the page number from a pte
pfn_to_page()/page_to_pfn() - convert a page number to/from a page struct
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Originally from Chris Mason <mason@suse.com>..
collect_sigign_sigcatch can race against exit_sighand. I haven't been
able to reproduce it, but I think it causes the oops reported in the
'Kernel Hangs 2.4.16 on heavy io Oracle Tivolie TSM' thread.
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This patch (#1) just converts the task_struct to use struct list_head rather
than direct pointers for maintaining the children list.
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enables the allocation of the pagetables in highmem.
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Big bits first, I'll redo the smaller bits tomorrow after some sleep.
Same as last time, rediffed against pre5
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syscall latency improvement
* There's now an asm/thread_info.h header file with the basic structure
def and asm offsets in it.
* There's now a linux/thread_info.h header file which includes the asm
version and wraps some bitops calls to make convenience functions for
accessing the low-level flags.
* The task_struct has had some fields removed (and some flags), and has
acquired a pointer to the thread_info struct.
* task_struct's are now allocated on slabs in kernel/fork.c, whereas
thread_info structs are allocated at the bottom of the stack pages.
* Some more convenience functions are provided at the end of linux/sched.h to
access flags in other tasks (these are here because they need to access the
task_struct).
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- Al Viro: fix up silly problem in swapfile filp cleanups in 2.5.2
- Tachino Nobuhiro: fix another error return for swapfile filp code
- Robert Love: merge some of Ingo's scheduler fixes
- David Miller: networking, sparc and some scsi driver fixes
- Tim Waugh: parport update
- OGAWA Hirofumi: fatfs cleanups and bugfixes
- Roland Dreier: fix vsscanf buglets.
- Ben LaHaise: include file cleanup
- Andre Hedrick: IDE taskfile update
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- Kai Germaschewski: ISDN updates
- Al Viro: start moving buffer cache indexing to "struct block_device *"
- Greg KH: USB update
- Russell King: fix up some ARM merge issues
- Ingo Molnar: scalable scheduler
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- Davide Libenzi: nicer timeslices for scheduler
- Arnaldo: wd7000 scsi driver cleanups and bio update
- Greg KH: USB update (including initial 2.0 support)
- me: strict typechecking on "kdev_t"
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- Christoph Hellwig: scsi_register_module cleanup
- Mikael Pettersson: apic.c LVTERR fixes
- Russell King: ARM update (including bio update for icside)
- Jens Axboe: more bio updates
- Al Viro: make ready to switch bread away from kdev_t..
- Davide Libenzi: scheduler cleanups
- Anders Gustafsson: LVM fixes for bio
- Richard Gooch: devfs update
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- Trond Myklebust: deadlock checking in lockd server
- Tim Waugh: fix up parport wrong #define
- Christoph Hellwig: i2c update, ext2 cleanup
- Al Viro: fix partition handling sanity check.
- Trond Myklebust: make NFS use SLAB_NOFS, and not play games with PF_MEMALLOC
- Ben Fennema: UDF update
- Alan Cox: continued merging
- Chris Mason: get /proc buffer memory sizes right after buf-in-page-cache
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- Manfred Spraul: /proc/pid/maps cleanup (and bugfix for non-x86)
- Al Viro: "block device fs" - cleanup of page cache handling
- Hugh Dickins: VM/shmem cleanups and swap search speedup
- David Miller: sparc updates, soc driver typo fix, net updates
- Jeff Garzik: network driver updates (dl2k, yellowfin and tulip)
- Neil Brown: knfsd cleanups and fixues
- Ben LaHaise: zap_page_range merge from -ac
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- Anton Altaparmakov: NTFS error checking
- Johannes Erdfelt: USB updates
- OGAWA Hirofumi: FAT update
- Alan Cox: driver + s390 update merge
- Richard Henderson: fix alpha sigsuspend error return value
- Marcelo Tosatti: per-zone VM shortage
- Daniel Phillips: generic use-once optimization instead of drop-behind
- Bjorn Wesen: Cris architecture update
- Anton Altaparmakov: support for Windows Dynamic Disks
- James Washer: LDT loading SMP bug fix
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- remember to increment the version number
- Chris Mason: reiserfs mark_journal_new and bh leak fix
- Richard Gooch: devfs update
- Alexander Viro: further FS cleanup (superblock list)
- David Woodhouse: MTD update
- Kai Germaschewski: ISDN update (stanford checker fixes etc)
- Rich Baum: gcc-3.0 warning fixes
- Jeff Garzik: network driver updates
- Geert Uytterhoeven: m68k fbdev logo merge glitch fix
- Andrea Arcangeli: fix signal return path
- David Miller: Sparc updates
- Johannes Erdfelt: USB update
- Carsten Otte, Andries Brouwer: don't clear blk_size unconditionally
on partition check
- Martin Frey: alpha Sable irq fix
- Paul Mackerras: PPC softirq update
- Patrick Mochel: PCI power management infrastructure
- Robert Siemer: miroSOUND driver update
- Neil Brown: knfsd updates, including ability to export ReiserFS filesystems
- Trond Myklebust: NFS readdir fixup, don't update atime on client
- Andrew Morton: truncate_inode_pages speedup
- Paul Menage: make inode quota count all inodes..
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- David Miller: network syncup (better TCP page fault handling by Andrea etc)
- Tim Hockin: moxa driver fixes
- Alexander Viro: clean up process reaping procedures, make /proc use
the proper fields to notice that the process is gone, gone, gone.
- Justin Gibbs: aic7xxx driver update to 6.1.13.
- me: fix PCI allocation so that it doesn't stomp on unknown memory
- Jeff Garzik: 8139too net drvr fix
- Nigel Gamble: merge page fault interrupt gate from preemtible kernel.
Fixes problem noticed by Brian Gerst.
- Jean Tourrilhes: Orinoco / Airport support diff. Mucho cleanups.
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- Bob Tracy: Cyrix MTRR setup fix (don't make it twice as big as asked
for)
- Trond Myklebust: rpciod needs to be PF_MEMALLOC to avoid deadlocks on
memory allocation when writing out NFS data under low memory conditions.
Fix up BKL and RPC interactions.
- Jeff Garzik: tulip network driver update
- fix truncate to call down to the filesystem with the kernel lock.
- David Mosberger: ia64 update
- David Mosberger: simplify ELF program header generation.
- Alan Cox: merge from -ac series
- Jeff Garzik: make serial.c recognize modem devices properly
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- Rik van Riel and others: mm rw-semaphore (ps/top ok when swapping)
- IDE: 256 sectors at a time is legal, but apparently confuses some
drives. Max out at 255 sectors instead.
- Petko Manolov: USB pegasus driver update
- make the boottime memory map printout at least almost readable.
- USB driver updates
- pte_alloc()/pmd_alloc() need page_table_lock.
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