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Description:
  everywhere the NFS client uses the req_offset() function today, it adds
  req->wb_offset to the result.  this patch simply makes "+req->wb_offset"
  a part of the req_offset() function.

Test status:
  Passes all Connectathon '02 tests with v2, v3, UDP and TCP.  Passes
  NFS torture tests on an x86 UP highmem system.

Description:
  The default set_page_dirty address space op is too heavyweight for NFS,
  which doesn't use buffers.

Description:
  andrew morton suggested there are places in the NFS client that could
  make use of kmap_atomic instead of vanilla kmap in order to improve
  scalability on 8-way and higher SMP systems.

Test status:
  Passes all Connectathon '02 tests with v2 and v3, UDP and TCP; passes
  NFS torture tests on a UP HIGHMEM x86 system.

This moves most of the duplicated text in the various v850 platform-
specific linker scripts (each of which was previously completely
standalone) into cpp macros in vmlinux.lds.S, which are then used by the
platform linker scripts as appropriate.  This should make the scripts a
lot easier to maintain.

Also, a number of linker-script bugs are fixed.

The old code seems completely wrong; I guess it was just left over from
whichever architecture this code was copied from.

These are used for the new in-kernel module loader (actually not all the
relocation types are used right now, but are included for completeness).

Only the EM_CYGNUS_V850 macro, which is in a global namespace, is added
to <linux/elf.h>; the relocation types, which are private to the v850,
are added to <asm-v850/elf.h>.  [Perhaps some other archs can do a
similar split, to reduce the bloat in <linux/elf.h>]

A few symbols are only defined when CONFIG_MMU=y, but are exported
(by kernel/ksyms.c) unconditionally.  This patch makes them conditional.

Adds extra includes needed because sched.h doesn't include them anymore,
and removes includes of sched.h where they're not really necessary.

Fix task->cpus_allowed bitmask truncations on 64.bit architectures.

Originally by Bjorn Helgaas for 2.4.x.

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major changes to actually fit.

SGI Modid: 2.5.x-xfs:slinx:132210a

SGI Modid: 2.5.x-xfs:slinx:135454a

SGI Modid: 2.5.x-xfs:slinx:135453a

very first read on mount.  Make some of the surrounding code dealing
with buffers consistent.

SGI Modid: 2.5.x-xfs:slinx:135452a

SGI Modid: 2.5.x-xfs:slinx:135307a

SGI Modid: 2.5.x-xfs:slinx:135308a

SGI Modid: 2.5.x-xfs:slinx:135207a

SGI Modid: 2.5.x-xfs:slinx:135199a

SGI Modid: 2.5.x-xfs:slinx:135153a

SGI Modid: 2.5.x-xfs:slinx:135137a

orthogonal. In addition, add some of the hooks for unwritten extents.

SGI Modid: 2.5.x-xfs:slinx:134603a

SGI Modid: 2.5.x-xfs:slinx:135038a

pr_debug() is defined to print using KERN_DEBUG already,
so uses of it don't need to repeat KERN_DEBUG.

Retrieve the post-operation attribute changes for NFSv4 READ and
WRITE operations. Unlike for NFSv2 and NFSv3, we do not retrieve the
full set of file attributes. The main reason for this is that
interpreting attributes is a much heavier task on NFSv4 (requiring, for
instance, translation of file owner names into uids ...). Hence

  For a READ request, we retrieve only the 'change attribute' (for cache
  consistency checking) and the atime.

  For a WRITE request, we retrieve the 'change attribute' and the file size.
  In addition, we retrieve the value of the change attribute prior to the
  write operation, in order to be able to do weak cache consistency checking.

The following patch creates a clean XDR path for the NFSv4 write requests
instead of routing through encode_compound()/decode_compound().

This creates a clean XDR path for the NFSv4 read requests instead of
routing through encode_compound()/decode_compound().  This eliminates
the intermediate step of setting up a struct nfs4_compound before
proceeding to XDR encoding, and removes the large 'switch()' statements
from the codepath altogether.

This check needs to happen for all CPUs that support PN,
not just Intel.

From hpa and Pat Mochel.

Newer gcc changes alignment flags from a -m to -f

Some revisions of the AMD8131 PCI-X bridge have a irq routing bug that appears
in IO-APIC mode. To work around it a bit needs to be set in this case.

This adds the x86-64 ELF relocations to include/linux/elf.h

This is needed for the new module loader.

This patch depends on the i386 MTRR driver cleanup I sent earlier.

 - Support non executable mappings for x86-64. data/heap are non executable
   by default now.
 - Beginnings of software suspend from Pavel (not working yet)
 - Support generic compat functions and remove some shared code
   in the 32bit emulation (Stephen Rothwell)
 - Support hugetlbfs
 - Some makefile updates
 - Make sure all 32bit emulation functions return long, not int.
   This fixes some problems with ERESTARTNOSYS.et.al. leaking to userspace.
 - Add new system calls.
 - Fix long standing fs/gs context switch bugs (thanks to Karsten Keil
   for helping to fix that mess). Also make sure the gs selector is
   set to 0 after an exec.
 - Simplify TLS switching
 - Paranoid CPUID check at bootup
 - Reorder scatterlist to be more space efficient (Jes Soerensen)
 - Enlarge 32bit address space to full 4GB.
 - Beginnings of 32bit SYSCALL support (not completely working yet
   and vsyscall page miss yet)
 - Various merges from i386
 - New module loader
 - Support threaded core dump (XMM saving for 32bit programs doesn't
   work, but it appears to be broken on i386 too)
 - Fix bug in signal stack rounding
 - Remove DRM 32bit emulation.
 - Use MTRR driver from i386
 - Use bootflag.c from i386
 - Various other fixes and cleanups.

This does:
 - fix one warning in bootflag.c
 - change a few longs to int and int to long in the MTRR driver
   to make it 64bit clean (should be a NOP for 32bit i386, but is needed
   for x86-64)
 - Convert the MTRR /proc interface to seq_file and remove the broken
   compute_ascii() hack.  This fixes some broken code e.g.  the old
   mtrr_write was completely broken because the loop checking for
   commands started with a "continue" - remove duplicated mtrr type
   strings.

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