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Jens Axboe 18dabf473e Change table chaining layout 
Change the page member of the scatterlist structure to be an unsigned
long, and encode more stuff in the lower bits:

- Bits 0 and 1 zero: this is a normal sg entry. Next sg entry is located
  at sg + 1.
- Bit 0 set: this is a chain entry, the next real entry is at ->page_link
  with the two low bits masked off.
- Bit 1 set: this is the final entry in the sg entry. sg_next() will return
  NULL when passed such an entry.

It's thus important that sg table users use the proper accessors to get
and set the page member.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 		2007-10-22 21:20:01 +02:00
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acpi
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asm-alpha Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-arm Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-arm26 softlockup: make asm/irq_regs.h available on every platform 2007-10-17 08:42:47 -07:00
asm-avr32 Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-blackfin Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-cris Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-frv Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-generic Linux Kernel Markers 2007-10-19 11:53:54 -07:00
asm-h8300 Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-ia64 Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-m32r Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-m68k Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-m68knommu Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-mips Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-parisc Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-powerpc Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-ppc remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
asm-s390 Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-sh Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-sh64 Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-sparc Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-sparc64 Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-um forbid asm/bitops.h direct inclusion 2007-10-19 11:53:41 -07:00
asm-v850 Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-x86 Change table chaining layout 2007-10-22 21:20:01 +02:00
asm-xtensa Change table chaining layout 2007-10-22 21:20:01 +02:00
crypto
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keys KEYS: Make request_key() and co fundamentally asynchronous 2007-10-17 08:42:57 -07:00
linux Change table chaining layout 2007-10-22 21:20:01 +02:00
math-emu
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media v4l: copy_to_user() is not a good method name 2007-10-13 09:58:59 -07:00
mtd
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net Spelling fix: explicitly 2007-10-19 23:22:55 +02:00
pcmcia pcmcia: use DMA_MASK_NONE for the default for all pcmcia devices 2007-10-16 09:42:50 -07:00
rdma
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rxrpc
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scsi do not export /usr/include/scsi in make headers_install 2007-10-17 08:42:52 -07:00
sound [ALSA] version 1.0.15 2007-10-16 16:57:46 +02:00
video define global BIT macro 2007-10-19 11:53:42 -07:00
xen xen: fix incorrect vcpu_register_vcpu_info hypercall argument 2007-10-16 11:51:31 -07:00
Kbuild do not export /usr/include/scsi in make headers_install 2007-10-17 08:42:52 -07:00