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remarkable-linux/include/asm-powerpc
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Dave Hansen 8245525741 maps4: rework TASK_SIZE macros 
The following replaces the earlier patches sent.  It should address
David Rientjes's comments, and has been compile tested on all the
architectures that it touches, save for parisc.

For the /proc/<pid>/pagemap code[1], we need to able to query how
much virtual address space a particular task has.  The trick is
that we do it through /proc and can't use TASK_SIZE since it
references "current" on some arches.  The process opening the
/proc file might be a 32-bit process opening a 64-bit process's
pagemap file.

x86_64 already has a TASK_SIZE_OF() macro:

#define TASK_SIZE_OF(child)     ((test_tsk_thread_flag(child, TIF_IA32)) ? IA32_PAGE_OFFSET : TASK_SIZE64)

I'd like to have that for other architectures.  So, add it
for all the architectures that actually use "current" in
their TASK_SIZE.  For the others, just add a quick #define
in sched.h to use plain old TASK_SIZE.

1. http://www.linuxworld.com/news/2007/042407-kernel.html

- MIPS portion from Ralf Baechle <ralf@linux-mips.org>

[akpm@linux-foundation.org: fix mips build]
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Matt Mackall <mpm@selenic.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-05 09:44:16 -08:00
..
iseries [POWERPC] include/asm-powerpc/: Spelling fixes 2007-12-20 16:17:44 +11:00
8xx_immap.h [POWERPC] include/asm-powerpc/: Spelling fixes 2007-12-20 16:17:44 +11:00
8253pit.h
a.out.h arch: personality independent stack top 2007-07-19 10:04:45 -07:00
abs_addr.h
agp.h x86: remove flush_agp_mappings() 2008-01-30 13:34:07 +01:00
asm-compat.h
atomic.h [POWERPC] Implement atomic{, 64}_{read, write}() without volatile 2007-08-17 11:01:58 +10:00
auxvec.h
backlight.h
bitops.h ext4: Add ext4_find_next_bit() 2008-01-28 23:58:27 -05:00
bootx.h
btext.h
bug.h Fix WARN_ON() on bitfield ops 2007-07-31 21:12:07 -07:00
bugs.h
byteorder.h
cache.h
cacheflush.h
cell-pmu.h
cell-regs.h [POWERPC] cell: Add Cell memory controller register defs and expose it 2007-10-09 21:01:56 +10:00
checksum.h
clk_interface.h [POWERPC] clk.h interface for platforms 2007-10-03 09:11:56 +10:00
compat.h asm-*/compat.h: fix typo in comment 2008-02-03 16:32:51 +02:00
cpm.h [POWERPC] CPM: Move definition of buffer descriptor to cpm.h 2008-01-28 08:31:06 -06:00
cpm1.h [POWERPC] CPM: Move definition of buffer descriptor to cpm.h 2008-01-28 08:31:06 -06:00
cpm2.h [POWERPC] CPM: Move definition of buffer descriptor to cpm.h 2008-01-28 08:31:06 -06:00
cputable.h [POWERPC] Reworking machine check handling and Fix 440/440A 2007-12-23 13:11:59 -06:00
cputhreads.h [POWERPC] Cleanup SMT thread handling 2007-12-03 13:56:25 +11:00
cputime.h
current.h
dbdma.h
dcr-mmio.h Use dcr_host_t.base in dcr_unmap() 2007-10-15 14:29:49 -04:00
dcr-native.h [POWERPC] 4xx: Improve support for 4xx indirect DCRs 2007-12-23 13:12:11 -06:00
dcr-regs.h [POWERPC] 4xx: Improve support for 4xx indirect DCRs 2007-12-23 13:12:11 -06:00
dcr.h
delay.h
device.h
div64.h
dma-mapping.h [POWERPC] Add set_dma_ops() to match get_dma_ops() 2008-01-31 12:11:09 +11:00
dma.h
edac.h
eeh.h
eeh_event.h
elf.h increase AT_VECTOR_SIZE to terminate saved_auxv properly 2007-10-17 08:43:00 -07:00
emergency-restart.h
errno.h
exception.h [POWERPC] Move lowlevel runlatch calls under cpu feature control 2007-09-14 01:33:22 +10:00
fb.h fbdev: detect primary display device 2007-07-17 10:23:11 -07:00
fcntl.h
firmware.h [POWERPC] celleb: Add support for native CBE 2007-12-11 13:34:40 +11:00
floppy.h cleanup floppy.h 2007-10-17 08:42:55 -07:00
fs_pd.h [POWERPC] 85xx: Killed <asm/mpc85xx.h> 2007-10-11 09:14:31 -05:00
futex.h
grackle.h
hardirq.h
heathrow.h
highmem.h [POWERPC] Copy over headers from arch/ppc to arch/powerpc that we need 2007-08-22 22:43:29 -05:00
hvcall.h
hvconsole.h
hvcserver.h
hw_irq.h
hydra.h [POWERPC] Copy over headers from arch/ppc to arch/powerpc that we need 2007-08-22 22:43:29 -05:00
i8259.h
ibmebus.h [POWERPC] ibmebus: Move to of_device and of_platform_driver, match eHCA and eHEA drivers 2007-10-17 22:30:08 +10:00
ide.h ide: remove stale ide.h "configuration options" 2008-01-25 22:17:08 +01:00
immap_86xx.h [POWERPC] 86xx: fix guts_set_dmacr() and add guts_set_pmuxcr_dma() to immap_86xx.h 2007-12-11 13:57:18 -06:00
immap_cpm2.h [POWERPC] cpm2: Infrastructure code cleanup. 2007-10-04 11:02:04 -05:00
immap_qe.h [POWERPC] QE: Add ability to upload QE firmware 2008-01-23 19:34:06 -06:00
io-defs.h
io.h [POWERPC] Make isa_mem_base common to 32 and 64 bits 2007-12-11 15:43:34 +11:00
ioctl.h
ioctls.h
iommu.h iommu sg: powerpc: convert iommu to use the IOMMU helper 2008-02-05 09:44:11 -08:00
ipcbuf.h
ipic.h [POWERPC] ipic: add new interrupts introduced by new chip 2007-12-11 13:57:18 -06:00
irq.h [POWERPC] 86xx: Remove unused IRQ defines 2008-01-28 09:19:16 -06:00
irq_regs.h
irqflags.h
Kbuild remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
kdebug.h x86: optimize page faults like all other achitectures and kill notifier cruft 2007-10-16 09:42:50 -07:00
kdump.h
kexec.h [POWERPC] kdump shutdown hook support 2008-01-25 22:52:50 +11:00
keylargo.h
kgdb.h [POWERPC] Copy over headers from arch/ppc to arch/powerpc that we need 2007-08-22 22:43:29 -05:00
kmap_types.h
kprobes.h kprobes: support kretprobe blacklist 2007-10-16 09:43:10 -07:00
libata-portmap.h
linkage.h
lmb.h [POWERPC] Fix handling of memreserve if the range lands in highmem 2008-01-23 19:29:08 -06:00
local.h
lppaca.h
lv1call.h
machdep.h [POWERPC] Implement arch disable/enable irq hooks. 2007-12-21 22:13:35 +11:00
macio.h
mc146818rtc.h
mediabay.h
mman.h
mmu-8xx.h
mmu-40x.h [POWERPC] 40x MMU 2007-08-20 07:28:48 -05:00
mmu-44x.h
mmu-fsl-booke.h
mmu-hash32.h
mmu-hash64.h [POWERPC] Provide a way to protect 4k subpages when using 64k pages 2008-01-24 10:06:01 +11:00
mmu.h [POWERPC] 40x MMU 2007-08-20 07:28:48 -05:00
mmu_context.h remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
mmzone.h
module.h
mpc8xx.h [POWERPC] 8xx: Get rid of conditional includes of board specific setup 2008-01-28 08:31:04 -06:00
mpc52xx.h [POWERPC] Add common clock setting routine mpc52xx_psc_set_clkdiv() 2008-01-26 15:32:18 -07:00
mpc52xx_psc.h [POWERPC] Separate MPC52xx PSC FIFO registers from rest of PSC 2008-01-21 11:01:32 -07:00
mpc86xx.h
mpc8260.h [POWERPC] 82xx: Embedded Planet EP8248E support 2008-01-23 19:34:43 -06:00
mpic.h [POWERPC] pasemi: Distribute interrupts evenly across cpus 2007-12-28 09:22:25 -06:00
msgbuf.h
mutex.h
namei.h
nvram.h include/asm-powerpc/nvram.h needs list.h 2008-02-05 09:44:08 -08:00
of_device.h [POWERPC] Move of_device allocation into of_device.[ch] 2007-10-17 22:30:07 +10:00
of_platform.h [POWERPC] Enable RTC for Ebony and Walnut (v2) 2008-01-25 07:07:26 -06:00
ohare.h
oprofile_impl.h [CELL] oprofile: add support to OProfile for profiling CELL BE SPUs 2007-07-20 21:42:24 +02:00
paca.h powerpc: Remove obsolete prototype 2007-10-20 00:36:33 +02:00
page.h fix 'dynreloc miscount' link error on Powerpc 2007-07-26 11:35:18 -07:00
page_32.h [POWERPC] Fix kmalloc alignment on non-coherent DMA platforms 2007-11-20 11:37:43 +11:00
page_64.h [POWERPC] Use 1TB segments 2007-10-12 14:05:17 +10:00
param.h
parport.h
pasemi_dma.h pasemi: DMA engine management library 2008-01-28 15:04:21 -08:00
pci-bridge.h [POWERPC] Remove update_bridge_resource 2008-01-23 19:32:30 -06:00
pci.h [POWERPC] Merge PCI resource allocation & assignment 2007-12-20 16:18:09 +11:00
percpu.h POWERPC: use generic per cpu 2008-01-30 23:27:58 +01:00
pgalloc-32.h
pgalloc-64.h [POWERPC] Provide a way to protect 4k subpages when using 64k pages 2008-01-24 10:06:01 +11:00
pgalloc.h
pgtable-4k.h [POWERPC] Size swapper_pg_dir correctly 2007-09-19 15:25:34 +10:00
pgtable-64k.h [POWERPC] Provide a way to protect 4k subpages when using 64k pages 2008-01-24 10:06:01 +11:00
pgtable-ppc32.h [POWERPC] Fix swapper_pg_dir size when CONFIG_PTE_64BIT=y on FSL_BOOKE 2007-12-06 13:11:04 -06:00
pgtable-ppc64.h ppc64: SPARSEMEM_VMEMMAP support 2007-10-16 09:42:51 -07:00
pgtable.h
pmac_feature.h
pmac_low_i2c.h
pmac_pfunc.h
pmc.h
pmi.h [CELL] pmi: remove support for mutiple devices. 2007-07-20 21:41:34 +02:00
poll.h
posix_types.h
ppc-pci.h [POWERPC] iSeries: Call iSeries_pcibios_init from setup_arch 2007-12-11 13:42:32 +11:00
ppc_asm.h [POWERPC] Fix modpost warnings from head*.S on ppc32 2007-09-14 08:53:36 -05:00
processor.h maps4: rework TASK_SIZE macros 2008-02-05 09:44:16 -08:00
prom.h [POWERPC] Add of_translate_dma_address 2007-12-11 15:43:35 +11:00
ps3.h [POWERPC] PS3: Add logical performance monitor driver support 2008-01-25 22:52:53 +11:00
ps3av.h ps3av: dont distinguish between boot' and non-boot' autodetection 2007-10-16 09:43:21 -07:00
ps3fb.h
ps3stor.h
pSeries_reconfig.h
ptrace.h Merge branch 'linux-2.6' 2008-01-31 11:25:51 +11:00
qe.h [POWERPC] QE: Add ability to upload QE firmware 2008-01-23 19:34:06 -06:00
qe_ic.h [POWERPC] QEIC: Implement pluggable handlers, fix MPIC cascading 2007-10-08 08:38:57 -05:00
reg.h [POWERPC] Add definition of Cell bookmark SPR 2008-01-25 22:52:51 +11:00
reg_8xx.h
reg_booke.h [POWERPC] Reworking machine check handling and Fix 440/440A 2007-12-23 13:11:59 -06:00
resource.h
rheap.h
rtas.h Revert "[POWERPC] Fix RTAS os-term usage on kernel panic" 2007-12-03 09:39:45 +11:00
rtc.h
rwsem.h [POWERPC] Prevent direct inclusion of <asm/rwsem.h>. 2007-09-22 14:49:21 +10:00
scatterlist.h Add CONFIG_DEBUG_SG sg validation 2007-10-22 21:20:03 +02:00
seccomp.h
sections.h
semaphore.h kill DECLARE_MUTEX_LOCKED 2007-10-17 08:42:47 -07:00
sembuf.h
serial.h
setjmp.h [POWERPC] Make setjmp/longjmp code usable outside of xmon 2008-01-25 22:52:50 +11:00
setup.h
shmbuf.h
shmparam.h
sigcontext.h
siginfo.h
signal.h
smp.h Convert cpu_sibling_map to be a per cpu variable 2007-10-16 09:42:50 -07:00
smu.h [POWERPC] include/asm-powerpc/: Spelling fixes 2007-12-20 16:17:44 +11:00
socket.h [NET]: Introducing socket mark socket option. 2008-01-31 19:27:19 -08:00
sockios.h
sparsemem.h [POWERPC] PS3: Remove lpar address workaround 2008-01-25 22:52:53 +11:00
spinlock.h
spinlock_types.h
spu.h Merge branch 'linux-2.6' 2008-01-24 10:07:21 +11:00
spu_csa.h [POWERPC] spufs: rework class 0 and 1 interrupt handling 2007-12-21 19:46:20 +11:00
spu_info.h
spu_priv1.h [POWERPC] cell: wrap master run control bit 2007-12-21 19:45:05 +11:00
sstep.h
stat.h
statfs.h
string.h
suspend.h
synch.h
syscalls.h
systbl.h timerfd: new timerfd API 2008-02-05 09:44:07 -08:00
system.h [POWERPC] Add _nmask_and_or_msr() declartion to asm-powerpc/system.h 2008-01-23 19:54:30 -06:00
tce.h
termbits.h
termios.h
thread_info.h remove unused TIF_NOTIFY_RESUME flag 2007-07-31 15:39:38 -07:00
time.h [POWERPC] Fix hardware IRQ time accounting problem. 2007-12-06 16:08:59 +11:00
timex.h
tlb.h [POWERPC] Include pagemap.h in asm/powerpc/tlb.h 2007-10-03 12:02:43 +10:00
tlbflush.h [POWERPC] Fix oops related to 4xx flush_tlb_page modification 2007-11-09 03:51:14 -06:00
topology.h Convert cpu_sibling_map to be a per cpu variable 2007-10-16 09:42:50 -07:00
tsi108.h
tsi108_irq.h
tsi108_pci.h
types.h remove strict ansi check from __u64 in asm/types.h 2007-10-17 08:42:53 -07:00
uaccess.h
ucc.h [POWERPC] qe: miscellaneous code improvements and fixes to the QE library 2007-10-08 08:38:15 -05:00
ucc_fast.h
ucc_slow.h [POWERPC] qe: miscellaneous code improvements and fixes to the QE library 2007-10-08 08:38:15 -05:00
ucontext.h
udbg.h [POWERPC] 4xx: Add early udbg support for 40x processors 2007-12-23 13:13:03 -06:00
uic.h
unaligned.h
uninorth.h
unistd.h [POWERPC] Provide a way to protect 4k subpages when using 64k pages 2008-01-24 10:06:01 +11:00
user.h
vdso.h
vdso_datapage.h [POWERPC] vdso: Fixes for cache block sizes 2007-11-20 13:56:31 +11:00
vga.h
vio.h [POWERPC] Clean up vio.h 2007-10-11 20:40:44 +10:00
xilinx_intc.h [POWERPC] Virtex: add xilinx interrupt controller driver 2007-10-03 07:23:14 -05:00
xmon.h
xor.h