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Hugh Dickins 701dfbc1cb [PATCH] mm: mremap correct rmap accounting 
Nick Piggin points out that page accounting on MIPS multiple ZERO_PAGEs
is not maintained by its move_pte, and could lead to freeing a ZERO_PAGE.

Instead of complicating that move_pte, just forget the minor optimization
when mremapping, and change the one thing which needed it for correctness
- filemap_xip use ZERO_PAGE(0) throughout instead of according to address.

[ "There is no block device driver one could use for XIP on mips
   platforms" - Carsten Otte ]

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andrew Morton <akpm@osdl.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-01-30 08:33:32 -08:00
..
arc
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ddb5xxx
Merge git://git.infradead.org/hdrcleanup-2.6
2006-06-20 15:10:08 -07:00
dec
[MIPS] IRQ cleanups
2006-11-30 01:14:46 +00:00
emma2rh
[MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board
2006-06-19 17:39:26 +01:00
ip32
…
jmr3927
[MIPS] Complete fixes after removal of pt_regs argument to int handlers.
2006-10-08 02:38:28 +01:00
lasat
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mach-atlas
[MIPS] Atlas: update interrupt handling
2006-09-27 13:37:42 +01:00
mach-au1x00
[PATCH] make au1xxx-ide compile again
2006-11-22 23:34:02 +00:00
mach-cobalt
[MIPS] Rewrite GALILEO_INL/GALILEO_OUTL to GT_READ/GT_WRITE
2006-11-30 01:14:43 +00:00
mach-db1x00
[PATCH] Au1550/1200: add missing PSC #define's, make OSS driver use the proper ones
2006-06-23 07:42:56 -07:00
mach-dec
[PATCH] char/rtc: Handle memory-mapped chips properly
2006-07-10 13:24:25 -07:00
mach-emma2rh
[MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board
2006-06-19 17:39:26 +01:00
mach-ev64120
[MIPS] Add UART IRQ number for EV64120
2006-10-01 23:16:59 +01:00
mach-excite
[MIPS] s/__ASSEMBLER__/__ASSEMBLY__/ for clarity sake.
2006-09-27 13:37:57 +01:00
mach-generic
[PATCH] irq-flags: MIPS: Use the new IRQF_ constants
2006-07-02 13:58:47 -07:00
mach-ip22
Merge git://git.infradead.org/hdrcleanup-2.6
2006-06-20 15:10:08 -07:00
mach-ip27
[MIPS] IP27: Don't drag <asm/sn/arch.h> into topology.h.
2006-12-12 01:46:24 +00:00
mach-ip32
Merge git://git.infradead.org/hdrcleanup-2.6
2006-06-20 15:10:08 -07:00
mach-ja
[MIPS] Use the proper technical term for naming some of the cache macros.
2006-07-13 21:26:04 +01:00
mach-jazz
[PATCH] irq-flags: MIPS: Use the new IRQF_ constants
2006-07-02 13:58:47 -07:00
mach-jmr3927
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mach-lasat
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mach-mips
[MIPS] Use the proper technical term for naming some of the cache macros.
2006-07-13 21:26:04 +01:00
mach-ocelot
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mach-ocelot3
[MIPS] Use the proper technical term for naming some of the cache macros.
2006-07-13 21:26:04 +01:00
mach-pb1x00
…
mach-pnx8550
[MIPS] PNX8550 fixups
2006-10-04 18:06:15 +01:00
mach-qemu
[MIPS] Qemu does not have D-cache aliases
2006-09-27 13:37:49 +01:00
mach-rm
[MIPS] Rename SNI_RM200_PCI to just SNI_RM preparing for more RM machines
2006-12-09 01:03:58 +00:00
mach-sibyte
[MIPS] Use the proper technical term for naming some of the cache macros.
2006-07-13 21:26:04 +01:00
mach-sim
[MIPS] Use the proper technical term for naming some of the cache macros.
2006-07-13 21:26:04 +01:00
mach-wrppmc
[MIPS] Wind River 4KC PPMC Eval Board Support
2006-06-19 17:39:18 +01:00
mach-yosemite
[MIPS] Use the proper technical term for naming some of the cache macros.
2006-07-13 21:26:04 +01:00
mips-boards
[MIPS] Atlas: update interrupt handling
2006-09-27 13:37:42 +01:00
pci
[MIPS] SN: include asm/sn/types.h for nasid_t.
2006-06-19 17:39:24 +01:00
sgi
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sibyte
[MIPS] Fixup migration to GENERIC_TIME
2006-10-31 20:13:23 +00:00
sn
[MIPS] IP27: Move definition of nic_t to its sole user.
2006-12-12 01:46:24 +00:00
tx4927
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tx4938
fix file specification in comments
2006-10-03 23:01:26 +02:00
vr41xx
[MIPS] More vr41xx pt_regs fixups
2006-10-19 17:55:14 +01:00
xtalk
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8253pit.h
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a.out.h
…
abi.h
…
addrspace.h
[MIPS] Use "long" for 64-bit values on 64-bit kernel.
2006-11-30 01:14:43 +00:00
apm.h
[MIPS] Don't include obsolete <linux/config.h>.
2006-07-13 21:25:58 +01:00
asm.h
[MIPS] 16K & 64K page size fixes
2006-11-01 17:46:09 +00:00
asmmacro-32.h
[MIPS] Fix fpu_save_double on 64-bit.
2006-06-19 17:39:13 +01:00
asmmacro-64.h
[MIPS] Fix fpu_save_double on 64-bit.
2006-06-19 17:39:13 +01:00
asmmacro.h
[MIPS] Fix use of ehb instruction for non-R2 configurations.
2006-06-29 21:10:49 +01:00
atomic.h
[MIPS] Cleanup memory barriers for weakly ordered systems.
2006-12-04 22:43:14 +00:00
auxvec.h
…
barrier.h
[MIPS] Cleanup memory barriers for weakly ordered systems.
2006-12-04 22:43:14 +00:00
bcache.h
…
bitops.h
[MIPS] Cleanup memory barriers for weakly ordered systems.
2006-12-04 22:43:14 +00:00
bootinfo.h
[PATCH] add STB810 support (Philips PNX8550-based)
2006-12-09 01:04:00 +00:00
branch.h
…
break.h
…
bug.h
[MIPS] Use conditional traps for BUG_ON on MIPS II and better.
2006-11-30 01:14:50 +00:00
bugs.h
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byteorder.h
…
cache.h
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cachectl.h
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cacheflush.h
[PATCH] Optimize D-cache alias handling on fork
2006-12-13 09:27:08 -08:00
cacheops.h
…
checksum.h
[MIPS] Fix wrong checksum calculation on 64-bit MIPS
2007-01-24 19:23:22 +00:00
compat.h
[MIPS] compat.h uses struct pt_regs so needs to include ptrace.h.
2006-12-12 01:46:24 +00:00
compiler.h
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cpu-features.h
[MIPS] Use the proper technical term for naming some of the cache macros.
2006-07-13 21:26:04 +01:00
cpu-info.h
[MIPS] Fix alignment hole in struct cache_desc; shrink struct.
2006-11-30 01:14:45 +00:00
cpu.h
[MIPS] Use the proper technical term for naming some of the cache macros.
2006-07-13 21:26:04 +01:00
cputime.h
…
current.h
…
debug.h
…
delay.h
Merge git://git.infradead.org/hdrcleanup-2.6
2006-06-20 15:10:08 -07:00
device.h
Driver core: add dev_archdata to struct device
2006-12-01 14:52:01 -08:00
div64.h
[MIPS] Fixup migration to GENERIC_TIME
2006-10-31 20:13:23 +00:00
dma-mapping.h
[PATCH] Pass struct dev pointer to dma_cache_sync()
2006-12-07 08:39:41 -08:00
dma.h
[MIPS] Remove duplicate ISA DMA code for 0 DMA channel case.
2006-11-30 01:14:51 +00:00
ds1286.h
…
ds1742.h
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dsp.h
…
elf.h
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emergency-restart.h
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errno.h
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fcntl.h
[MIPS] Remove F_SETSIG and F_GETSIG in favor of the asm-generic definitions.
2006-09-27 13:37:48 +01:00
fixmap.h
[MIPS] Fix aliasing bug in copy_to_user_page / copy_from_user_page
2006-10-21 23:17:35 +01:00
floppy.h
…
fpregdef.h
…
fpu_emulator.h
[MIPS] Unify mips_fpu_soft_struct and mips_fpu_hard_structs.
2006-06-19 17:39:18 +01:00
fpu.h
[MIPS] Make sure cpu_has_fpu is used only in atomic context
2006-10-09 23:20:48 +01:00
futex.h
[PATCH] mm: pagefault_{disable,enable}()
2006-12-07 08:39:21 -08:00
gdb-stub.h
…
gfx.h
…
gt64120.h
[MIPS] Rewrite GALILEO_INL/GALILEO_OUTL to GT_READ/GT_WRITE
2006-11-30 01:14:43 +00:00
gt64240.h
…
hardirq.h
…
hazards.h
[MIPS] vr41xx: need one more nop with mtc0_tlbw_hazard()
2007-01-24 19:23:21 +00:00
highmem.h
[PATCH] mm: k{,um}map_atomic() vs in_atomic()
2006-12-07 08:39:21 -08:00
hw_irq.h
[PATCH] genirq: add ->retrigger() irq op to consolidate hw_irq_resend()
2006-06-29 10:26:23 -07:00
i8259.h
[MIPS] Import updates from i386's i8259.c
2006-12-06 20:16:09 +00:00
ide.h
…
inst.h
[MIPS] Fix rdhwr_op definition.
2006-07-13 21:26:08 +01:00
inventory.h
…
io.h
[MIPS] page.h: remove __pa() usages.
2006-11-30 01:14:40 +00:00
ioctl.h
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ioctls.h
…
ipc.h
…
ipcbuf.h
…
irq_cpu.h
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irq_regs.h
[MIPS] Complete fixes after removal of pt_regs argument to int handlers.
2006-10-08 02:38:28 +01:00
irq.h
[MIPS] SMTC build fix
2007-01-08 21:41:04 +00:00
irqflags.h
[MIPS] SMTC: Instant IPI replay.
2007-01-23 18:26:47 +00:00
isadep.h
…
jazz.h
…
jazzdma.h
…
Kbuild
[MIPS] Have headers_install install <asm/cachectl.h> and <asm/sysmips.h>.
2006-09-27 13:37:56 +01:00
kexec.h
[MIPS] Add support for kexec
2006-11-30 01:14:44 +00:00
kmap_types.h
…
kspd.h
…
linkage.h
…
local.h
…
m48t35.h
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m48t37.h
…
marvell.h
[MIPS] Complete fixes after removal of pt_regs argument to int handlers.
2006-10-08 02:38:28 +01:00
mc146818-time.h
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mc146818rtc.h
…
mips_mt.h
…
mipsmtregs.h
[MIPS] VSMP: Synchronize cp0 counters on bootup.
2006-10-31 20:13:22 +00:00
mipsprom.h
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mipsregs.h
[MIPS] Remove unused R10000 performance counter definitions.
2006-11-30 01:14:45 +00:00
mman.h
…
mmu_context.h
[MIPS] Reformat missformated SMTC bits.
2006-09-27 13:37:49 +01:00
mmu.h
…
mmzone.h
[PATCH] Delete unused definitions of kvaddr_to_nid
2006-06-23 07:42:52 -07:00
module.h
…
msc01_ic.h
[MIPS] Complete fixes after removal of pt_regs argument to int handlers.
2006-10-08 02:38:28 +01:00
msgbuf.h
…
mutex.h
…
namei.h
…
nile4.h
…
paccess.h
…
page.h
[PATCH] MIPS: Fix COW D-cache aliasing on fork
2006-12-13 09:27:08 -08:00
param.h
[MIPS] Make timer interrupt frequency configurable from kconfig.
2006-06-19 17:39:27 +01:00
parport.h
…
pci.h
[MIPS] Fix build of several IDE drivers by providing pci_get_legacy_ide_irq
2006-12-10 21:52:11 +00:00
percpu.h
…
pgalloc.h
[MIPS] 16K & 64K page size fixes
2006-11-01 17:46:09 +00:00
pgtable-32.h
[MIPS] pte_offset(dir,addr): parenthesis fix
2006-12-06 20:16:08 +00:00
pgtable-64.h
[MIPS] pte_offset(dir,addr): parenthesis fix
2006-12-06 20:16:08 +00:00
pgtable-bits.h
…
pgtable.h
[PATCH] mm: mremap correct rmap accounting
2007-01-30 08:33:32 -08:00
pmon.h
…
poll.h
…
posix_types.h
…
prctl.h
…
prefetch.h
…
processor.h
Merge git://git.infradead.org/hdrcleanup-2.6
2006-06-20 15:10:08 -07:00
ptrace.h
[MIPS] Move die and die_if_kernel() from system.h to ptrace.h
2006-12-10 21:52:11 +00:00
qemu.h
[MIPS] Qemu system shutdown support
2006-06-19 17:39:19 +01:00
r4kcache.h
…
reboot.h
…
reg.h
…
regdef.h
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resource.h
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rm9k-ocd.h
[MIPS] Support for the RM9000-based Basler eXcite smart camera platform.
2006-06-19 17:39:26 +01:00
rtc.h
…
rtlx.h
…
scatterlist.h
…
sections.h
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segment.h
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semaphore.h
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sembuf.h
…
serial.h
[MIPS] Remove IT8172-based platforms, ITE 8172G and Globespan IVR support.
2006-10-03 17:59:17 +01:00
setup.h
[PATCH] cleanup asm/setup.h userspace visibility
2006-12-07 08:39:46 -08:00
sgialib.h
…
sgiarcs.h
…
sgidefs.h
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shmbuf.h
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shmparam.h
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sigcontext.h
[MIPS] Update struct sigcontext member names
2006-06-01 00:28:31 +01:00
siginfo.h
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signal.h
[MIPS] Move definition of IRIX compat constant into IRIX compat code.
2006-09-27 13:37:45 +01:00
sim.h
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smp.h
Merge git://git.infradead.org/hdrcleanup-2.6
2006-06-20 15:10:08 -07:00
smtc_ipi.h
…
smtc_proc.h
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smtc.h
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sni.h
[MIPS] Support SNI RM200C SNI in big endian mode and R5000 processors.
2006-06-19 17:39:24 +01:00
socket.h
[AF_UNIX]: Datagram getpeersec
2006-06-29 16:58:06 -07:00
sockios.h
…
sparsemem.h
[MIPS] Fix sparsemem support.
2006-06-06 00:15:20 +01:00
spinlock_types.h
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spinlock.h
[MIPS] Cleanup memory barriers for weakly ordered systems.
2006-12-04 22:43:14 +00:00
stackframe.h
[MIPS] Optimize and cleanup get_saved_sp, set_saved_sp
2006-10-11 19:30:59 +01:00
stacktrace.h
[MIPS] Make unwind_stack() can dig into interrupted context
2006-10-01 23:16:59 +01:00
stat.h
…
statfs.h
…
string.h
…
suspend.h
…
sysmips.h
…
system.h
[MIPS] Move die and die_if_kernel() from system.h to ptrace.h
2006-12-10 21:52:11 +00:00
termbits.h
[PATCH] tty: preparatory structures for termios revamp
2006-12-08 08:28:56 -08:00
termios.h
…
thread_info.h
[MIPS] Fix APM build
2007-01-24 19:23:21 +00:00
time.h
[MIPS] mips HPT cleanup: make clocksource_mips public
2006-11-30 01:14:49 +00:00
timex.h
[MIPS] Fix errors detected by "make headers_check"
2006-09-27 13:37:40 +01:00
titan_dep.h
…
tlb.h
…
tlbdebug.h
…
tlbflush.h
…
topology.h
…
traps.h
…
tx3912.h
…
types.h
[PATCH] Centralise definitions of sector_t and blkcnt_t
2006-12-04 19:41:15 -08:00
uaccess.h
…
ucontext.h
…
unaligned.h
…
unistd.h
[PATCH] remove kernel syscalls
2006-12-07 08:39:37 -08:00
user.h
[MIPS] Fix errors detected by "make headers_check"
2006-09-27 13:37:40 +01:00
vga.h
[PATCH] vgacon: make VGA_MAP_MEM take size, remove extra use
2006-06-22 15:05:58 -07:00
vpe.h
…
war.h
[MIPS] Rename SNI_RM200_PCI to just SNI_RM preparing for more RM machines
2006-12-09 01:03:58 +00:00
watch.h
…
wbflush.h
…
xor.h
…
xxs1500.h
…