Commit Graph

65045 Commits

Author SHA1 Message Date
Kumar Gala
16d24060d1 [POWERPC] 85xx: Renamed mpc8544_ds.c to mpc85xx_ds.c
Renamed the mpc8544_ds.c board code to mpc85xx_ds.c to make it more
generic in prep for other boards based on the same platform.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-09-13 15:43:48 -05:00
Kumar Gala
89a300e85b ucc_geth: kill unused include
The ucc_geth_mii code is based on the gianfar_mii code that use to include
ocp.h.  ucc never need this and it causes issues when we want to kill
arch/ppc includes from arch/powerpc.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-09-13 15:43:46 -05:00
Geoff Levand
75cdff9242 [POWERPC] PS3: Enhance storage probe debug output
Add some more info to the PS3 storage probe debug output.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:26 +10:00
Geert Uytterhoeven
06462d9263 [POWERPC] PS3: Add new LV1 error codes
Add new error codes that may be returned by the LV1 hypervisor

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:25 +10:00
Jeremy Kerr
85d02924a3 [POWERPC] PS3: Fix CONFIG_SMP=n, CONFIG_KEXEC=y build
Currently, the ps3 kernel fails to build without smp but with kexec, as
ps3_kexec_cpu_down needs ps3_smp_cleanup_cpu, which isn't defined on UP
kernels. This change adds an empty ps3_smp_cleanup_cpu for UP kernels.

Booted on ps3.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:25 +10:00
Olof Johansson
0d72ba930c [POWERPC] Add workaround for MPICs with broken register reads
Some versions of PWRficient 1682M have an interrupt controller in which
the first register in each pair for interrupt sources doesn't always
read with the right polarity/sense values.

To work around this, keep a software copy of the register instead.  Since
it's not modified from the mpic itself, it's a feasible solution.  Still,
keep it under a config option to avoid wasting memory on other platforms.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:25 +10:00
David Gibson
2099172d61 [POWERPC] Document and implement an improved flash device binding for powerpc
This replaces the binding for flash chips in booting-without-of.txt
with an clarified and improved version.  It also makes
drivers/mtd/maps/physmap_of.c recognize this new binding.  Finally it
revises the Ebony device tree source to use the new binding as an
example.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:25 +10:00
Linas Vepstas
3c607ce2a3 [POWERPC] setup_64.c and prom.c comment cleanup
Grammatical corrections to comments.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:24 +10:00
Linas Vepstas
70c6cc37db [POWERPC] prom.c whitespace cleanup
Whitespace cleanup: badly indented lines.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:24 +10:00
Linas Vepstas
e788ff13be [POWERPC] prom_init whitespace cleanup, typo fix
Whitespace cleanup: badly indented lines.
Typo in comment.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:24 +10:00
Scott Wood
bde6c6e16a [POWERPC] Check _PAGE_RW and _PAGE_PRESENT on kernel addresses
Previously, the TLB miss handlers assumed that pages above KERNELBASE are
always present and read/write.  This assumption is false in the case of
CONFIG_DEBUG_PAGEALLOC.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:23 +10:00
Scott Wood
96ebc3bfb6 [POWERPC] bootwrapper: Only print MAC addresses when the node is actually present
Some firmwares (such as PlanetCore) only provide a base MAC address, and
expect the kernel to set certain bits to generate the addresses for the
other ports.  As such, MAC addresses are generated that may not correspond
to actual hardware.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:23 +10:00
Scott Wood
21f3fe2f7a [POWERPC] bootwrapper: Add get_path()
This will be used by the PlanetCore firmware support to construct
a linux,stdout-path from the serial node that it finds.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:23 +10:00
Scott Wood
9de782770b [POWERPC] bootwrapper: Add strtoull()
This will be needed by PlanetCore firmware support.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:23 +10:00
Scott Wood
4674f2f339 [POWERPC] bootwrapper: flatdevtree fixes
1. ft_create_node was returning the internal pointer rather than a phandle.
2. ft_find_device_rel was treating a "top" phandle of NULL as an error,
rather than as the root of the tree.  The old, absolute ft_find_device
is removed, and the relative version is renamed to ft_find_device().

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:23 +10:00
Olof Johansson
6bcc4c0175 [POWERPC] Remove warning in arch/powerpc/kernel/sysfs.c
Fixes:

arch/powerpc/kernel/sysfs.c: In function 'cpu_add_sysdev_attr_group':
arch/powerpc/kernel/sysfs.c:388: warning: ignoring return value of
	'sysfs_create_group', declared with attribute warn_unused_result

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:22 +10:00
Olof Johansson
a416561bf7 [POWERPC] Move lowlevel runlatch calls under cpu feature control
There's no need to call the runlatch on functions on processors that
don't implement them (CPU_FTR_CTRL).

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:22 +10:00
Olof Johansson
01f1c735f5 [POWERPC] Remove unused platform_machine_check()
Remove leftover cruft from ARCH=ppc.

There are no users of platform_machine_check() in ARCH=powerpc, and none
should be added (they should use ppc_md.machine_check_handler instead).

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:22 +10:00
Olof Johansson
3850169dbd [POWERPC] pasemi: Move pasemi_idle_init() to late_initcall()
Move pasemi_idle_init() to be a late_initcall instead of being called from
setup_arch().  This way the cpufreq driver has a chance to initialize and
save away the boot time astate before we go to idle for the first time.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:22 +10:00
Olof Johansson
cd7834167f [POWERPC] pasemi: Print more information at machine check
Add printout of some SoC error status registers, and dump the SLB contents
for those machine check events where it makes sense.

Since we can't go about and ioremap registers at machine check time,
and we generally want to do as little as possible to print out the
information, pre-build a table of the registers to dump and their address
in the common PCI config space range.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:21 +10:00
Olof Johansson
2e1957fd47 [POWERPC] pasemi: Export more SPRs to sysfs when CONFIG_DEBUG_KERNEL=y
Export some of the implementation-specific registers via sysfs.
Useful when debugging, etc.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:21 +10:00
Olof Johansson
4d442331e5 [POWERPC] pasemi: Add workaround for erratum 5945
Erratum 5945 causes some of the registers on the PCIe root ports to
not read correctly.  Do a small dance to avoid this: Write an unused
register, read the value and write it back.  Thankfully this is not in
a hot code path.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:21 +10:00
Olof Johansson
68c8404c74 [POWERPC] pasemi: Add pasemi_pci_getcfgaddr()
Add pasemi_pci_getcfgaddr(), to get the remapped address of a specific
config register for a PCI device.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:21 +10:00
Olof Johansson
a302cb9d95 [POWERPC] Export new __io{re,un}map_at() symbols
Export new __io{re,un}map_at() symbols so modules can use them.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:21 +10:00
Michael Ellerman
60b332e755 [POWERPC] Export virq mapping via debugfs
This adds a debugfs file "powerpc/virq_mapping", which shows the virtual
to real mapping of irq numbers.  Enable it with CONFIG_VIRQ_DEBUG.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Signed-off-by: Chen Gong <G.Chen@freescale.com>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:20 +10:00
Michael Ellerman
7866291d4c [POWERPC] Initialise hwirq for legacy irqs
Although no one uses the hwirq value for legacy irqs at the moment, we
should really setup the correct value in the irq_map.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:20 +10:00
Michael Ellerman
6815800601 [POWERPC] Provide a default irq_host match, which matches on an exact of_node
The most common match semantic is an exact match based on the device node.
So provide a default implementation that does this, and hook it up if no
match routine is specified.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:20 +10:00
Michael Ellerman
8528ab84eb [POWERPC] Invert null match behaviour for irq_hosts
Currently if you don't specify a match callback for your irq_host it's
assumed you match everything. This is a kind of opt-out approach, and
turns out to be the exception rather than the rule.

So change the semantics to be opt-in, ie. you don't match anything unless
you provide a match callback.  This in itself isn't very useful, but will
allow us to provide a default match implementation in a subsequent patch.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:20 +10:00
Michael Ellerman
52964f87c6 [POWERPC] Add an optional device_node pointer to the irq_host
The majority of irq_host implementations (3 out of 4) are associated
with a device_node, and need to stash it somewhere. Rather than having
it somewhere different for each host, add an optional device_node pointer
to the irq_host structure.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:20 +10:00
David Gibson
0ae0b54565 [POWERPC] Move bootwrapper's strchr() and strncmp() from .h to string.S
Currently the bootwrapper has implementations of strchr() and
strncmp(), but they're inlines in flatdevtree_env.h, rather than in
string.S with all the rest of the string functions.  This moves
them to string.S.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:19 +10:00
Linas Vepstas
768cc2d3b2 [POWERPC] IOMMU virtual merge is no longer experimental
Per conversations with BenH, IOMMU virtual merging should no longer
be considered to be an "experimental" feature.  In particular,
CONFIG_VMERGE has been set to "y" in the defconfigs for quite a while.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

----
 arch/powerpc/Kconfig |   11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-14 01:33:19 +10:00
Paul Mackerras
b2315372ea Merge branch 'linux-2.6' into for-2.6.24 2007-09-14 01:24:25 +10:00
Linus Torvalds
c87ce65868 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Move serial_dev_init to device_initcall()
  [POWERPC] Enable GENERIC_ISA_DMA if FSL_ULI1575 to fix compile issue
  [POWERPC] cpm2: Fix off-by-one error in setbrg().
  [PPC] 8xx: Fix r3 trashing due to 8MB TLB page instantiation
  [POWERPC] 8{5,6}xx: Fix build issue with !CONFIG_PCI
2007-09-12 12:23:51 -07:00
Rusty Russell
c413fecc76 lguest: Fix guest crash when CONFIG_X86_USE_3DNOW=y
One of the very first things lguest_init() does is a memcpy.  On
Athlon/Duron/K7 or CyrixIII/VIA-C3 or Geode GX/LX, this tries to use
MMX.

memcpy -> _mmx_memcpy -> kernel_fpu_begin -> clts -> paravirt_ops.clts

But we haven't set paravirt_ops.clts yet, so we do the native version
and crash.  The simplest solution is to use __memcpy.

Thanks to Michael Rasenberger for the bug report.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-12 12:19:46 -07:00
Olof Johansson
ee56c47440 [POWERPC] Move serial_dev_init to device_initcall()
With the I/O space rewrite by BenH, the legacy_serial serial_dev_init()
initcall is now called before I/O space is setup, but it's dependent on
it being available.

Since there's no way to make dependencies between initcalls, we'll just
have to move it to device_initcall(). Yes, it's suboptimal but I'm not
aware of any better solution at this time, and it fixes a regression
from 2.6.22.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-09-13 04:09:14 +10:00
Andi Kleen
9863b78a1a i386: Fix leak of ../kernel from top level
Fix a compile error when the directory above the kernel source contains
a file named "kernel".  Originally from Ben LaHaise, modified based on
feedback from Sam Ravnborg

Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Ben LaHaise <bcrl@kvack.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-12 09:28:06 -07:00
Andi Kleen
2966c6a03e x86_64: Prevent doing anything from cache_remove_dev() when info setup failed.
AK: Removed the unlikelies because gcc heuristics default to unlikely
AK: for test == NULL and for negative returns.

Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-12 09:28:06 -07:00
Andi Kleen
95b0867996 x86_64: Add missing mask operation to vdso
vdso vgetns() didn't mask the time source offset calculation, which
could lead to time problems with 32bit HPET.  Add the masking.

Thanks to Chuck Ebbert for tracking this down.

Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-12 09:28:06 -07:00
Linus Torvalds
99364df764 Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds:
  leds: Add missing include for leds.h
2007-09-12 09:17:40 -07:00
Paul Mackerras
b0052fcaef Define termios_1 functions for powerpc, s390, avr32 and frv
Commit f629307c85 introduced uses of
kernel_termios_to_user_termios_1 and user_termios_to_kernel_termios_1
on all architectures.  However, powerpc, s390, avr32 and frv don't
currently define those functions since their termios struct didn't
need to be changed when the arbitrary baud rate stuff was added, and
thus the kernel won't currently build on those architectures.

This adds definitions of kernel_termios_to_user_termios_1 and
user_termios_to_kernel_termios_1 to include/asm-generic/termios.h
which are identical to kernel_termios_to_user_termios and
user_termios_to_kernel_termios respectively.  The definitions are the
same because the "old" termios and "new" termios are in fact the same
on these architectures (which are the same ones that use
asm-generic/termios.h).

Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alan Cox <alan@redhat.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-12 09:08:05 -07:00
Kumar Gala
fb4f0e8832 [POWERPC] Enable GENERIC_ISA_DMA if FSL_ULI1575 to fix compile issue
Since the ULI1575 has a ISA bus we need to enable the generic ISA dma
support for drivers that might expect it.  Without this we get compile
errors like the following:

ound/built-in.o: In function `claim_dma_lock':
/home/galak/git/linux-8572/include/asm/dma.h:189: undefined reference to `dma_spin_lock'
/home/galak/git/linux-8572/include/asm/dma.h:189: undefined reference to `dma_spin_lock'
sound/built-in.o: In function `release_dma_lock':
/home/galak/git/linux-8572/include/asm/dma.h:195: undefined reference to `dma_spin_lock'
sound/built-in.o: In function `claim_dma_lock':
/home/galak/git/linux-8572/include/asm/dma.h:189: undefined reference to `dma_spin_lock'
/home/galak/git/linux-8572/include/asm/dma.h:189: undefined reference to `dma_spin_lock'
sound/built-in.o:/home/galak/git/linux-8572/include/asm/dma.h:195: more undefined references to `dma_spin_lock' follow
make: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-09-12 10:41:10 -05:00
Linus Torvalds
0bc73c253e Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [BLUETOOTH]: Fix non-COMPAT build of hci_sock.c
2007-09-12 08:17:30 -07:00
Linus Torvalds
040a2b6b59 Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Fix booting on V100 systems.
2007-09-12 07:59:49 -07:00
Linus Torvalds
532df780a2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: usbtouchscreen - correctly set 'phys'
  Input: i8042 - add HP Pavilion DV4270ca to the MUX blacklist
  Input: i8042 - fix modpost warning
  Input: add more Braille keycodes
2007-09-12 07:57:00 -07:00
David S. Miller
1da97f83a8 [BLUETOOTH]: Fix non-COMPAT build of hci_sock.c
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-09-12 14:10:58 +02:00
David S. Miller
2cc7345ff7 [SPARC64]: Fix booting on V100 systems.
On the root PCI bus, the OBP device tree lists device 3 twice.
Once as 'pm' and once as 'lomp'.

Everything goes downhill from there.

Ignore the second instance to workaround this.

Thanks to Kövedi_Krisztián for the bug report and
testing the fix.

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-09-12 10:15:59 +02:00
Linus Torvalds
577107e8e4 Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
  ocfs2: Fix calculation of i_blocks during truncate
  [PATCH] ocfs2: Fix a wrong cluster calculation.
  [PATCH] ocfs2: fix mount option parsing
  ocfs2: update docs for new features
2007-09-11 17:23:16 -07:00
Adrian Bunk
7111de7643 fix SERIAL_CORE_CONSOLE driver dependencies
SERIAL_BFIN=m or SERIAL_MUX=m shouldn't allow SERIAL_CORE_CONSOLE=y.

Additionally, this patch fixes whitespace instead of tabs at the
SERIAL_MUX_CONSOLE option.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-11 17:21:27 -07:00
Krzysztof Halasa
9c54ea9585 Subject: [PATCH] Intel FB pixel clock calculation fix
Intel framebuffer mis-calculated pixel clocks.

The pixel clock (and thus both H and V sync) will be slower than requested, so
if you set the minimum allowed the display may not sync.  In case of really
old CRT display it could theoretically damage it.

I'm using it with PAL TV (using RGB input - SCART connector) and the bug
prevented it from working at all (TV requirements are more strict and made the
bug visible).

Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-11 17:21:27 -07:00
Christoph Lameter
ba0268a8b0 SLUB: accurately compare debug flags during slab cache merge
This was posted on Aug 28 and fixes an issue that could cause troubles
when slab caches >=128k are created.

http://marc.info/?l=linux-mm&m=118798149918424&w=2

Currently we simply add the debug flags unconditional when checking for a
matching slab.  This creates issues for sysfs processing when slabs exist
that are exempt from debugging due to their huge size or because only a
subset of slabs was selected for debugging.

We need to only add the flags if kmem_cache_open() would also add them.

Create a function to calculate the flags that would be set
if the cache would be opened and use that function to determine
the flags before looking for a compatible slab.

[akpm@linux-foundation.org: fixlets]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-11 17:21:27 -07:00