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Lee Schermerhorn 39da08cb07 hugetlb: offload per node attribute registrations 
Offload the registration and unregistration of per node hstate sysfs
attributes to a worker thread rather than attempt the
allocation/attachment or detachment/freeing of the attributes in the
context of the memory hotplug handler.

I don't know that this is absolutely required, but the registration can
sleep in allocations and other mem hot plug handlers do it this way.  If
it turns out this is NOT required, we can drop this patch.

N.B.,  Only tested build, boot, libhugetlbfs regression.
       i.e., no memory hotplug testing.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Reviewed-by: Andi Kleen <andi@firstfloor.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Adam Litke <agl@us.ibm.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-15 08:53:13 -08:00
..
accessibility
acpi Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq 2009-12-11 15:59:23 -08:00
amba
ata Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2009-12-12 14:27:24 -08:00
atm Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-12-11 17:12:17 -08:00
auxdisplay
base hugetlb: offload per node attribute registrations 2009-12-15 08:53:13 -08:00
block Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2009-12-12 14:27:24 -08:00
bluetooth USB: remove the auto_pm flag 2009-12-11 11:55:21 -08:00
cdrom Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2009-12-09 19:03:16 -08:00
char /dev/mem: remove redundant parameter from do_write_kmem() 2009-12-15 08:53:12 -08:00
clocksource
connector
cpufreq Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-12-14 09:58:24 -08:00
cpuidle
crypto Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-12-14 09:58:24 -08:00
dca
dio m68k: don't export static inline functions 2009-12-06 11:18:28 +01:00
dma Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-12-14 09:58:24 -08:00
edac x86, msr: Add support for non-contiguous cpumasks 2009-12-11 10:59:21 -08:00
eisa
firewire Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-12-11 15:22:27 -08:00
firmware firmware_class: make request_firmware_nowait more useful 2009-12-11 11:24:52 -08:00
gpio mfd: Rename all twl4030_i2c* 2009-12-13 21:23:33 +01:00
gpu Merge branch 'drm-nouveau-pony' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 2009-12-11 14:32:49 -08:00
hid USB: remove the auto_pm flag 2009-12-11 11:55:21 -08:00
hwmon i2c: Drop I2C_CLIENT_INSMOD_2 to 8 2009-12-14 21:17:27 +01:00
i2c i2c-core: i2c bus should support PM entries in struct dev_pm_ops 2009-12-14 21:17:30 +01:00
ide Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2009-12-12 14:27:24 -08:00
idle
ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
ieee802154
infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-12-14 09:58:24 -08:00
input mfd: Rename all twl4030_i2c* 2009-12-13 21:23:33 +01:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2009-12-14 12:33:02 -08:00
leds Merge branch 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 2009-12-12 15:22:22 -08:00
lguest Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-12-14 09:58:24 -08:00
macintosh Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2009-12-12 14:27:24 -08:00
mca
md md: add 'recovery_start' per-device sysfs attribute 2009-12-14 12:58:57 +11:00
media V4L/DVB (13592): max2165: 32bit build patch 2009-12-10 12:45:18 -02:00
memstick
message Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
mfd mfd: Add twl6030 regulator subdevices 2009-12-14 00:26:26 +01:00
misc i2c: Drop I2C_CLIENT_INSMOD_1 2009-12-14 21:17:26 +01:00
mmc Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2009-12-12 14:27:24 -08:00
mtd Merge git://git.infradead.org/ubifs-2.6 2009-12-10 09:31:45 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2009-12-14 12:33:02 -08:00
nubus
of Merge commit 'origin/master' into next 2009-12-09 17:14:38 +11:00
oprofile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-12-14 09:58:24 -08:00
parisc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
parport Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 2009-12-08 08:13:35 -08:00
pci Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-12-11 12:18:16 -08:00
pcmcia Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2009-12-14 12:33:02 -08:00
platform Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2009-12-09 19:57:06 -08:00
pnp Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-12-11 12:18:16 -08:00
power mfd: Mask and unmask wm8350 IRQs on request and free 2009-12-13 19:21:40 +01:00
pps
ps3
rapidio
regulator regulator: Add support for twl6030 regulators 2009-12-14 00:26:20 +01:00
rtc rtc: Add twl6030 RTC support 2009-12-14 00:26:08 +01:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-12-14 09:58:24 -08:00
sbus
scsi Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
serial Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 2009-12-11 15:34:40 -08:00
sfi
sh
sn
spi Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6 2009-12-14 10:22:11 -08:00
ssb Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-12-05 15:22:26 -08:00
staging Staging: batman: fix debug Kconfig option 2009-12-11 15:49:27 -08:00
tc
telephony Merge branch 'for-next' into for-linus 2009-12-07 18:36:35 +01:00
thermal
uio
usb mfd: Rename all twl4030_i2c* 2009-12-13 21:23:33 +01:00
uwb
video mfd: Rename all twl4030_i2c* 2009-12-13 21:23:33 +01:00
virtio
vlynq
w1
watchdog mfd: Rename all twl4030_i2c* 2009-12-13 21:23:33 +01:00
xen Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-12-11 12:18:16 -08:00
zorro m68k: don't export static inline functions 2009-12-06 11:18:28 +01:00
Kconfig
Makefile