linux/arch/arm
Anton Vorontsov 3eaa73bde2 arm: use clear_tasks_mm_cpumask()
Checking for process->mm is not enough because process' main thread may
exit or detach its mm via use_mm(), but other threads may still have a
valid mm.

To fix this we would need to use find_lock_task_mm(), which would walk up
all threads and returns an appropriate task (with task lock held).

clear_tasks_mm_cpumask() has this issue fixed, so let's use it.

Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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>
2012-05-31 17:49:29 -07:00
..
boot arm-soc: soc specific changes, part 2 2012-05-26 13:05:55 -07:00
common Merge branch 'for-linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping 2012-05-25 09:18:59 -07:00
configs rtc: rename CONFIG_RTC_MXC to CONFIG_RTC_DRV_MXC 2012-05-29 16:22:33 -07:00
include/asm arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
kernel arm: use clear_tasks_mm_cpumask() 2012-05-31 17:49:29 -07:00
lib
mach-at91 Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-05-25 09:31:59 -07:00
mach-bcmring
mach-clps711x
mach-cns3xxx
mach-davinci arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-dove arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
mach-ebsa110
mach-ep93xx arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-exynos arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-footbridge
mach-gemini
mach-h720x
mach-highbank
mach-imx arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-integrator
mach-iop13xx
mach-iop32x
mach-iop33x
mach-ixp4xx Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2012-05-21 16:01:50 -07:00
mach-kirkwood arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
mach-ks8695
mach-l7200/include/mach
mach-lpc32xx GPIO driver changes for v3.5 merge window 2012-05-24 14:01:46 -07:00
mach-mmp arm-soc: board specific changes 2012-05-22 13:32:53 -07:00
mach-msm arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-mv78xx0 arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
mach-mxs arm-soc: device tree conversions, part 2 2012-05-26 12:57:47 -07:00
mach-netx
mach-nomadik
mach-omap1 arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-omap2 arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-orion5x arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
mach-picoxcell
mach-pnx4008 arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-prima2 arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-pxa arm-soc: board specific changes 2012-05-22 13:32:53 -07:00
mach-realview
mach-rpc
mach-s3c24xx arm-soc: soc specific changes, part 2 2012-05-26 13:05:55 -07:00
mach-s3c64xx arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-s3c2410
mach-s3c2412
mach-s3c2440
mach-s5p64x0
mach-s5pc100
mach-s5pv210 USB 3.5-rc1 pull request 2012-05-22 15:50:46 -07:00
mach-sa1100 arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-shark
mach-shmobile arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-spear3xx arm-soc: soc-specific pinctrl changes 2012-05-22 09:39:42 -07:00
mach-spear6xx arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
mach-spear13xx
mach-tegra arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
mach-u300
mach-ux500 MFD changes for 3.5 2012-05-29 11:53:11 -07:00
mach-versatile
mach-vexpress
mach-vt8500
mach-w90x900
mach-zynq
mm Merge branch 'for-linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping 2012-05-25 09:18:59 -07:00
net
nwfpe
oprofile
plat-iop
plat-mxc arm-soc: sweeping late_initcall cleanup 2012-05-26 13:14:01 -07:00
plat-nomadik
plat-omap arm-soc: cleanups, part 2 2012-05-26 12:31:49 -07:00
plat-orion arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
plat-pxa
plat-s3c24xx
plat-samsung arm-soc: soc specific changes, part 2 2012-05-26 13:05:55 -07:00
plat-spear arm-soc: soc-specific pinctrl changes 2012-05-22 09:39:42 -07:00
plat-versatile
tools
vfp
Kconfig arm-soc: device tree conversions, part 2 2012-05-26 12:57:47 -07:00
Kconfig-nommu
Kconfig.debug arm-soc: device tree conversions, part 2 2012-05-26 12:57:47 -07:00
Makefile arm-soc: soc specific changes, part 2 2012-05-26 13:05:55 -07:00