Re: [PATCH v7 00/12] Support non-lru page migration

2016-06-15 Thread Minchan Kim
el: page dumped because: nonzero mapcount > > > kernel: Modules linked in: lzo zram zsmalloc mousedev coretemp hwmon > > > crc32c_intel snd_hda_codec_realtek i2c_i801 snd_hda_codec_generic r8169 > > > mii snd_hda_intel snd_hda_codec snd_hda_core acpi_cpufreq snd_pcm &g

Re: [PATCH v6v3 02/12] mm: migrate: support non-lru movable page migration

2016-06-15 Thread Minchan Kim
On Thu, Jun 16, 2016 at 09:12:07AM +0530, Anshuman Khandual wrote: > On 06/16/2016 05:56 AM, Minchan Kim wrote: > > On Wed, Jun 15, 2016 at 12:15:04PM +0530, Anshuman Khandual wrote: > >> On 06/15/2016 08:02 AM, Minchan Kim wrote: > >>> Hi, > >>> > >>> On Mon, Jun 13, 2016 at 03:08:19PM +0530, Ansh

Re: [PATCH v7 00/12] Support non-lru page migration

2016-06-15 Thread Sergey Senozhatsky
gt; soundcore lpc_ich processor mfd_core sch_fq_codel sd_mod hid_generic usb > > kernel: CPU: 3 PID: 38 Comm: khugepaged Not tainted > > 4.7.0-rc3-next-20160615-dbg-5-gfd11984-dirty #491 > > kernel: 8801124c73f8 814d69b0 ea00040

Re: [PATCH v7 00/12] Support non-lru page migration

2016-06-15 Thread Minchan Kim
Could you bisect it? > kernel: flags: 0x8000() > kernel: page dumped because: nonzero mapcount > kernel: Modules linked in: lzo zram zsmalloc mousedev coretemp hwmon > crc32c_intel snd_hda_codec_realtek i2c_i801 snd_hda_codec_generic r8169 mii > snd_hda_intel snd_hda_codec snd_h

Re: [PATCH v7 00/12] Support non-lru page migration

2016-06-15 Thread Sergey Senozhatsky
o mapcount kernel: Modules linked in: lzo zram zsmalloc mousedev coretemp hwmon crc32c_intel snd_hda_codec_realtek i2c_i801 snd_hda_codec_generic r8169 mii snd_hda_intel snd_hda_codec snd_hda_core acpi_cpufreq snd_pcm snd_timer snd soundcore lpc_ich processor mfd_core sch_fq_codel sd_mod hid_generic usb kernel:

Re: [PATCH v6v3 02/12] mm: migrate: support non-lru movable page migration

2016-06-15 Thread Anshuman Khandual
On 06/16/2016 05:56 AM, Minchan Kim wrote: > On Wed, Jun 15, 2016 at 12:15:04PM +0530, Anshuman Khandual wrote: >> On 06/15/2016 08:02 AM, Minchan Kim wrote: >>> Hi, >>> >>> On Mon, Jun 13, 2016 at 03:08:19PM +0530, Anshuman Khandual wrote: > On 05/31/2016 05:31 AM, Minchan Kim wrote: >>> @

Re: [PATCH v7 00/12] Support non-lru page migration

2016-06-15 Thread Minchan Kim
On Thu, Jun 16, 2016 at 11:48:27AM +0900, Sergey Senozhatsky wrote: > Hi, > > On (06/16/16 08:12), Minchan Kim wrote: > > > [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled > > > [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user > > > memory access > > > [ 315.146546] general

Re: [PATCH v7 00/12] Support non-lru page migration

2016-06-15 Thread Sergey Senozhatsky
odec_generic r8169 mii i2c_i801 snd_hda_intel snd_hda_codec snd_hda_core snd_pcm snd_timer acpi_cpufreq snd lpc_ich soundcore mfd_core processor sch_fq_codel sd_mod hid_generic usbhid hid ahci libahci ehci_pci libata ehci_hcd usbcore scsi_mod usb_common [ 319.363895] CPU: 0 PID: 45 Comm: kswapd0

Re: [PATCH v6v3 02/12] mm: migrate: support non-lru movable page migration

2016-06-15 Thread Minchan Kim
On Wed, Jun 15, 2016 at 12:15:04PM +0530, Anshuman Khandual wrote: > On 06/15/2016 08:02 AM, Minchan Kim wrote: > > Hi, > > > > On Mon, Jun 13, 2016 at 03:08:19PM +0530, Anshuman Khandual wrote: > >> > On 05/31/2016 05:31 AM, Minchan Kim wrote: > >>> > > @@ -791,6 +921,7 @@ static int __unmap_and_

Re: [PATCH v7 00/12] Support non-lru page migration

2016-06-15 Thread Minchan Kim
Hi Sergey, On Wed, Jun 15, 2016 at 04:59:09PM +0900, Sergey Senozhatsky wrote: > Hello Minchan, > > -next 4.7.0-rc3-next-20160614 > > > [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled > [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user memory > access > [ 315.146546] gener

Re: [PATCH v5 2/6] virt, sched: add generic vcpu pinning support

2016-06-15 Thread Juergen Gross
On 06/04/16 16:17, Juergen Gross wrote: Add generic virtualization support for pinning the current vcpu to a specified physical cpu. As this operation isn't performance critical (a very limited set of operations like BIOS calls and SMIs is expected to need this) just add a hypervisor specific ind

Re: [PATCH v5 5/6] dcdbas: make use of smp_call_on_cpu()

2016-06-15 Thread Juergen Gross
On 06/04/16 16:17, Juergen Gross wrote: Use smp_call_on_cpu() to raise SMI on cpu 0. Make call secure by adding get_online_cpus() to avoid e.g. suspend resume cycles in between. Signed-off-by: Juergen Gross Could please some maintainer comment on this patch? Juergen --- V4: add call to ge

Re: [PATCH net-next V2] tun: introduce tx skb ring

2016-06-15 Thread kbuild test robot
Hi, [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Jason-Wang/tun-introduce-tx-skb-ring/20160615-164041 config: x86_64-randconfig-s2-06151732 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached

[PATCH net-next V2] tun: introduce tx skb ring

2016-06-15 Thread Jason Wang
We used to queue tx packets in sk_receive_queue, this is less efficient since it requires spinlocks to synchronize between producer and consumer. This patch tries to address this by: - introduce a new mode which will be only enabled with IFF_TX_ARRAY set and switch from sk_receive_queue to a fi

Re: [PATCH v7 00/12] Support non-lru page migration

2016-06-15 Thread Sergey Senozhatsky
Hello Minchan, -next 4.7.0-rc3-next-20160614 [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 315.146546] general protection fault: [#1] PREEMPT SMP KASAN [ 315.146576] Modules linked in: lzo zram zsmall