Hi,
I wanted to submit my first patch.
But I have some confusion about the /scripts/checkpatch.pl errors.
After correcting some checkpatch errors, when I run checkpatch.pl, it showed me
0 errors.
But when I create patches are git format-patch, it is showing me 1 error.
If I fix error in patch,
>
> From: anish singh
>To: PINTU KUMAR
>Cc: "linux-kernel@vger.kernel.org" ;
>"linux...@kvack.org"
>Sent: Sunday, 9 June 2013 10:58 PM
>Subject: Re: [checkpatch] - Confusion
>
>
>On Mon, Jun 10, 2013 at 11:2
This patch set fixes all errors reported by checkpatch.
It also fixes the very small spell mistakes.
Signed-off-by: Pintu Kumar
---
mm/page_alloc.c | 45 -
1 file changed, 24 insertions(+), 21 deletions(-)
diff --git a/mm/page_alloc.c b/mm
: Pintu Kumar
---
mm/page_alloc.c |4
1 file changed, 4 insertions(+)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 202ab58..6d38e75 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1564,6 +1564,10 @@ __setup("fail_page_alloc=", setup_fail_page_alloc);
s
Hi Johannes,
Thank you for your reply.
This is my first kernel patch, sorry for the small mistakes.
Please find my comments inline.
>
> From: Johannes Weiner
>To: Pintu Kumar
>Cc: a...@linux-foundation.org; mgor...@suse.de; jiang@huawei
* Sorry Re-sending as plain text.
Dear Mr. Mel Gorman,
I have one question about memory compaction.
Kernel version: kernel-3.4 (ARM)
Chipset: Qual-Comm MSM8930 dual-core.
We wanted to enable CONFIG_COMPACTION for our product with kernel-3.4.
But QC commented that, enabling compaction on their c
any utility please let me know.
Or,
please let me know how to track memcpy from kernel space may be using some
kernel module.
Thank You!
With Regards,
Pintu
>
>From: PINTU KUMAR
>To: "linux...@kvack.org" ; "linux-kernel@vger.kernel.or
>
> From: PINTU KUMAR
>To: "linux...@kvack.org" ; "linux-kernel@vger.kernel.org"
>
>Cc: "linux-arm-ker...@lists.infradead.org"
>; "pint...@samsung.com"
>; Anton Vorontsov ; Alan Cox
>; richard -rw- weinber
Hi All,
For one of our ARM embedded product, we recently updated the Kernel version from
3.4 to 3.18 and we noticed that the same application memory usage (PSS value)
gone up by ~10% and for some cases it even crossed ~50%.
There is no change in platform part. All platform component was built with
Hi,
> -Original Message-
> From: Minchan Kim [mailto:minc...@kernel.org]
> Sent: Friday, August 05, 2016 1:50 PM
> To: PINTU KUMAR
> Cc: linux-kernel@vger.kernel.org; linux...@kvack.org;
> jaejoon@samsung.com; jy0.j...@samsung.com; vishnu...@samsung.com
> S
On Wed, Nov 1, 2017 at 3:28 AM, Laura Abbott wrote:
> On 10/31/2017 03:21 AM, Pintu Kumar wrote:
>> On Tue, Oct 31, 2017 at 2:32 AM, Laura Abbott wrote:
>>> On 10/30/2017 12:12 AM, Pintu Kumar wrote:
>>>> On Sun, Oct 29, 2017 at 7:51 PM, kernel test robot
>>&g
On Wed, Nov 1, 2017 at 8:34 PM, Shuah Khan wrote:
> On 11/01/2017 04:12 AM, Pintu Kumar wrote:
>> On Wed, Nov 1, 2017 at 3:28 AM, Laura Abbott wrote:
>>> On 10/31/2017 03:21 AM, Pintu Kumar wrote:
>>>> On Tue, Oct 31, 2017 at 2:32 AM, Laura Abbott wrote:
>&
On Wed, Nov 1, 2017 at 10:27 PM, Shuah Khan wrote:
> On 11/01/2017 10:26 AM, Pintu Kumar wrote:
>> On Wed, Nov 1, 2017 at 8:34 PM, Shuah Khan wrote:
>>> On 11/01/2017 04:12 AM, Pintu Kumar wrote:
>>>> On Wed, Nov 1, 2017 at 3:28 AM, Laura Abbott wrote:
>>>
On Thu, Nov 2, 2017 at 8:37 PM, Shuah Khan wrote:
> Hi Pintu,
>
> On 11/01/2017 11:00 AM, Pintu Agarwal wrote:
>> This is a test utility to verify ION buffer sharing in user space
>> between 2 independent processes.
>> It uses unix domain socket (with SCM_RIGHTS) as IPC to transfer an FD to
>> ano
Hi,
My proposal is to maintain a common base defconfig file for all ARM
products and only add the additional configs in the new defconfig
file.
I am not sure if this is already possible. If this is possible please
let us know the steps.
For example:
Under arch/arm/configs , there are more than 10
ST_PROGS := ion_test.sh
> +
> +include ../../lib.mk
> +
> +$(OUTPUT)/ionapp_export: ionapp_export.c ipcsocket.c ionutils.c
> +$(OUTPUT)/ionapp_import: ionapp_import.c ipcsocket.c ionutils.c
> diff --git a/tools/testing/selftests/android/ion/README
> b/tools/testing/selftes
On Fri, Nov 3, 2017 at 6:02 AM, Shuah Khan wrote:
> On 11/02/2017 05:54 PM, Laura Abbott wrote:
>> On 11/02/2017 10:53 AM, Shuah Khan wrote:
>>> On 11/02/2017 10:19 AM, Shuah Khan wrote:
>>>> On 11/02/2017 10:15 AM, Pintu Kumar wrote:
>>>>> On T
7e6f39
>>> --- /dev/null
>>> +++ b/tools/testing/selftests/android/ion/.gitignore
>>> @@ -0,0 +1,2 @@
>>> +ionapp_export
>>> +ionapp_import
>>> diff --git a/tools/testing/selftests/android/ion/Makefile
>>> b/tools/testing/selftests/androi
On Fri, Oct 27, 2017 at 2:15 PM, Greg Kroah-Hartman
wrote:
> On Fri, Oct 27, 2017 at 11:04:49AM +0530, Pintu Kumar wrote:
>> Dear Laura, Shuah,
>>
>> Request you to please review the PATCHv4.
>
> A response with only 3 days, while everyone is traveling at conferences,
&
On Sun, Oct 29, 2017 at 7:51 PM, kernel test robot
wrote:
>
> FYI, we noticed the following commit (built with gcc-6):
>
> commit: 5fb70554d68e2ea032b6a28b082801d8b7b76cb8 ("android/ion: userspace
> test utility for ion buffer sharing")
> url:
> https://github.com/0day-ci/linux/commits/Pintu-Aga
/testing/selftests/android/ion/Makefile
>> new file mode 100644
>> index 000..1399a5e
>> --- /dev/null
>> +++ b/tools/testing/selftests/android/ion/Makefile
>> @@ -0,0 +1,16 @@
>> +
>> +INCLUDEDIR := -I../../../../../drivers/staging/android/uapi/
On Tue, Oct 31, 2017 at 2:32 AM, Laura Abbott wrote:
> On 10/30/2017 12:12 AM, Pintu Kumar wrote:
>> On Sun, Oct 29, 2017 at 7:51 PM, kernel test robot
>> wrote:
>>>
>>> FYI, we noticed the following commit (built with gcc-6):
>>>
>>> commit:
Hi,
> -Original Message-
> From: Michal Hocko [mailto:mho...@kernel.org]
> Sent: Monday, October 05, 2015 5:53 PM
> To: PINTU KUMAR
> Cc: a...@linux-foundation.org; minc...@kernel.org; d...@stgolabs.net;
> koc...@gmail.com; rient...@google.com; han...@cmpxchg.org; p
Hi,
> -Original Message-
> From: Michal Hocko [mailto:mho...@kernel.org]
> Sent: Tuesday, October 06, 2015 9:12 PM
> To: PINTU KUMAR
> Cc: a...@linux-foundation.org; minc...@kernel.org; d...@stgolabs.net;
> koc...@gmail.com; rient...@google.com; han...@cmpxchg.org; p
logs.
Signed-off-by: Pintu Kumar
---
include/linux/vm_event_item.h |1 +
mm/oom_kill.c |2 ++
mm/page_alloc.c |1 -
mm/vmstat.c |1 +
4 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/linux/vm_event_item.h b/include
Hi,
Sorry, I forgot to mention the V2 update.
I will highlight the V2 changes and RESEND.
> -Original Message-
> From: Pintu Kumar [mailto:pint...@samsung.com]
> Sent: Monday, October 12, 2015 7:03 PM
> To: a...@linux-foundation.org; minc...@kernel.org; d...@stgolabs
logs.
Signed-off-by: Pintu Kumar
---
V2: Removed oom_stall, Suggested By: Michal Hocko
Renamed oom_kill_count to nr_oom_victims,
Suggested By: Michal Hocko
Suggested By: Anshuman Khandual
include/linux/vm_event_item.h |1 +
mm/oom_kill.c |2 ++
mm/page_alloc.c
Hi,
Thank you very much for your review and comments.
> -Original Message-
> From: David Rientjes [mailto:rient...@google.com]
> Sent: Wednesday, October 14, 2015 8:36 AM
> To: Pintu Kumar
> Cc: a...@linux-foundation.org; minc...@kernel.org; d...@stgolabs.net;
> m
Hi,
> -Original Message-
> From: David Rientjes [mailto:rient...@google.com]
> Sent: Thursday, October 15, 2015 3:35 AM
> To: PINTU KUMAR
> Cc: a...@linux-foundation.org; minc...@kernel.org; d...@stgolabs.net;
> mho...@suse.cz; koc...@gmail.com; han...@cmpxchg.org
are 610 times, kernel entered into OOM
cases. However, there were around 1763 oom killing happens.
The OOM is bad for the any system. So, this counter can help the developer
in tuning the memory requirement at least during initial bringup.
Signed-off-by: Pintu Kumar
---
include/linux
Hi,
> -Original Message-
> From: Michal Hocko [mailto:mho...@kernel.org]
> Sent: Thursday, October 01, 2015 7:09 PM
> To: Pintu Kumar
> Cc: a...@linux-foundation.org; minc...@kernel.org; d...@stgolabs.net;
> koc...@gmail.com; rient...@google.com; han...@cmpxchg.org; p
Hi,
> -Original Message-
> From: Anshuman Khandual [mailto:khand...@linux.vnet.ibm.com]
> Sent: Thursday, October 01, 2015 7:00 PM
> To: Pintu Kumar; a...@linux-foundation.org; minc...@kernel.org;
> d...@stgolabs.net; mho...@suse.cz; koc...@gmail.com; rient...@go
On Thu, Jul 26, 2018 at 9:08 PM Sebastian Andrzej Siewior
wrote:
>
> On 2018-07-18 20:19:15 [+0530], Pintu Kumar wrote:
> > Hi All,
> Hi,
>
> > I have a question about PREEMPT_RT patch for 3.10 kernel.
> > I am trying to port this rt patch: 0224-printk-rt-aware.
Hi All,
I am verifying all perf tests on Ubuntu-16 x86-64 platform using the
kernel version 4.9.20.
I have installed several others packages including: clang, llvm
But, when I run 'perf test' I get some FAILURE.
Specially, 'perf test LLVM' is failing.
Please check the below error logs:
F file
bpf_probe: failed to convert perf probe eventsFailed to add events
selected by BPF
test child finished with -1
end
Test BPF filter subtest 1: FAILED!
Thanks,
Pintu
On Wed, Jan 24, 2018 at 6:39 AM, Wangnan (F) wrote:
>
>
> On 2018/1/23 20:37, Pintu Kumar wrote:
>>
&
ING_DIR=/lib/modules/4.9.20-sc-amd-x86-64/build
If you have any clue about these failure please help me.
Thanks,
Pintu
On Wed, Jan 24, 2018 at 8:23 PM, Pintu Kumar wrote:
> Hi,
>
> Thanks for your help.
> Yes it was a sub version issue.
>
> Earlier, while building the k
On Tue, Jan 30, 2018 at 11:13 AM, Masami Hiramatsu wrote:
>
> On Mon, 29 Jan 2018 22:00:52 +0530
> Pintu Kumar wrote:
>
> > Dear Masami,
> >
> > Thank you so much for your reply.
> > Please find some of my answers inline.
> >
> >
> > On Mon,
Hiramatsu wrote:
> On Tue, 30 Jan 2018 19:20:36 +0530
> Pintu Kumar wrote:
>
>> On Tue, Jan 30, 2018 at 11:13 AM, Masami Hiramatsu
>> wrote:
>> >
>> > On Mon, 29 Jan 2018 22:00:52 +0530
>> > Pintu Kumar wrote:
>> >
>> > > De
no member f_mode.
An error occurred in debuginfo analysis (-22).
bpf_probe: failed to convert perf probe eventsFailed to add events
selected by BPF
test child finished with -1
end
Test BPF filter subtest 1: FAILED!
On Thu, Feb 1, 2018 at 10:50 AM, Pintu Kumar wrote:
> Dear Masami,
>
2018 at 7:09 PM, Pintu Kumar wrote:
> Hi,
>
> ** Changed the subject now, since these issues are related to general
> perf commands.
>
> Following are the issues:
>
> 1) perf probe --add schedule - FAILED
> output:
> schedule is out of .text, skip it.
> Error:
Dear Masami,
Thank you so much for your reply.
Please find some of my answers inline.
On Mon, Jan 29, 2018 at 7:47 PM, Masami Hiramatsu wrote:
> On Mon, 29 Jan 2018 13:40:34 +0530
> Pintu Kumar wrote:
>
>> Hi All,
>>
>> 'perf probe' is failing sometimes o
Hi,
First the few details:
Kernel: 4.9.20
Machine: x86_64 (AMD)
Model: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
Cores: 8
Available clock source:
# cat /sys/devices/system/clocksource/clocksource0/available_clocksource
tsc hpet acpi_pm
Problem:
[ 28.027409] NMI watchdog: Watchdog detected hard L
On Thu, Apr 5, 2018 at 1:09 PM, Anders Roxell wrote:
> gcc warns that 'heap_type' is not initialized if we don't come through
> any of the two 'case' statesments before:
>
> ionapp_export.c:91:2: warning: ‘heap_type’ may be used uninitialized in
> this function [-Wmaybe-uninitialized]
> printf("
Hi,
As a simple query,
Is there a way to skip current available clock source (hpet) and allow
to pick the next one ?
I guess this will solve our purpose.
Thanks,
Pintu
On Fri, Apr 6, 2018 at 8:37 PM, Pintu Kumar wrote:
> Hi,
>
> First the few details:
> Kernel: 4.9.20
> Machi
On Tue, Jul 10, 2018 at 8:20 PM Shuah Khan wrote:
>
> Hi Li Zhijian,
>
> On 07/01/2018 09:53 PM, Li Zhijian wrote:
> > root@vm-lkp-nex04-8G-7 ~/linux-v4.18-rc2/tools/testing/selftests/android#
> > make
> > make[1]: warning: jobserver unavailable: using -j1. Add '+' to parent make
> > rule.
> >
Hi,
I need one help.
I am using i.MX7 Sabre board with kernel version 4.1.15
Let's say I am interested in GPIO number: 21
I wanted to set CPU affinity for particular GPIO->IRQ number, so I
tried the below steps:
root@10:~# echo 21 > /sys/class/gpio/export
root@10:~# echo "rising" > /sys/class/gpi
On Fri, May 11, 2018 at 6:34 PM, Lucas Stach wrote:
> Am Freitag, den 11.05.2018, 13:39 +0100 schrieb Russell King - ARM Linux:
>> On Fri, May 11, 2018 at 05:07:37PM +0530, Pintu Kumar wrote:
>> > Hi,
>> >
>> > I need one help.
>> > I am using
On Thu, May 3, 2018 at 2:48 AM, Shuah Khan (Samsung OSG)
wrote:
> Delete RUN_TESTS and EMIT_TESTS overrides and use common defines in
> lib.mk. Common defines work just fine and there is no need to define
> custom overrides.
>
> Signed-off-by: Shuah Khan (Samsung OSG)
> ---
> tools/testing/selft
be served by another CPU ?
Need your inputs to decide whether it is still possible to set
affinity for GPIO interrupt, or its impossible ?
Thanks,
Pintu
On Fri, May 11, 2018 at 8:07 PM, Pintu Kumar wrote:
> On Fri, May 11, 2018 at 6:34 PM, Lucas Stach wrote:
>> Am Freitag, den 1
On Mon, May 14, 2018 at 6:41 PM, Lucas Stach wrote:
> Am Montag, den 14.05.2018, 17:42 +0530 schrieb Pintu Kumar:
>> Hi,
>>
>> Is there any work around possible to set IRQ affinity for some GPIO
>> interrupt ?
>> How to avoid CPU0 to receive the current GPIO int
On Mon, May 14, 2018 at 7:58 PM, Pintu Kumar wrote:
>
> On Mon, May 14, 2018 at 6:41 PM, Lucas Stach wrote:
> > Am Montag, den 14.05.2018, 17:42 +0530 schrieb Pintu Kumar:
> >> Hi,
> >>
> >> Is there any work around possible to set IRQ affinity for some
On Sun, Sep 16, 2018 at 9:02 PM Mike Rapoport wrote:
>
> On Fri, Sep 14, 2018 at 07:58:01PM +0530, Pintu Kumar wrote:
> > Hi All,
> >
> > Board: Hikey620 ARM64
> > Kernel: 4.9.20
> >
> > I am trying to verify KSM (Kernel Same Page Merging) functionality
On Mon, Sep 17, 2018 at 10:07 AM Mike Rapoport wrote:
>
> On Sun, Sep 16, 2018 at 10:35:17PM +0530, Pintu Kumar wrote:
> > On Sun, Sep 16, 2018 at 9:02 PM Mike Rapoport
> > wrote:
> > >
> > > On Fri, Sep 14, 2018 at 07:58:01PM +0530, Pintu Kumar wrote:
&
On Mon, Sep 17, 2018 at 11:46 AM Pintu Kumar wrote:
> > > But still no effect.
> > > And I checked LTP test cases. It almost doing the same thing.
> > >
> > > I observed that [ksmd] thread is not waking up at all.
> > > I gave some print inside
s this the expected behavior, even on PREEMPT_RT kernel?
Is there a way we can fix this issue on non-rt kernel?
Please help us with your suggestions.
Thanks,
Pintu
On Wed, Jun 13, 2018 at 8:02 PM Pintu Kumar wrote:
>
> Dear Thomas,
>
> I was looking into this RT patches fo
.
No functionality is broken or changed this way.
Signed-off-by: Pintu Kumar
Signed-off-by: Pintu Agarwal
---
v2: completely get rid of this variable and set .data to NULL
Suggested-by: Vlastimil Babka
include/linux/compaction.h | 1 -
kernel/sysctl.c| 2 +-
mm/compaction.c
ode is filled with default
or current value.
There could be few other use cases where this can be useful.
Signed-off-by: Pintu Kumar
Signed-off-by: Pintu Agarwal
---
Documentation/admin-guide/sysctl/vm.rst | 8
include/linux/vmstat.h | 7 +++
kernel/sysct
changed this way.
Signed-off-by: Pintu Kumar
Signed-off-by: Pintu Agarwal
---
include/linux/compaction.h | 1 -
kernel/sysctl.c| 1 +
mm/compaction.c| 3 ---
3 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
!
Regards,
Pintu Kumar
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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Please read the FAQ at http://w
Hi,
I have some queries regarding IOMMU and CMA buffer sharing.
We have an embedded linux device (kernel 3.10, RAM: 256Mb) in which camera and
codec supports IOMMU but the display does not support IOMMU.
Thus for camera capture we are using iommu buffers using ION/DMABUF. But for
all display r
buffer sharing using IOMMU
> Date: Mon, 12 May 2014 14:00:57 +0200
>
> On Monday 12 May 2014 15:12:41 Pintu Kumar wrote:
>> Hi,
>> I have some queries regarding IOMMU and CMA buffer sharing.
>> We have an embedded linux device (kernel 3.10, RAM: 256Mb) in
>> which
linux-kernel@vger.kernel.org;
> linaro-mm-...@lists.linaro.org
> Subject: Re: Questions regarding DMA buffer sharing using IOMMU
>
> On 5/12/2014 7:37 AM, Pintu Kumar wrote:
>> Hi,
>> Thanks for the reply.
>>
>> --
linux-kernel@vger.kernel.org;
> linaro-mm-...@lists.linaro.org
> Subject: Re: Questions regarding DMA buffer sharing using IOMMU
>
> On 5/12/2014 7:37 AM, Pintu Kumar wrote:
>> Hi,
>> Thanks for the reply.
>>
>> --
>
> From: Stefan Beller
>To: PINTU KUMAR ; "linux...@kvack.org"
>; "linux-kernel@vger.kernel.org"
>; "mgor...@suse.de"
>Sent: Monday, 30 December 2013 1:55 AM
>Subject: Re: Help about calculating total me
Hi,
I need help in roughly calculating the total memory consumption in an embedded
Linux system just after booting is finished.
I know, I can see the memory stats using "free" and "/proc/meminfo"
But, I need the breakup of "Used" memory during bootup, for both kernel space
and user application.
Hi,
- Original Message -
> From: Gioh Kim
> To: Pintu Kumar ; a...@linux-foundation.org;
han...@cmpxchg.org; r...@redhat.com; mgor...@suse.de;
vdavy...@parallels.com; nasa4...@gmail.com; ddstr...@ieee.org;
m.szyprow...@samsung.com; min...@mina86.com; iamjoonsoo@lge.com; anee
12MB single CMA region.
Before this change:
Memory: 458840k/458840k available, 65448k reserved, 0K highmem
After this change:
Memory: 458840k/458840k available, 53160k reserved, 12288k cma-reserved, 0K
highmem
Signed-off-by: Pintu Kumar
Signed-off-by: Vishnu Pratap Singh
---
v2: Moved
0 warnings, 2 checks, 236 lines checked
Signed-off-by: Pintu Kumar
Signed-off-by: Vishnu Pratap Singh
---
fs/proc/meminfo.c | 15 +--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index aa1eee0..d3ebf2e 100644
--- a/fs/proc/me
> -Original Message-
> From: David Rientjes [mailto:rient...@google.com]
> Sent: Tuesday, November 04, 2014 5:27 AM
> To: Pintu Kumar
> Cc: a...@linux-foundation.org; r...@redhat.com; aqu...@redhat.com;
> paul.gortma...@windriver.com; jmarc...@redhat.com;
> l
This patch replaces printk(KERN_ERR..) with pr_err found
under shrink_slab.
Thus it also reduces one line extra because of formatting.
Signed-off-by: Pintu Kumar
---
mm/vmscan.c |3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index dcb4707
This patch replaces printk(KERN_WARNING..) with pr_warn.
Thus it also reduces one line extra because of formatting.
Signed-off-by: Pintu Kumar
---
mm/vmalloc.c |3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 90520af..8a18196 100644
hard-coded value with PAGE_ALLOC_COSTLY_ORDER
which is defined as 3.
This will help mapping the higher order request in system heap with
the actual allocation request.
Signed-off-by: Pintu Kumar
---
drivers/staging/android/ion/ion_system_heap.c |4 ++--
1 file changed, 2 insertions(+), 2
Hi,
>
> From: Laura Abbott
>To: Heesub Shin ; Pintu Kumar ;
>a...@linux-foundation.org; gre...@linuxfoundation.org; john.stu...@linaro.org;
>rebe...@android.com; ccr...@android.com; de...@driverdev.osuosl.org;
>linux-kernel@vger.kern
om" ;
> "de...@driverdev.osuosl.org" ;
> "linux-kernel@vger.kernel.org" ; IQBAL SHAREEF
> ; "pintu_agar...@yahoo.com" ;
> Vishnu Pratap Singh ; "c...@samsung.com"
>
> Sent: Monday, 6 October 2014 11:01 PM
> Subject: Re: Re: [PATCH 1/1
Hi,
- Original Message -
> From: Gioh Kim
> To: Pintu Kumar ; a...@linux-foundation.org;
r...@redhat.com; aqu...@redhat.com; paul.gortma...@windriver.com;
jmarc...@redhat.com; lcapitul...@redhat.com;
kirill.shute...@linux.intel.com; m.szyprow...@samsung.com;
ane
- Original Message -
> From: Michal Nazarewicz
> To: Pintu Kumar ; a...@linux-foundation.org;
> r...@redhat.com; pint...@samsung.com; aqu...@redhat.com;
> paul.gortma...@windriver.com; jmarc...@redhat.com; lcapitul...@redhat.com;
> kirill.shute...@linux.intel
- Original Message -
> From: Gioh Kim
> To: PINTU KUMAR ; a...@linux-foundation.org;
r...@redhat.com; aqu...@redhat.com; paul.gortma...@windriver.com;
jmarc...@redhat.com; lcapitul...@redhat.com;
kirill.shute...@linux.intel.com; m.szyprow...@samsung.com;
aneesh.ku...@linux.vnet.i
Hi,
Today, I got came across the below kernel panic, when device was idle.
As per the analysis the crash is happening in: sched/fair.c: tg_load_down: load
= tg->parent->cfs_rq[cpu]->h_load;
The backtrace says: tg->parent = 0x0, which is strange.
If anybody knows about any fixes for this, please l
ERNATION */
> -Original Message-
> From: Mel Gorman [mailto:mgor...@suse.de]
> Sent: Monday, July 20, 2015 11:26 PM
> To: PINTU KUMAR
> Cc: a...@linux-foundation.org; cor...@lwn.net; vba...@suse.cz;
> gorcu...@openvz.org; mho...@suse.cz; emun...@akamai.com;
> kirill.shute...@linux.int
Sorry, for late reply.
> -Original Message-
> From: Mel Gorman [mailto:mgor...@suse.de]
> Sent: Wednesday, July 22, 2015 7:36 PM
> To: PINTU KUMAR
> Cc: a...@linux-foundation.org; cor...@lwn.net; vba...@suse.cz;
> gorcu...@openvz.org; mho...@suse.cz; emun...@akamai.c
erforming direct reclaim/compaction.
That means the remaining 206 times the allocation would have succeeded
using the alloc_pages_high_priority.
Signed-off-by: Pintu Kumar
---
include/linux/vm_event_item.h |2 +-
mm/page_alloc.c |2 ++
mm/vmstat.c |2 +-
Hi,
> -Original Message-
> From: Michal Hocko [mailto:mho...@kernel.org]
> Sent: Friday, August 07, 2015 1:14 PM
> To: Pintu Kumar
> Cc: a...@linux-foundation.org; linux-kernel@vger.kernel.org; linux-
> m...@kvack.org; minc...@kernel.org; d...@stgolabs.net; koc...
system is idle.
There could be other use cases.
Signed-off-by: Pintu Kumar
---
include/linux/compaction.h |2 +-
mm/compaction.c|2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index aa8f61c..800ff50
Hi,
> -Original Message-
> From: Andrew Morton [mailto:a...@linux-foundation.org]
> Sent: Saturday, August 08, 2015 4:06 AM
> To: PINTU KUMAR
> Cc: 'Michal Hocko'; linux-kernel@vger.kernel.org; linux...@kvack.org;
> minc...@kernel.org; d...@stgolabs.n
10) This may also help in reducing fragmentation within CMA region.
11) More use cases can be identified.
Most importantly, it can be more effective when applied intelligently, based
on certain conditions.
It should be executed always and the decision is left upto the user.
Signed-off-by: Pintu Kum
Sorry, correcting a small typo error below.
Please review and provide your comments.
This is the version2 of the previous patch.
> -Original Message-
> From: Pintu Kumar [mailto:pint...@samsung.com]
> Sent: Friday, July 17, 2015 12:00 PM
> To: a...@linux-foundation.org; co
may also help in reducing fragmentation within CMA region.
11) More use cases can be identified.
Most importantly, it can be more effective when applied intelligently, based
on certain conditions.
It should not be executed always and the decision is left upto the user.
Signed-off-by: Pintu Kumar
-
.
But in embedded world, hibernation is not used, so this feature cannot be
utilized.
Thanks once again for the review and feedback.
> -Original Message-
> From: Mel Gorman [mailto:mgor...@suse.de]
> Sent: Monday, July 20, 2015 1:58 PM
> To: Pintu Kumar
> Cc: a...@linux-foun
12MB single CMA region.
Before this change:
Memory: 458840k/458840k available, 65448k reserved, 0K highmem
After this change:
Memory: 458840k/458840k available, 53160k reserved, 12288k cma-reserved, 0K
highmem
Signed-off-by: Pintu Kumar
Signed-off-by: Vishnu Pratap Singh
---
include/linux
Hi,
Thank you very much for your reply and comments.
> -Original Message-
> From: Michal Hocko [mailto:mho...@kernel.org]
> Sent: Thursday, October 08, 2015 7:49 PM
> To: PINTU KUMAR
> Cc: a...@linux-foundation.org; minc...@kernel.org; d...@stgolabs.net;
> koc..
> -Original Message-
> From: Michal Hocko [mailto:mho...@kernel.org]
> Sent: Thursday, October 08, 2015 10:01 PM
> To: PINTU KUMAR
> Cc: a...@linux-foundation.org; minc...@kernel.org; d...@stgolabs.net;
> koc...@gmail.com; rient...@google.com; han...@cmpxchg.org; p
(ret)
> > - goto err;
> > }
> >
> > buffer->dev = dev;
> > @@ -261,9 +258,8 @@ static struct ion_buffer *ion_buffer_create(struct
> > ion_heap *heap,
> >
> > err:
> > heap->ops->unmap_dma(heap, buffer);
>
Hi All,
Board: Hikey620 ARM64
Kernel: 4.9.20
I am trying to verify KSM (Kernel Same Page Merging) functionality on
4.9 Kernel using "mmap" and madvise user space test utility.
But to my observation, it seems KSM is not working for me.
CONFIG_KSM=y is enabled in kernel.
ksm_init is also called dur
On Fri, 14 Sep 2018, 10:42 pm Yang Shi, wrote:
>
> Hi Pintu,
>
> I recall there are some ksm test cases in LTP. Did you try them out?
No. I haven't seen the LTP test. I will check out now.
But I wonder what is the problem with my test?
> On Fri, Sep 14, 2018 at 7:28 A
ed ?
What can I interpret from this?
And, what does it mean by: pages_volatile:1 ?
Basically, I wanted to understand, is there any problem with the above
output, or it is fine.
If it is fine, how to prove it?
Thanks,
Pintu
On Mon, Sep 17, 2018 at 8:29 PM Mike Rapoport wrote:
>
> On Mon,
l I am not familiar with this.
So, I need your help.
Thank You!
Regards,
Pintu
On Thu, May 17, 2018 at 6:58 PM, Pintu Kumar wrote:
> On Mon, May 14, 2018 at 7:58 PM, Pintu Kumar wrote:
>>
>> On Mon, May 14, 2018 at 6:41 PM, Lucas Stach wrote:
>> > Am Montag, den 14.0
On Thu, Mar 8, 2018 at 7:18 PM, Anders Roxell wrote:
> gcc warns that 'heap_type' is not initialized if we don't come through
> any of the two 'case' statesments before:
>
OK thanks for your patch.
> ionapp_export.c:91:2: warning: ‘heap_type’ may be used uninitialized in
> this function [-Wmaybe
On Sat, May 5, 2018 at 6:43 AM, Shuah Khan (Samsung OSG)
wrote:
> When ion test is skipped because of unmet dependencies and/or unsupported
> configuration, it returns 0 which is treated as a pass by the Kselftest
> framework. This leads to false positive result even when the test could
> not be r
Hi,
> -Original Message-
> From: Pavel Machek [mailto:pa...@ucw.cz]
> Sent: Saturday, August 06, 2016 2:20 AM
> To: PINTU KUMAR
> Cc: 'Minchan Kim'; linux-kernel@vger.kernel.org; linux...@kvack.org;
> jaejoon@samsung.com; jy0.j...@samsung.com; vishnu.
Hi,
> -Original Message-
> From: vinayak menon [mailto:vinayakm.l...@gmail.com]
> Sent: Thursday, August 11, 2016 10:23 AM
> To: PINTU KUMAR
> Cc: Pavel Machek; Konstantin Khlebnikov; Minchan Kim; linux-
> ker...@vger.kernel.org; linux...@kvack.org; jaejoon@sa
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