On Tue, Sep 27, 2011 at 11:56 PM, Prateek Sharma wrote:
> On Tue, Sep 27, 2011 at 11:42 PM, Mulyadi Santosa
> wrote:
> > Hi :)
> >
> > On Wed, Sep 28, 2011 at 00:14, Prateek Sharma
> wrote:
> >> Hello everyone,
> >> I am trying to understand the kernel page frame reclaiming
> >> mechanism, but
Hi!
On 21:41 Tue 27 Sep , Venkatram Tummala wrote:
> On Tue, Sep 27, 2011 at 9:19 PM, rohan puri wrote:
...
> > in device_open() ->
> >
> > if(var)
> > return -EBUSY
> > var++
> >
> > &
> >
> > in device_release() ->
> >
> > var--
> >
> >
> > I think this should do the job.
> >
> This w
On Wed, Sep 28, 2011 at 10:11 AM, Venkatram Tummala
wrote:
> On Tue, Sep 27, 2011 at 9:19 PM, rohan puri wrote:
>
>>
>>
>> On Wed, Sep 28, 2011 at 6:17 AM, Venkatram Tummala <
>> venkatram...@gmail.com> wrote:
>>
>>> On Tue, Sep 27, 2011 at 5:40 PM, Jeff Haran wrote:
>>>
From: kerne
On Tue, Sep 27, 2011 at 9:19 PM, rohan puri wrote:
>
>
> On Wed, Sep 28, 2011 at 6:17 AM, Venkatram Tummala > wrote:
>
>> On Tue, Sep 27, 2011 at 5:40 PM, Jeff Haran wrote:
>>
>>>
>>>
>>> From: kernelnewbies-boun...@kernelnewbies.org
>>> [mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf
On Wed, Sep 28, 2011 at 6:17 AM, Venkatram Tummala
wrote:
> On Tue, Sep 27, 2011 at 5:40 PM, Jeff Haran wrote:
>
>>
>>
>> From: kernelnewbies-boun...@kernelnewbies.org
>> [mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Venkatram
>> Tummala
>> Sent: Tuesday, September 27, 2011 5:31 P
Hi,
On Wed, Sep 28, 2011 at 6:41 AM, scott wrote:
> I compiled a 3.0.0-rc7 kernel. Everything went smoothly except it
> doesn't show in the grub menu even after doing sudo update-grub. I see
> the kernel in /boot/grub/grub.cfg. Everything appears right with the
> UUID's and all. I noticed in /boo
I compiled a 3.0.0-rc7 kernel. Everything went smoothly except it
doesn't show in the grub menu even after doing sudo update-grub. I see
the kernel in /boot/grub/grub.cfg. Everything appears right with the
UUID's and all. I noticed in /boot it doesn't list the abi-3.0-rc7.
System-map initrd-img
On Tue, Sep 27, 2011 at 5:40 PM, Jeff Haran wrote:
>
>
> From: kernelnewbies-boun...@kernelnewbies.org
> [mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Venkatram
> Tummala
> Sent: Tuesday, September 27, 2011 5:31 PM
> To: Mulyadi Santosa
> Cc: kernelnewbies
> Subject: Re: Prevent a
From: kernelnewbies-boun...@kernelnewbies.org
[mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Venkatram
Tummala
Sent: Tuesday, September 27, 2011 5:31 PM
To: Mulyadi Santosa
Cc: kernelnewbies
Subject: Re: Prevent a process from opening a file more than once
On Tue, Sep 27, 2011 at
On Wed, Sep 28, 2011 at 07:30, Venkatram Tummala wrote:
> On Tue, Sep 27, 2011 at 5:22 PM, Mulyadi Santosa
> wrote:
>>
>> Hi :)
>>
>> On Wed, Sep 28, 2011 at 06:56, Venkatram Tummala
>> wrote:
>> > Hi All,
>> > I have a simple device driver which creates a /dev/XYZ file. I need to
>> > prevent a
On Tue, Sep 27, 2011 at 5:22 PM, Mulyadi Santosa
wrote:
> Hi :)
>
> On Wed, Sep 28, 2011 at 06:56, Venkatram Tummala
> wrote:
> > Hi All,
> > I have a simple device driver which creates a /dev/XYZ file. I need to
> > prevent a process from opening the file more than once. However, multiple
> > pr
Hi :)
On Wed, Sep 28, 2011 at 06:56, Venkatram Tummala wrote:
> Hi All,
> I have a simple device driver which creates a /dev/XYZ file. I need to
> prevent a process from opening the file more than once. However, multiple
> processes can open the file simultaneously. Is there any any elegant way t
Hi All,
I have a simple device driver which creates a /dev/XYZ file. I need to
prevent a process from opening the file more than once. However, multiple
processes can open the file simultaneously. Is there any any elegant way to
do this other than checking all opened files in the process ?
___
On Tue, Sep 27, 2011 at 11:42 PM, Mulyadi Santosa
wrote:
> Hi :)
>
> On Wed, Sep 28, 2011 at 00:14, Prateek Sharma wrote:
>> Hello everyone,
>> I am trying to understand the kernel page frame reclaiming
>> mechanism, but one thing's bothering me:
>> How does the kernel 'know' which anonymous pag
Hi :)
On Wed, Sep 28, 2011 at 00:14, Prateek Sharma wrote:
> Hello everyone,
> I am trying to understand the kernel page frame reclaiming
> mechanism, but one thing's bothering me:
> How does the kernel 'know' which anonymous pages to evict? In the LRU
> scheme, 'referenced/used' information fo
Hello everyone,
I am trying to understand the kernel page frame reclaiming
mechanism, but one thing's bothering me:
How does the kernel 'know' which anonymous pages to evict? In the LRU
scheme, 'referenced/used' information for each page is required
(AFAIK). But anonymous pages can be used by us
Hi :)
On Tue, Sep 27, 2011 at 20:06, Parmenides wrote:
> Initially, I think that the scheduler should enlarge the timeslices of
> CPU-bound processes to improve throughput.
True :)
>But, now I have realized
> that the two goals of schedulers, namely shorter latency and higher
> throughput,
Hi, Mulyadi
2011/9/27 Mulyadi Santosa :
> simply to say that, the more important a job is, it should be given
> longer time to run... but, the process has privilege to yield before
> time slice is up...and when it comes back,it will use the remaining
> time slice.and its dynamic priority will
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