On Mon, 21 May 2007, Martin Drab wrote:
> On Tue, 13 Mar 2007, Hugh Dickins wrote:
> > On Fri, 9 Mar 2007, Martin Drab wrote:
> >
> > Hi Martin, sorry for joining so late.
>
> Hi, Hugh, this time I'm sorry for responding sooo late.
Ditto.
And preface: I'm a lousy person to be advising on driver
On Tue, 13 Mar 2007, Hugh Dickins wrote:
> On Fri, 9 Mar 2007, Martin Drab wrote:
> > On Fri, 9 Mar 2007, Martin Drab wrote:
> > > On Thu, 8 Mar 2007, Martin Drab wrote:
> > > > On Thu, 8 Mar 2007, Carsten Otte wrote:
> > > > > On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote:
> > > > > >
> > > >
On Fri, 9 Mar 2007, Martin Drab wrote:
> On Fri, 9 Mar 2007, Martin Drab wrote:
> > On Thu, 8 Mar 2007, Martin Drab wrote:
> > > On Thu, 8 Mar 2007, Carsten Otte wrote:
> > > > On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote:
> > > > >
> > > > > The thing is that I'd like to prevent kernel to swa
On Fri, 9 Mar 2007, Martin Drab wrote:
> On Thu, 8 Mar 2007, Martin Drab wrote:
>
> > On Thu, 8 Mar 2007, Carsten Otte wrote:
> >
> > > On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote:
> > > >
> > > > The thing is that I'd like to prevent kernel to swap these pages out,
> > > > because then I
On Thu, 8 Mar 2007, Robert Hancock wrote:
> Martin Drab wrote:
> > Hi,
> >
> > I'm writing a driver for a sampling device that is constantly delivering a
> > relatively high amount of data (about 16 MB/s) and I need to deliver the
> > data to the user-space ASAP. To prevent data loss I create a q
On Thu, 8 Mar 2007, Jeremy Fitzhardinge wrote:
> Martin Drab wrote:
> > Hi,
> >
> > I'm writing a driver for a sampling device that is constantly delivering a
> > relatively high amount of data (about 16 MB/s) and I need to deliver the
> > data to the user-space ASAP. To prevent data loss I crea
Martin Drab wrote:
Hi,
I'm writing a driver for a sampling device that is constantly delivering a
relatively high amount of data (about 16 MB/s) and I need to deliver the
data to the user-space ASAP. To prevent data loss I create a queue of
buffers (consisting of few pages each) which are mor
Martin Drab wrote:
> Hi,
>
> I'm writing a driver for a sampling device that is constantly delivering a
> relatively high amount of data (about 16 MB/s) and I need to deliver the
> data to the user-space ASAP. To prevent data loss I create a queue of
> buffers (consisting of few pages each) whic
On Thu, 8 Mar 2007, Martin Drab wrote:
> On Thu, 8 Mar 2007, Carsten Otte wrote:
>
> > On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote:
> > >
> > > The thing is that I'd like to prevent kernel to swap these pages out,
> > > because then I may loose some data when they are not available in time
On Thu, 8 Mar 2007, Martin Drab wrote:
> Hi,
>
> I'm writing a driver for a sampling device that is constantly delivering a
> relatively high amount of data (about 16 MB/s) and I need to deliver the
> data to the user-space ASAP. To prevent data loss I create a queue of
> buffers (consisting o
On Thu, 8 Mar 2007, Carsten Otte wrote:
> On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote:
> >
> > The thing is that I'd like to prevent kernel to swap these pages out,
> > because then I may loose some data when they are not available in time
> > for the next round.
>
> One think you could do
On 3/8/07, Martin Drab <[EMAIL PROTECTED]> wrote:
The thing is that I'd like to prevent kernel to swap these pages out,
because then I may loose some data when they are not available in time
for the next round.
One think you could do is grab a reference to the pages upfront. When
you stop pushi
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