On Thu, 21 Dec 2023 14:51:29 +
David Laight wrote:
> > I think 1kb units is perfectly fine (patch 15 changes to kb units). The
> > interface says its to define the minimal size of the sub-buffer, not the
> > actual size.
>
> I didn't read that far through :-(
>
Well, this isn't a normal
> I think 1kb units is perfectly fine (patch 15 changes to kb units). The
> interface says its to define the minimal size of the sub-buffer, not the
> actual size.
I didn't read that far through :-(
David
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Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT,
U
On Thu, 21 Dec 2023 09:17:55 +
David Laight wrote:
> > Unfortunately, it has to be PAGE_SIZE (and for now it's a power of 2 to
> > make masking easy). It's used for splice and will also be used for memory
> > mapping with user space.
>
> Perhaps then the sysctl to set the size should be po
From: Steven Rostedt
> Sent: 20 December 2023 13:01
>
> On Wed, 20 Dec 2023 08:48:02 +
> David Laight wrote:
>
> > From: Steven Rostedt
> > > Sent: 19 December 2023 18:54
> > > From: "Tzvetomir Stoyanov (VMware)"
> > >
> > > Currently the size of one sub buffer page is global for all buffer
On Wed, 20 Dec 2023 08:48:02 +
David Laight wrote:
> From: Steven Rostedt
> > Sent: 19 December 2023 18:54
> > From: "Tzvetomir Stoyanov (VMware)"
> >
> > Currently the size of one sub buffer page is global for all buffers and
> > it is hard coded to one system page. In order to introduce c
From: Steven Rostedt
> Sent: 19 December 2023 18:54
> From: "Tzvetomir Stoyanov (VMware)"
>
> Currently the size of one sub buffer page is global for all buffers and
> it is hard coded to one system page. In order to introduce configurable
> ring buffer sub page size, the internal logic should be
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