Proposed new kernel noncaching memory allocator for the 405gp
Ralph Blach
rblach at intrex.net
Fri Mar 23 07:57:42 EST 2001
Frank,
Yes, but these allocate on a page boundry and I was thinking of something a
little more granular.
Any objections?
Chip
Frank Rowand wrote:
> Ralph Blach wrote:
> >
>
> >
> > David Blythe wrote:
>
> > > I think something more general then pci_alloc_consistent would be
> > better
> > > for devices that are not pci based. We are still working on getting a
> >
> > > pci OHCI usb to work with the walnut card and are running into a lot
> > of
> > > cache coherency problems.
>
> Dan Malek has provided the functions consistent_alloc(), consistent_free(),
> and consistent_sync() for uses other than PCI. They are in linuxppc_2_5
> rev 1.446 and later (I'm not sure if they are in any earlier version).
> They are also in my active development kernel, but not yet in any kernel
> that I have put on my ftp site.
>
> -Frank
> --
> Frank Rowand <frank_rowand at mvista.com>
> MontaVista Software, Inc
--
Ralph "Chip" Blach
KF4WBK
Chapel Hill, North Carolina
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