On Fri, 2010-07-30 at 19:39 +0800, Figo.zhang wrote:
> On Fri, 2010-07-30 at 11:31 +0200, Laurent Pinchart wrote:
> > Hi,
> >
> > On Friday 30 July 2010 02:08:02 Figo.zhang wrote:
> > > a mmap issue for videobuf-dma-sg: it will alloc a new page for mmaping
> > > when
> > > it encounter page fault
On Fri, 2010-07-30 at 11:31 +0200, Laurent Pinchart wrote:
> Hi,
>
> On Friday 30 July 2010 02:08:02 Figo.zhang wrote:
> > a mmap issue for videobuf-dma-sg: it will alloc a new page for mmaping when
> > it encounter page fault at video_vm_ops->fault(). pls see
> > http://www.spinics.net/lists/linu
On Fri, 2010-07-30 at 11:31 +0200, Laurent Pinchart wrote:
> Hi,
>
> On Friday 30 July 2010 02:08:02 Figo.zhang wrote:
> > a mmap issue for videobuf-dma-sg: it will alloc a new page for mmaping when
> > it encounter page fault at video_vm_ops->fault(). pls see
> > http://www.spinics.net/lists/linu
Hi,
On Friday 30 July 2010 02:08:02 Figo.zhang wrote:
> a mmap issue for videobuf-dma-sg: it will alloc a new page for mmaping when
> it encounter page fault at video_vm_ops->fault(). pls see
> http://www.spinics.net/lists/linux-media/msg21243.html
>
> a new implementation for mmap, it translate
a mmap issue for videobuf-dma-sg: it will alloc a new page for mmaping when it
encounter
page fault at video_vm_ops->fault(). pls see
http://www.spinics.net/lists/linux-media/msg21243.html
a new implementation for mmap, it translate to vmalloc to page at
video_vm_ops->fault().
in v2, if mem->d