Hi Mauro,
-Original Message-
From: Mauro Carvalho Chehab [mailto:mche...@redhat.com]
Sent: Monday, December 20, 2010 5:23 AM
To: Aguirre, Sergio
Cc: linux-media@vger.kernel.org; Warren, Christina; Boateng, Akwasi;
Russell King
Subject: Re: [Query][videobuf-dma-sg] Pages in Highmem
Hi Sergio,
Em 27-08-2010 11:57, Aguirre, Sergio escreveu:
Hi,
I see that in current videobuf library, for DMA SG code, these functions fail
when
Detecting a page in Highmem region:
- videobuf_pages_to_sg
- videobuf_vmalloc_to_sg
Now, what's the real reason to not allow handling of
Hi,
I see that in current videobuf library, for DMA SG code, these functions fail
when
Detecting a page in Highmem region:
- videobuf_pages_to_sg
- videobuf_vmalloc_to_sg
Now, what's the real reason to not allow handling of Highmem pages?
Is it an assumption that _always_ HighMem is not
