RE: [PATCH 1/3 v2] media: Add a cached version of the contiguous videobuffers

From: Pawel Osciak
Date: Wed Aug 04 2010 - 03:57:08 EST

Hi Richard,

>Richard RÃjfors wrote:
>This patch adds another init functions in the videobuf-dma-contig
>which is named _cached in the end. It creates a buffer factory
>which allocates buffers using kmalloc and the buffers are cached.

Before I review this in more detail, could you elaborate more on
this? How large are your buffers, can kmalloc really allocate them
for you? I am not convinced how this is supposed to work reliably,
especially in a long-running systems.

Best regards
Pawel Osciak
Linux Platform Group
Samsung Poland R&D Center

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