Em 22-06-2011 16:32, hvaib...@ti.com escreveu:
> The following changes since commit af0d6a0a3a30946f7df69c764791f1b0643f7cd6:
> Linus Torvalds (1):
> Merge branch 'x86-urgent-for-linus' of
> git://git.kernel.org/.../tip/linux-2.6-tip
>
> are available in the git repository at:
>
> git://arago-project.org/git/people/vaibhav/ti-psp-omap-video.git
> for-linux-media
>
> Amber Jain (2):
> V4L2: omap_vout: Remove GFP_DMA allocation as ZONE_DMA is not
> configured on OMAP
> OMAP2: V4L2: Remove GFP_DMA allocation as ZONE_DMA is not configured on
> OMAP
> From: Amber Jain <am...@ti.com>
> Date: Tue May 31 11:45:36 2011 -0300
>
> OMAP2: V4L2: Remove GFP_DMA allocation as ZONE_DMA is not configured on OMAP
>
> Remove GFP_DMA from the __get_free_pages() call from omap24xxcam as ZONE_DMA
> is not configured on OMAP. Earlier the page allocator used to return a page
> from ZONE_NORMAL even when GFP_DMA is passed and CONFIG_ZONE_DMA is disabled.
> As a result of commit a197b59ae6e8bee56fcef37ea2482dc08414e2ac, page allocator
> returns null in such a scenario with a warning emitted to kernel log.
>
> Signed-off-by: Amber Jain <am...@ti.com>
> Acked-by: Sakari Ailus <sakari.ai...@iki.fi>
> Signed-off-by: Vaibhav Hiremath <hvaib...@ti.com>
>
> diff --git a/drivers/media/video/omap24xxcam.c
> b/drivers/media/video/omap24xxcam.c
> index f6626e8..d92d4c6 100644
> --- a/drivers/media/video/omap24xxcam.c
> +++ b/drivers/media/video/omap24xxcam.c
> @@ -309,11 +309,11 @@ static int omap24xxcam_vbq_alloc_mmap_buffer(struct
> videobuf_buffer *vb)
> order--;
>
> /* try to allocate as many contiguous pages as possible */
> - page = alloc_pages(GFP_KERNEL | GFP_DMA, order);
> + page = alloc_pages(GFP_KERNEL, order);
> /* if allocation fails, try to allocate smaller amount */
> while (page == NULL) {
> order--;
> - page = alloc_pages(GFP_KERNEL | GFP_DMA, order);
> + page = alloc_pages(GFP_KERNEL, order);
> if (page == NULL && !order) {
> err = -ENOMEM;
> goto out;
Hmm... the proper fix wouldn't be to define ZONE_DMA at OMAP?
Thanks,
Mauro
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