Re: [PATCH] snd-hda-intel: fix insufficient memory

[Andrew Morton <akpm@osdl.org>]

On Tue, 21 Nov 2006 21:33:29 +0100
wbrana@gmail.com wrote:

> Module allocates insufficient memory for multichannel and high quality
> audio (96 kHz, 24 bit)
> Patch for 2.6.19-* changes default/maximal size from 64/128 to 256/4096 kB.
> 
> --- sound/pci/hda/hda_intel.c.orig      2006-09-29 13:40:36.000000000 +0200
> +++ sound/pci/hda/hda_intel.c   2006-11-05 16:45:13.000000000 +0100
> @@ -1270,5 +1270,5 @@
>         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
>                                               snd_dma_pci_data(chip->pci),
> -                                             1024 * 64, 1024 * 128);
> +                                             1024 * 256, 1024 * 4096);
>         chip->pcm[pcm_dev] = pcm;
>         if (chip->pcm_devs < pcm_dev + 1)

This was recently increased, but not by such a large amount:

	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
					      snd_dma_pci_data(chip->pci),
					      1024 * 64, 1024 * 1024);

is that sufficient?
-
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