From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 18 Jan 2010 13:58:57 +0000 (+0100)
Subject: ALSA: pcm - Call pgprot_noncached() for vmalloc'ed buffers
X-Git-Tag: v2.6.34-rc1~243^2~2^2~13^2~11^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c32d977b8157bf67cdf47729ce7dd054a26eb534;p=pandora-kernel.git

ALSA: pcm - Call pgprot_noncached() for vmalloc'ed buffers

pgprot_noncached() can be set for vmalloc'ed buffers safely, and we'd
need non-cached behavior more or less, even for the intermediate ring-
buffers.

Now snd_pcm_lib_mmap_vmalloc() is added as the common PCM mmap callback
that is coupled with snd_pcm_lib_alloc_vmalloc_buffer() & co.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
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