ALSA: core: memalloc: add page alignment for iram

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Since mmap for userspace is based on page alignment, add page alignment
for iram alloc from pool, otherwise, some good data located in the same
page of dmab->area maybe touched wrongly by userspace like pulseaudio.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1608221747-3474-1-git-send-email-yibin.gong@nxp.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Robin Gong 2020-12-18 00:15:47 +08:00 • committed by Takashi Iwai

parent 150927c367

commit 74c64efa15

1 changed files with 2 additions and 1 deletions

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sound/core/memalloc.c

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