Messages in this thread | | | Subject | Re: [PATCH v1 ] ALSA: core: memalloc: add page alignment for iram | From | Lars-Peter Clausen <> | Date | Thu, 17 Dec 2020 10:43:45 +0100 |
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On 12/17/20 5:15 PM, Robin Gong wrote: > 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. > I wonder, do we also have to align size to be a multiple of PAGE_SIZE to avoid leaking unrelated data?
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