On Mon, Sep 30, 2019 at 1:14 AM Hillf Danton wrote:
> On Fri, 6 Sep 2019 18:47:09 + John Stultz wrote:
> >
> > + cma_pages = cma_alloc(cma_heap->cma, nr_pages, align, false);
> > + if (!cma_pages)
> > + goto free_buf;
> > +
> > + if (PageHighMem(cma_pages)) {
> > +
On Fri, 6 Sep 2019 18:47:09 + John Stultz wrote:
>
> + cma_pages = cma_alloc(cma_heap->cma, nr_pages, align, false);
> + if (!cma_pages)
> + goto free_buf;
> +
> + if (PageHighMem(cma_pages)) {
> + unsigned long nr_clear_pages = nr_pages;
> +
Hi John,
I spotted one thing below which might be harmless, but best to check.
On Fri, Sep 06, 2019 at 06:47:11PM +, John Stultz wrote:
> This adds a CMA heap, which allows userspace to allocate
> a dma-buf of contiguous memory out of a CMA region.
>
> This code is an evolution of the
This adds a CMA heap, which allows userspace to allocate
a dma-buf of contiguous memory out of a CMA region.
This code is an evolution of the Android ION implementation, so
thanks to its original author and maintainters:
Benjamin Gaignard, Laura Abbott, and others!
Cc: Laura Abbott
Cc:
This adds a CMA heap, which allows userspace to allocate
a dma-buf of contiguous memory out of a CMA region.
This code is an evolution of the Android ION implementation, so
thanks to its original author and maintainters:
Benjamin Gaignard, Laura Abbott, and others!
Cc: Laura Abbott
Cc:
