On Wed, Sep 21, 2011 at 7:41 AM, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: >> I'm not entirely sure what will happen w/ dma_alloc_coherent, etc, if >> the global CMA pool is exhausted. >> >> Marek? I guess you know what would happen? > > The allocation will simply fail and dma_alloc_coherent will return NULL. > Ok, so we should probably setup device private pools so that userspace cannot allocate so much buffer memory that dma_alloc_coherent fails for other devices.. This is what I've done so far for omapdrm driver, although it is part of the other patch that adds the platform-device.. Thx BR, -R _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
