On Thu, Feb 08, 2018 at 09:56:42AM -0800, Laura Abbott wrote: > > +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c > > @@ -77,7 +77,7 @@ static struct scatterlist > > *videobuf_vmalloc_to_sg(unsigned char *virt, > > pg = vmalloc_to_page(virt); > > if (NULL == pg) > > goto err; > > - BUG_ON(PageHighMem(pg)); > > + BUG_ON(page_to_pfn(pg) >= (1 << (32 - PAGE_SHIFT))); > > sg_set_page(&sglist[i], pg, PAGE_SIZE, 0); > > } > > return sglist; > > > > the vzalloc in this function needs to be switched to vmalloc32 if it > actually wants to guarantee 32-bit memory.
Whoops, you got confused between the sglist allocation and the allocation of the pages which will be mapped ...
