prev_pfn 163 drivers/media/v4l2-core/videobuf-dma-contig.c unsigned long prev_pfn, this_pfn; prev_pfn 182 drivers/media/v4l2-core/videobuf-dma-contig.c prev_pfn = 0; /* kill warning */ prev_pfn 192 drivers/media/v4l2-core/videobuf-dma-contig.c else if (this_pfn != (prev_pfn + 1)) prev_pfn 198 drivers/media/v4l2-core/videobuf-dma-contig.c prev_pfn = this_pfn;