pot_start 677 drivers/video/fbdev/hyperv_fb.c resource_size_t pot_start, pot_end; pot_start 681 drivers/video/fbdev/hyperv_fb.c pot_start = 0; pot_start 696 drivers/video/fbdev/hyperv_fb.c pot_start = pot_end - screen_fb_size + 1; pot_start 699 drivers/video/fbdev/hyperv_fb.c ret = vmbus_allocate_mmio(&par->mem, hdev, pot_start, pot_end,