tree: https://github.com/Kwiboo/linux-rockchip rockchip-5.1-v4l2-from-5.3-v5.1.5 head: 478d6e4e03edc3c39e4e9096777533a65b2714d6 commit: d86645f8d79fcc8209e0ec9367a9170e51900938 [77/88] videobuf2/videobuf2-dma-sg.c: convert to use vm_map_pages() config: x86_64-randconfig-i1-05231812 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: git checkout d86645f8d79fcc8209e0ec9367a9170e51900938 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/media/common/videobuf2/videobuf2-dma-sg.c: In function 'vb2_dma_sg_mmap': >> drivers/media/common/videobuf2/videobuf2-dma-sg.c:338:8: error: implicit declaration of function 'vm_map_pages' [-Werror=implicit-function-declaration] err = vm_map_pages(vma, buf->pages, buf->num_pages); ^~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/vm_map_pages +338 drivers/media/common/videobuf2/videobuf2-dma-sg.c 327 328 static int vb2_dma_sg_mmap(void *buf_priv, struct vm_area_struct *vma) 329 { 330 struct vb2_dma_sg_buf *buf = buf_priv; 331 int err; 332 333 if (!buf) { 334 printk(KERN_ERR "No memory to map\n"); 335 return -EINVAL; 336 } 337 > 338 err = vm_map_pages(vma, buf->pages, buf->num_pages); 339 if (err) { 340 printk(KERN_ERR "Remapping memory, error: %d\n", err); 341 return err; 342 } 343 344 /* 345 * Use common vm_area operations to track buffer refcount. 346 */ 347 vma->vm_private_data = &buf->handler; 348 vma->vm_ops = &vb2_common_vm_ops; 349 350 vma->vm_ops->open(vma); 351 352 return 0; 353 } 354 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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