Hi Christian, I love your patch! Yet something to improve: [auto build test ERROR on drm/drm-next] [also build test ERROR on v4.15-rc2 next-20171206] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Christian-K-nig/drm-ttm-swap-consecutive-allocated-pooled-pages-v4/20171206-191635 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: i386-randconfig-x014-201749 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/gpu//drm/ttm/ttm_page_alloc.c: In function 'ttm_get_pages': >> drivers/gpu//drm/ttm/ttm_page_alloc.c:924:2: error: 'first' undeclared (first use in this function) first = count; ^~~~~ drivers/gpu//drm/ttm/ttm_page_alloc.c:924:2: note: each undeclared identifier is reported only once for each function it appears in vim +/first +924 drivers/gpu//drm/ttm/ttm_page_alloc.c 919 920 INIT_LIST_HEAD(&plist); 921 r = ttm_page_pool_get_pages(pool, &plist, flags, cstate, 922 npages - count, 0); 923 > 924 first = count; 925 list_for_each_entry(p, &plist, lru) { 926 struct page *tmp = p; 927 928 /* Swap the pages if we detect consecutive order */ 929 if (count > first && pages[count - 1] == tmp - 1) 930 swap(tmp, pages[count - 1]); 931 pages[count++] = tmp; 932 } 933 934 if (r) { 935 /* If there is any pages in the list put them back to 936 * the pool. 937 */ 938 pr_debug("Failed to allocate extra pages for large request\n"); 939 ttm_put_pages(pages, count, flags, cstate); 940 return r; 941 } 942 943 return 0; 944 } 945 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -------------- next part -------------- A non-text attachment was scrubbed... Name: .config.gz Type: application/gzip Size: 33290 bytes Desc: not available URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20171207/c493d997/attachment-0001.gz>