Hi Alexander, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.10-rc2 next-20170103] [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/Alexander-Duyck/Page-fragment-updates/20170104-080239 base: git://git.cmpxchg.org/linux-mmotm.git master config: i386-randconfig-x003-201701 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 Note: the linux-review/Alexander-Duyck/Page-fragment-updates/20170104-080239 HEAD 81fa8f8a69c1b7187ae789eb536cdfcb3263d366 builds fine. It only hurts bisectibility. All error/warnings (new ones prefixed by >>): net/core/skbuff.c: In function '__netdev_alloc_frag': >> net/core/skbuff.c:372:9: error: implicit declaration of function >> 'page_frag_alloc' [-Werror=implicit-function-declaration] data = page_frag_alloc(nc, fragsz, gfp_mask); ^~~~~~~~~~~~~~~ >> net/core/skbuff.c:372:7: warning: assignment makes pointer from integer >> without a cast [-Wint-conversion] data = page_frag_alloc(nc, fragsz, gfp_mask); ^ net/core/skbuff.c: In function '__napi_alloc_frag': >> net/core/skbuff.c:394:9: warning: return makes pointer from integer without >> a cast [-Wint-conversion] return page_frag_alloc(&nc->page, fragsz, gfp_mask); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/core/skbuff.c: In function '__netdev_alloc_skb': net/core/skbuff.c:444:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion] data = page_frag_alloc(nc, len, gfp_mask); ^ net/core/skbuff.c: In function '__napi_alloc_skb': net/core/skbuff.c:508:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion] data = page_frag_alloc(&nc->page, len, gfp_mask); ^ cc1: some warnings being treated as errors vim +/page_frag_alloc +372 net/core/skbuff.c 366 struct page_frag_cache *nc; 367 unsigned long flags; 368 void *data; 369 370 local_irq_save(flags); 371 nc = this_cpu_ptr(&netdev_alloc_cache); > 372 data = page_frag_alloc(nc, fragsz, gfp_mask); 373 local_irq_restore(flags); 374 return data; 375 } 376 377 /** 378 * netdev_alloc_frag - allocate a page fragment 379 * @fragsz: fragment size 380 * 381 * Allocates a frag from a page for receive buffer. 382 * Uses GFP_ATOMIC allocations. 383 */ 384 void *netdev_alloc_frag(unsigned int fragsz) 385 { 386 return __netdev_alloc_frag(fragsz, GFP_ATOMIC | __GFP_COLD); 387 } 388 EXPORT_SYMBOL(netdev_alloc_frag); 389 390 static void *__napi_alloc_frag(unsigned int fragsz, gfp_t gfp_mask) 391 { 392 struct napi_alloc_cache *nc = this_cpu_ptr(&napi_alloc_cache); 393 > 394 return page_frag_alloc(&nc->page, fragsz, gfp_mask); 395 } 396 397 void *napi_alloc_frag(unsigned int fragsz) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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