[Intel-wired-lan] [next PATCH v3 1/3] mm: Rename __alloc_page_frag to page_frag_alloc and __free_page_frag to page_frag_free
kbuild test robot
lkp at intel.com
Wed Jan 4 00:58:26 UTC 2017
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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