Hi Michal, [auto build test ERROR on net-next/master] [also build test ERROR on v4.10-rc2 next-20170106] [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/Michal-Hocko/net-use-kvmalloc-rather-than-open-coded-variant/20170107-104105 config: x86_64-randconfig-i0-201701 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 Note: the linux-review/Michal-Hocko/net-use-kvmalloc-rather-than-open-coded-variant/20170107-104105 HEAD 29df6a817f53555953b47c6f8d09397f9f7b598c builds fine. It only hurts bisectibility. All error/warnings (new ones prefixed by >>): net/core/dev.c: In function 'netif_alloc_rx_queues': >> net/core/dev.c:7114:2: error: implicit declaration of function 'kvzalloc' [-Werror=implicit-function-declaration] rx = kvzalloc(sz, GFP_KERNEL | __GFP_REPEAT); ^ >> net/core/dev.c:7114:5: warning: assignment makes pointer from integer without a cast rx = kvzalloc(sz, GFP_KERNEL | __GFP_REPEAT); ^ net/core/dev.c: In function 'netif_alloc_netdev_queues': net/core/dev.c:7154:5: warning: assignment makes pointer from integer without a cast tx = kvzalloc(sz, GFP_KERNEL | __GFP_REPEAT); ^ net/core/dev.c: In function 'alloc_netdev_mqs': net/core/dev.c:7690:4: warning: assignment makes pointer from integer without a cast p = kvzalloc(alloc_size, GFP_KERNEL | __GFP_REPEAT); ^ cc1: some warnings being treated as errors vim +/kvzalloc +7114 net/core/dev.c 7108 unsigned int i, count = dev->num_rx_queues; 7109 struct netdev_rx_queue *rx; 7110 size_t sz = count * sizeof(*rx); 7111 7112 BUG_ON(count < 1); 7113 > 7114 rx = kvzalloc(sz, GFP_KERNEL | __GFP_REPEAT); 7115 if (!rx) 7116 return -ENOMEM; 7117 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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