tree: https://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git blk-iolatency head: b62bb0da2afe1437b9d2d687ea1f509466fd3843 commit: 2caae39bf0a83094c506f98be6e339355544d103 [7/13] memcontrol: schedule throttling if we are congested config: x86_64-randconfig-s3-05270017 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: git checkout 2caae39bf0a83094c506f98be6e339355544d103 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): mm/memcontrol.c: In function 'mem_cgroup_try_charge_delay': >> mm/memcontrol.c:5476:6: error: implicit declaration of function 'has_usable_swap' [-Werror=implicit-function-declaration] has_usable_swap()) { ^~~~~~~~~~~~~~~ >> mm/memcontrol.c:5477:3: error: implicit declaration of function 'map_swap_page'; did you mean 'do_swap_page'? [-Werror=implicit-function-declaration] map_swap_page(page, &bdev); ^~~~~~~~~~~~~ do_swap_page cc1: some warnings being treated as errors vim +/has_usable_swap +5476 mm/memcontrol.c 5460 5461 int mem_cgroup_try_charge_delay(struct page *page, struct mm_struct *mm, 5462 gfp_t gfp_mask, struct mem_cgroup **memcgp, 5463 bool compound) 5464 { 5465 struct mem_cgroup *memcg; 5466 struct block_device *bdev; 5467 int ret; 5468 5469 ret = mem_cgroup_try_charge(page, mm, gfp_mask, memcgp, compound); 5470 memcg = *memcgp; 5471 5472 if (!(gfp_mask & __GFP_IO) || !memcg) 5473 return ret; 5474 #ifdef CONFIG_BLOCK 5475 if (atomic_read(&memcg->css.cgroup->congestion_count) && > 5476 has_usable_swap()) { > 5477 map_swap_page(page, &bdev); 5478 5479 blkcg_schedule_throttle(bdev_get_queue(bdev), true); 5480 } 5481 #endif 5482 return ret; 5483 } 5484 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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