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-s4-05270049 (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:5479:3: error: implicit declaration of function
>> 'blkcg_schedule_throttle'; did you mean 'poll_schedule_timeout'?
>> [-Werror=implicit-function-declaration]
blkcg_schedule_throttle(bdev_get_queue(bdev), true);
^~~~~~~~~~~~~~~~~~~~~~~
poll_schedule_timeout
cc1: some warnings being treated as errors
vim +5479 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
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
