* [linux-next:master 6840/7552] mm/memcontrol.c:4763:2: error: implicit declaration of function 'memcg_flush_percpu_vmevents'
@ 2019-08-19 19:01 kbuild test robot
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From: kbuild test robot @ 2019-08-19 19:01 UTC (permalink / raw)
To: Roman Gushchin; +Cc: kbuild-all, Andrew Morton, Linux Memory Management List
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tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git master
head: da6570438d9bc1fff85f8ce7bcd02fe968289ef9
commit: 179bdfa3a336c352b70b59775c725f507ea5234b [6840/7552] mm: memcontrol: flush percpu vmevents before releasing memcg
config: x86_64-randconfig-s2-08191610 (attached as .config)
compiler: gcc-6 (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
reproduce:
git checkout 179bdfa3a336c352b70b59775c725f507ea5234b
# save the attached .config to linux build tree
make ARCH=x86_64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
mm/memcontrol.c: In function '__mem_cgroup_free':
mm/memcontrol.c:4762:2: error: implicit declaration of function 'memcg_flush_percpu_vmstats' [-Werror=implicit-function-declaration]
memcg_flush_percpu_vmstats(memcg, false);
^~~~~~~~~~~~~~~~~~~~~~~~~~
>> mm/memcontrol.c:4763:2: error: implicit declaration of function 'memcg_flush_percpu_vmevents' [-Werror=implicit-function-declaration]
memcg_flush_percpu_vmevents(memcg);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size
Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_read
Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_write
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_read
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_set
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_inc
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_dec
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_dec_and_test
Cyclomatic Complexity 2 arch/x86/include/asm/atomic.h:arch_atomic_try_cmpxchg
Cyclomatic Complexity 1 arch/x86/include/asm/atomic64_64.h:arch_atomic64_read
Cyclomatic Complexity 1 arch/x86/include/asm/atomic64_64.h:arch_atomic64_set
Cyclomatic Complexity 1 arch/x86/include/asm/atomic64_64.h:arch_atomic64_add
Cyclomatic Complexity 1 arch/x86/include/asm/atomic64_64.h:arch_atomic64_sub_and_test
Cyclomatic Complexity 1 arch/x86/include/asm/atomic64_64.h:arch_atomic64_inc
Cyclomatic Complexity 2 arch/x86/include/asm/atomic64_64.h:arch_atomic64_try_cmpxchg
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_read
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_set
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_inc
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_dec
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_try_cmpxchg
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_dec_and_test
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic64_read
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic64_set
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic64_add
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic64_inc
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic64_try_cmpxchg
Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic64_sub_and_test
Cyclomatic Complexity 3 include/linux/atomic-fallback.h:atomic_fetch_add_unless
Cyclomatic Complexity 1 include/linux/atomic-fallback.h:atomic_add_unless
Cyclomatic Complexity 3 include/linux/atomic-fallback.h:atomic64_fetch_add_unless
Cyclomatic Complexity 1 include/linux/atomic-fallback.h:atomic64_add_unless
Cyclomatic Complexity 1 include/linux/atomic-fallback.h:atomic64_inc_not_zero
Cyclomatic Complexity 1 include/asm-generic/atomic-long.h:atomic_long_read
Cyclomatic Complexity 1 include/asm-generic/atomic-long.h:atomic_long_set
Cyclomatic Complexity 1 include/asm-generic/atomic-long.h:atomic_long_add
Cyclomatic Complexity 1 include/asm-generic/atomic-long.h:atomic_long_inc
Cyclomatic Complexity 1 include/asm-generic/atomic-long.h:atomic_long_sub_and_test
Cyclomatic Complexity 1 include/asm-generic/atomic-long.h:atomic_long_inc_not_zero
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_set_bit
Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:arch_clear_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:arch_test_and_set_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:arch_test_and_set_bit_lock
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64
Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:set_bit
Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:clear_bit
Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:test_and_set_bit
Cyclomatic Complexity 1 include/asm-generic/bitops-instrumented.h:test_and_set_bit_lock
Cyclomatic Complexity 2 include/asm-generic/bitops-instrumented.h:test_bit
Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64
Cyclomatic Complexity 68 include/asm-generic/getorder.h:get_order
Cyclomatic Complexity 1 include/linux/page_counter.h:page_counter_init
Cyclomatic Complexity 1 include/linux/page_counter.h:page_counter_read
Cyclomatic Complexity 1 include/linux/page_counter.h:page_counter_reset_watermark
Cyclomatic Complexity 1 include/linux/percpu-defs.h:__this_cpu_preempt_check
Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD
Cyclomatic Complexity 2 include/linux/list.h:__list_add
Cyclomatic Complexity 1 include/linux/list.h:list_add
Cyclomatic Complexity 1 include/linux/list.h:__list_del
Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry
Cyclomatic Complexity 1 include/linux/list.h:list_del
Cyclomatic Complexity 1 include/linux/list.h:list_del_init
Cyclomatic Complexity 1 include/linux/list.h:list_empty
Cyclomatic Complexity 1 include/linux/jump_label.h:static_key_count
Cyclomatic Complexity 2 include/linux/jump_label.h:static_key_false
Cyclomatic Complexity 2 include/linux/jump_label.h:static_key_slow_inc
Cyclomatic Complexity 2 include/linux/jump_label.h:static_key_slow_dec
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:native_save_fl
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:native_restore_fl
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:native_irq_disable
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:native_irq_enable
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_save_flags
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_irq_restore
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_irq_disable
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_irq_enable
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_local_irq_save
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_irqs_disabled_flags
Cyclomatic Complexity 1 arch/x86/include/asm/pgtable_types.h:native_make_pmd
Cyclomatic Complexity 1 arch/x86/include/asm/pgtable_types.h:native_pmd_val
Cyclomatic Complexity 2 arch/x86/include/asm/pgtable_types.h:pmd_pfn_mask
Cyclomatic Complexity 1 arch/x86/include/asm/pgtable_types.h:pmd_flags_mask
Cyclomatic Complexity 1 arch/x86/include/asm/pgtable_types.h:pmd_flags
Cyclomatic Complexity 1 arch/x86/include/asm/pgtable_types.h:native_make_pte
Cyclomatic Complexity 1 arch/x86/include/asm/pgtable_types.h:native_pte_val
Cyclomatic Complexity 1 arch/x86/include/asm/pgtable_types.h:pte_flags
Cyclomatic Complexity 1 include/linux/string.h:strstrip
Cyclomatic Complexity 3 include/linux/string.h:memset
Cyclomatic Complexity 4 include/linux/string.h:memcpy
Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR
Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR
Cyclomatic Complexity 1 include/linux/err.h:IS_ERR
Cyclomatic Complexity 1 include/linux/thread_info.h:test_and_set_ti_thread_flag
Cyclomatic Complexity 1 include/linux/thread_info.h:test_ti_thread_flag
Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:preempt_count
Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add
vim +/memcg_flush_percpu_vmevents +4763 mm/memcontrol.c
4753
4754 static void __mem_cgroup_free(struct mem_cgroup *memcg)
4755 {
4756 int node;
4757
4758 /*
4759 * Flush percpu vmstats and vmevents to guarantee the value correctness
4760 * on parent's and all ancestor levels.
4761 */
> 4762 memcg_flush_percpu_vmstats(memcg, false);
> 4763 memcg_flush_percpu_vmevents(memcg);
4764 for_each_node(node)
4765 free_mem_cgroup_per_node_info(memcg, node);
4766 free_percpu(memcg->vmstats_percpu);
4767 free_percpu(memcg->vmstats_local);
4768 kfree(memcg);
4769 }
4770
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