tree: git://git.cmpxchg.org/linux-mmotm.git master
head: 4ddd4bc6e081ef29f7adaacb357b77052fefcd7e
commit: 4ac4f1a27eed39f833aa8874515127e3bd0ff971 [203/499] vmstat: use raw_cpu_ops to avoid false positives on preemption checks
config: make ARCH=x86_64 allnoconfig
Note: the mmotm/master HEAD 4ddd4bc6e081ef29f7adaacb357b77052fefcd7e builds fine.
It only hurts bisectibility.
All error/warnings:
In file included from include/linux/mm.h:897:0,
from include/linux/suspend.h:8,
from arch/x86/kernel/asm-offsets.c:12:
include/linux/vmstat.h: In function '__count_vm_event':
>> include/linux/vmstat.h:32:2: error: implicit declaration of function 'raw_cpu_inc' [-Werror=implicit-function-declaration]
raw_cpu_inc(vm_event_states.event[item]);
^
include/linux/vmstat.h: In function '__count_vm_events':
>> include/linux/vmstat.h:42:2: error: implicit declaration of function 'raw_cpu_add' [-Werror=implicit-function-declaration]
raw_cpu_add(vm_event_states.event[item], delta);
^
cc1: some warnings being treated as errors
make[2]: *** [arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target `__build' not remade because of errors.
make[1]: *** [prepare0] Error 2
make[1]: Target `prepare' not remade because of errors.
make: *** [sub-make] Error 2
vim +/raw_cpu_inc +32 include/linux/vmstat.h
26 };
27
28 DECLARE_PER_CPU(struct vm_event_state, vm_event_states);
29
30 static inline void __count_vm_event(enum vm_event_item item)
31 {
> 32 raw_cpu_inc(vm_event_states.event[item]);
33 }
34
35 static inline void count_vm_event(enum vm_event_item item)
36 {
37 this_cpu_inc(vm_event_states.event[item]);
38 }
39
40 static inline void __count_vm_events(enum vm_event_item item, long delta)
41 {
> 42 raw_cpu_add(vm_event_states.event[item], delta);
43 }
44
45 static inline void count_vm_events(enum vm_event_item item, long delta)
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