Re: [v2] mm: make allocation counters per-order
From: kbuild test robot
Date: Sun Jul 16 2017 - 09:56:17 EST
Hi Roman,
[auto build test WARNING on mmotm/master]
[also build test WARNING on v4.13-rc1 next-20170714]
[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/Roman-Gushchin/mm-make-allocation-counters-per-order/20170716-213429
base: git://git.cmpxchg.org/linux-mmotm.git master
config: s390-allyesconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=s390
All warnings (new ones prefixed by >>):
>> arch/s390//appldata/appldata_mem.c:70:15: warning: return type defaults to 'int' [-Wreturn-type]
static inline sum_pgalloc_events(u64 *pgalloc, unsigned long *ev)
^~~~~~~~~~~~~~~~~~
arch/s390//appldata/appldata_mem.c: In function 'sum_pgalloc_events':
>> arch/s390//appldata/appldata_mem.c:78:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
vim +/int +70 arch/s390//appldata/appldata_mem.c
68
69 #ifdef CONFIG_PER_ORDER_ALLOC_COUNTERS
> 70 static inline sum_pgalloc_events(u64 *pgalloc, unsigned long *ev)
71 {
72 int order;
73
74 for (order = 1; order < MAX_ORDER; ++order) {
75 pgalloc += ev[PGALLOC_NORMAL + order * MAX_NR_ZONES] << order;
76 pgalloc += ev[PGALLOC_DMA + order * MAX_NR_ZONES] << order;
77 }
> 78 }
79 #else
80 static inline sum_pgalloc_events(u64 *pgalloc, unsigned long *ev)
81 {
82 }
83 #endif
84
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