* arch/x86/mm/pat/set_memory.c:97:19: error: 'DIRECT_MAP_4M_SPLIT' undeclared
@ 2021-01-28 10:25 kernel test robot
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From: kernel test robot @ 2021-01-28 10:25 UTC (permalink / raw)
To: kbuild-all
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tree: https://github.com/0day-ci/linux/commits/UPDATE-20210128-161902/Steven-Rostedt/sched-tracing-Reset-critical-timings-on-scheduling/20210128-125618
head: 18d35c61d918430472f61aaa3bcca10c30c2ce70
commit: 18d35c61d918430472f61aaa3bcca10c30c2ce70 x86/mm: Tracking linear mapping split events
date: 2 hours ago
config: i386-randconfig-m021-20210128 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/18d35c61d918430472f61aaa3bcca10c30c2ce70
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review UPDATE-20210128-161902/Steven-Rostedt/sched-tracing-Reset-critical-timings-on-scheduling/20210128-125618
git checkout 18d35c61d918430472f61aaa3bcca10c30c2ce70
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/x86/mm/pat/set_memory.c:90:6: warning: no previous prototype for 'update_split_page_event_count' [-Wmissing-prototypes]
90 | void update_split_page_event_count(int level)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/mm/pat/set_memory.c: In function 'update_split_page_event_count':
>> arch/x86/mm/pat/set_memory.c:97:19: error: 'DIRECT_MAP_4M_SPLIT' undeclared (first use in this function)
97 | count_vm_event(DIRECT_MAP_4M_SPLIT);
| ^~~~~~~~~~~~~~~~~~~
arch/x86/mm/pat/set_memory.c:97:19: note: each undeclared identifier is reported only once for each function it appears in
>> arch/x86/mm/pat/set_memory.c:100:19: error: 'DIRECT_MAP_1G_SPLIT' undeclared (first use in this function)
100 | count_vm_event(DIRECT_MAP_1G_SPLIT);
| ^~~~~~~~~~~~~~~~~~~
vim +/DIRECT_MAP_4M_SPLIT +97 arch/x86/mm/pat/set_memory.c
89
90 void update_split_page_event_count(int level)
91 {
92 if (system_state == SYSTEM_RUNNING) {
93 if (level == PG_LEVEL_2M) {
94 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
95 count_vm_event(DIRECT_MAP_2M_SPLIT);
96 #else
> 97 count_vm_event(DIRECT_MAP_4M_SPLIT);
98 #endif
99 } else if (level == PG_LEVEL_1G) {
> 100 count_vm_event(DIRECT_MAP_1G_SPLIT);
101 }
102 }
103 }
104
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-01-28 10:25 arch/x86/mm/pat/set_memory.c:97:19: error: 'DIRECT_MAP_4M_SPLIT' undeclared kernel test robot
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