Re: mm-memcontrol-per-lruvec-stats-infrastructure-fix-4

From: kbuild test robot
Date: Sat Jun 17 2017 - 14:28:20 EST

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Hi Johannes,

[auto build test ERROR on next-20170616]
[cannot apply to linus/master linux/master v4.9-rc8 v4.9-rc7 v4.9-rc6 v4.12-rc5]
[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/Johannes-Weiner/mm-memcontrol-per-lruvec-stats-infrastructure-fix-4/20170618-012558
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.3.0-18) 6.3.0 20170516
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All error/warnings (new ones prefixed by >>):

In file included from include/linux/mm.h:1032:0,
from include/linux/highmem.h:7,
from include/linux/bio.h:21,
from include/linux/writeback.h:205,
from include/linux/memcontrol.h:28,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
include/linux/vmstat.h: In function 'lruvec_page_state':
>> include/linux/vmstat.h:362:6: error: implicit declaration of function 'mem_cgroup_disabled' [-Werror=implicit-function-declaration]
if (mem_cgroup_disabled())
^~~~~~~~~~~~~~~~~~~
In file included from arch/x86/include/asm/atomic.h:4:0,
from include/linux/atomic.h:4,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:8:
>> include/linux/kernel.h:859:51: error: dereferencing pointer to incomplete type 'struct mem_cgroup_per_node'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
include/linux/compiler.h:517:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:537:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:859:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:859:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
>> include/linux/vmstat.h:365:7: note: in expansion of macro 'container_of'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^~~~~~~~~~~~
In file included from include/linux/compiler.h:58:0,
from arch/x86/include/asm/atomic.h:4,
from include/linux/atomic.h:4,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:8:
>> include/linux/vmstat.h:365:35: error: invalid use of undefined type 'struct mem_cgroup_per_node'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^
include/linux/compiler-gcc.h:161:21: note: in definition of macro '__compiler_offsetof'
__builtin_offsetof(a, b)
^
include/linux/kernel.h:862:28: note: in expansion of macro 'offsetof'
((type *)((char *)(ptr) - offsetof(type, member))); })
^~~~~~~~
>> include/linux/vmstat.h:365:7: note: in expansion of macro 'container_of'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^~~~~~~~~~~~
In file included from arch/x86/include/asm/atomic.h:4:0,
from include/linux/atomic.h:4,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:8:
include/linux/vmstat.h: In function '__mod_lruvec_state':
>> include/linux/kernel.h:859:51: error: dereferencing pointer to incomplete type 'struct mem_cgroup_per_node'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
include/linux/compiler.h:517:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:537:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:859:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:859:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/vmstat.h:383:7: note: in expansion of macro 'container_of'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^~~~~~~~~~~~
In file included from include/linux/compiler.h:58:0,
from arch/x86/include/asm/atomic.h:4,
from include/linux/atomic.h:4,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:8:
include/linux/vmstat.h:383:35: error: invalid use of undefined type 'struct mem_cgroup_per_node'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^
include/linux/compiler-gcc.h:161:21: note: in definition of macro '__compiler_offsetof'
__builtin_offsetof(a, b)
^
include/linux/kernel.h:862:28: note: in expansion of macro 'offsetof'
((type *)((char *)(ptr) - offsetof(type, member))); })
^~~~~~~~
include/linux/vmstat.h:383:7: note: in expansion of macro 'container_of'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^~~~~~~~~~~~
In file included from include/linux/mm.h:1032:0,
from include/linux/highmem.h:7,
from include/linux/bio.h:21,
from include/linux/writeback.h:205,
from include/linux/memcontrol.h:28,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
>> include/linux/vmstat.h:384:2: error: implicit declaration of function '__mod_memcg_state' [-Werror=implicit-function-declaration]
__mod_memcg_state(pn->memcg, idx, val);
^~~~~~~~~~~~~~~~~
In file included from arch/x86/include/asm/atomic.h:4:0,
from include/linux/atomic.h:4,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:8:
include/linux/vmstat.h: In function 'mod_lruvec_state':
>> include/linux/kernel.h:859:51: error: dereferencing pointer to incomplete type 'struct mem_cgroup_per_node'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
include/linux/compiler.h:517:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:537:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:859:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:859:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/vmstat.h:396:7: note: in expansion of macro 'container_of'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^~~~~~~~~~~~
In file included from include/linux/compiler.h:58:0,
from arch/x86/include/asm/atomic.h:4,
from include/linux/atomic.h:4,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:8:
include/linux/vmstat.h:396:35: error: invalid use of undefined type 'struct mem_cgroup_per_node'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^
include/linux/compiler-gcc.h:161:21: note: in definition of macro '__compiler_offsetof'
__builtin_offsetof(a, b)
^
include/linux/kernel.h:862:28: note: in expansion of macro 'offsetof'
((type *)((char *)(ptr) - offsetof(type, member))); })
^~~~~~~~
include/linux/vmstat.h:396:7: note: in expansion of macro 'container_of'
pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
^~~~~~~~~~~~
In file included from include/linux/mm.h:1032:0,
from include/linux/highmem.h:7,
from include/linux/bio.h:21,
from include/linux/writeback.h:205,
from include/linux/memcontrol.h:28,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
>> include/linux/vmstat.h:397:2: error: implicit declaration of function 'mod_memcg_state' [-Werror=implicit-function-declaration]
mod_memcg_state(pn->memcg, idx, val);
^~~~~~~~~~~~~~~
include/linux/vmstat.h: In function '__mod_lruvec_page_state':
>> include/linux/vmstat.h:410:23: error: dereferencing pointer to incomplete type 'struct mem_cgroup'
pn = page->mem_cgroup->nodeinfo[page_to_nid(page)];
^~
In file included from include/asm-generic/percpu.h:6:0,
from arch/x86/include/asm/percpu.h:542,
from arch/x86/include/asm/preempt.h:5,
from include/linux/preempt.h:80,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from include/linux/crypto.h:24,
from arch/x86/kernel/asm-offsets.c:8:
>> include/linux/vmstat.h:411:19: error: dereferencing pointer to incomplete type 'struct mem_cgroup_per_node'
__this_cpu_add(pn->lruvec_stat->count[idx], val);
^
include/linux/percpu-defs.h:206:47: note: in definition of macro '__verify_pcpu_ptr'
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
^~~
>> include/linux/percpu-defs.h:409:32: note: in expansion of macro '__pcpu_size_call'
#define raw_cpu_add(pcp, val) __pcpu_size_call(raw_cpu_add_, pcp, val)
^~~~~~~~~~~~~~~~
>> include/linux/percpu-defs.h:445:2: note: in expansion of macro 'raw_cpu_add'
raw_cpu_add(pcp, val); \
^~~~~~~~~~~
include/linux/vmstat.h:411:2: note: in expansion of macro '__this_cpu_add'
__this_cpu_add(pn->lruvec_stat->count[idx], val);
^~~~~~~~~~~~~~
include/linux/vmstat.h: In function 'mod_lruvec_page_state':
include/linux/vmstat.h:424:17: error: dereferencing pointer to incomplete type 'struct mem_cgroup_per_node'
this_cpu_add(pn->lruvec_stat->count[idx], val);
^
include/linux/percpu-defs.h:206:47: note: in definition of macro '__verify_pcpu_ptr'
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
^~~
include/linux/percpu-defs.h:496:33: note: in expansion of macro '__pcpu_size_call'
#define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val)
^~~~~~~~~~~~~~~~
include/linux/vmstat.h:424:2: note: in expansion of macro 'this_cpu_add'
this_cpu_add(pn->lruvec_stat->count[idx], val);
^~~~~~~~~~~~
In file included from include/linux/swap.h:8:0,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
include/linux/memcontrol.h: At top level:
>> include/linux/memcontrol.h:267:20: error: conflicting types for 'mem_cgroup_disabled'
static inline bool mem_cgroup_disabled(void)
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/mm.h:1032:0,
from include/linux/highmem.h:7,
from include/linux/bio.h:21,
from include/linux/writeback.h:205,
from include/linux/memcontrol.h:28,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
include/linux/vmstat.h:362:6: note: previous implicit declaration of 'mem_cgroup_disabled' was here
if (mem_cgroup_disabled())
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/swap.h:8:0,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
>> include/linux/memcontrol.h:502:20: warning: conflicting types for '__mod_memcg_state'
static inline void __mod_memcg_state(struct mem_cgroup *memcg,
^~~~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:502:20: error: static declaration of '__mod_memcg_state' follows non-static declaration
In file included from include/linux/mm.h:1032:0,
from include/linux/highmem.h:7,
from include/linux/bio.h:21,
from include/linux/writeback.h:205,
from include/linux/memcontrol.h:28,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
include/linux/vmstat.h:384:2: note: previous implicit declaration of '__mod_memcg_state' was here
__mod_memcg_state(pn->memcg, idx, val);
^~~~~~~~~~~~~~~~~
In file included from include/linux/swap.h:8:0,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
>> include/linux/memcontrol.h:509:20: warning: conflicting types for 'mod_memcg_state'
static inline void mod_memcg_state(struct mem_cgroup *memcg,
^~~~~~~~~~~~~~~
>> include/linux/memcontrol.h:509:20: error: static declaration of 'mod_memcg_state' follows non-static declaration
In file included from include/linux/mm.h:1032:0,
from include/linux/highmem.h:7,
from include/linux/bio.h:21,
from include/linux/writeback.h:205,
from include/linux/memcontrol.h:28,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
include/linux/vmstat.h:397:2: note: previous implicit declaration of 'mod_memcg_state' was here
mod_memcg_state(pn->memcg, idx, val);
^~~~~~~~~~~~~~~
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 +/mem_cgroup_disabled +362 include/linux/vmstat.h

356 enum node_stat_item idx)
357 {
358 struct mem_cgroup_per_node *pn;
359 long val = 0;
360 int cpu;
361
> 362 if (mem_cgroup_disabled())
363 return node_page_state(lruvec_pgdat(lruvec), idx);
364
> 365 pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
366 for_each_possible_cpu(cpu)
367 val += per_cpu(pn->lruvec_stat->count[idx], cpu);
368
369 if (val < 0)
370 val = 0;
371
372 return val;
373 }
374
375 static inline void __mod_lruvec_state(struct lruvec *lruvec,
376 enum node_stat_item idx, int val)
377 {
378 struct mem_cgroup_per_node *pn;
379
380 __mod_node_page_state(lruvec_pgdat(lruvec), idx, val);
381 if (mem_cgroup_disabled())
382 return;
383 pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
> 384 __mod_memcg_state(pn->memcg, idx, val);
385 __this_cpu_add(pn->lruvec_stat->count[idx], val);
386 }
387
388 static inline void mod_lruvec_state(struct lruvec *lruvec,
389 enum node_stat_item idx, int val)
390 {
391 struct mem_cgroup_per_node *pn;
392
393 mod_node_page_state(lruvec_pgdat(lruvec), idx, val);
394 if (mem_cgroup_disabled())
395 return;
396 pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
> 397 mod_memcg_state(pn->memcg, idx, val);
398 this_cpu_add(pn->lruvec_stat->count[idx], val);
399 }
400
401 static inline void __mod_lruvec_page_state(struct page *page,
402 enum node_stat_item idx, int val)
403 {
404 struct mem_cgroup_per_node *pn;
405
406 __mod_node_page_state(page_pgdat(page), idx, val);
407 if (mem_cgroup_disabled() || !page->mem_cgroup)
408 return;
409 __mod_memcg_state(page->mem_cgroup, idx, val);
> 410 pn = page->mem_cgroup->nodeinfo[page_to_nid(page)];
> 411 __this_cpu_add(pn->lruvec_stat->count[idx], val);
412 }
413
414 static inline void mod_lruvec_page_state(struct page *page,

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