Re: [PATCH] mm/vmstat: add per-order allocation slow path statistics
From: kernel test robot
Date: Fri Aug 21 2026 - 03:45:13 EST
Hi Daniil,
kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master]
[also build test ERROR on v7.2]
[cannot apply to akpm-mm/mm-everything next-20260819]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Daniil-Tatianin/mm-vmstat-add-per-order-allocation-slow-path-statistics/20260820-163658
base: linus/master
patch link: https://lore.kernel.org/r/20260820133659.712111-1-d-tatianin%40yandex-team.ru
patch subject: [PATCH] mm/vmstat: add per-order allocation slow path statistics
config: sh-defconfig (https://download.01.org/0day-ci/archive/20260821/202608211553.F2rJl3PW-lkp@xxxxxxxxx/config)
compiler: sh4-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/202608211553.F2rJl3PW-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608211553.F2rJl3PW-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
1537 | TEXTS_FOR_ORDERS(PGALLOC_FAIL_ORDER_FIRST, "pgalloc_fail_order")
| ^~~~~~~~~~~~~~~~
mm/vmstat.c:1537:52: warning: initialized field overwritten [-Woverride-init]
1537 | TEXTS_FOR_ORDERS(PGALLOC_FAIL_ORDER_FIRST, "pgalloc_fail_order")
| ^~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1215:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1215 | [I((xx) + 3)] = yy "3", \
| ^~
mm/vmstat.c:1537:9: note: in expansion of macro 'TEXTS_FOR_ORDERS'
1537 | TEXTS_FOR_ORDERS(PGALLOC_FAIL_ORDER_FIRST, "pgalloc_fail_order")
| ^~~~~~~~~~~~~~~~
mm/vmstat.c:1537:52: note: (near initialization for 'vmstat_text[156]')
mm/vmstat.c:1215:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1215 | [I((xx) + 3)] = yy "3", \
| ^~
mm/vmstat.c:1537:9: note: in expansion of macro 'TEXTS_FOR_ORDERS'
1537 | TEXTS_FOR_ORDERS(PGALLOC_FAIL_ORDER_FIRST, "pgalloc_fail_order")
| ^~~~~~~~~~~~~~~~
mm/vmstat.c:1540:34: warning: initialized field overwritten [-Woverride-init]
1540 | "compact_stall_order")
| ^~~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1213:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1213 | [I((xx) + 1)] = yy "1", \
| ^~
mm/vmstat.c:1540:34: note: (near initialization for 'vmstat_text[160]')
mm/vmstat.c:1213:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1213 | [I((xx) + 1)] = yy "1", \
| ^~
mm/vmstat.c:1540:34: warning: initialized field overwritten [-Woverride-init]
1540 | "compact_stall_order")
| ^~~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1214:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1214 | [I((xx) + 2)] = yy "2", \
| ^~
mm/vmstat.c:1540:34: note: (near initialization for 'vmstat_text[161]')
mm/vmstat.c:1214:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1214 | [I((xx) + 2)] = yy "2", \
| ^~
mm/vmstat.c:1540:34: warning: initialized field overwritten [-Woverride-init]
1540 | "compact_stall_order")
| ^~~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1215:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1215 | [I((xx) + 3)] = yy "3", \
| ^~
mm/vmstat.c:1540:34: note: (near initialization for 'vmstat_text[162]')
mm/vmstat.c:1215:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1215 | [I((xx) + 3)] = yy "3", \
| ^~
mm/vmstat.c:1540:34: warning: initialized field overwritten [-Woverride-init]
1540 | "compact_stall_order")
| ^~~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1216:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1216 | [I((xx) + 4)] = yy "4", \
| ^~
mm/vmstat.c:1540:34: note: (near initialization for 'vmstat_text[163]')
mm/vmstat.c:1216:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1216 | [I((xx) + 4)] = yy "4", \
| ^~
mm/vmstat.c:1542:34: warning: initialized field overwritten [-Woverride-init]
1542 | "compact_success_order")
| ^~~~~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1213:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1213 | [I((xx) + 1)] = yy "1", \
| ^~
mm/vmstat.c:1542:34: note: (near initialization for 'vmstat_text[166]')
mm/vmstat.c:1213:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1213 | [I((xx) + 1)] = yy "1", \
| ^~
mm/vmstat.c:1542:34: warning: initialized field overwritten [-Woverride-init]
1542 | "compact_success_order")
| ^~~~~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1214:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1214 | [I((xx) + 2)] = yy "2", \
| ^~
mm/vmstat.c:1542:34: note: (near initialization for 'vmstat_text[167]')
mm/vmstat.c:1214:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1214 | [I((xx) + 2)] = yy "2", \
| ^~
mm/vmstat.c:1542:34: warning: initialized field overwritten [-Woverride-init]
1542 | "compact_success_order")
| ^~~~~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1215:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1215 | [I((xx) + 3)] = yy "3", \
| ^~
mm/vmstat.c:1542:34: note: (near initialization for 'vmstat_text[168]')
mm/vmstat.c:1215:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1215 | [I((xx) + 3)] = yy "3", \
| ^~
mm/vmstat.c:1542:34: warning: initialized field overwritten [-Woverride-init]
1542 | "compact_success_order")
| ^~~~~~~~~~~~~~~~~~~~~~~
mm/vmstat.c:1216:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1216 | [I((xx) + 4)] = yy "4", \
| ^~
mm/vmstat.c:1542:34: note: (near initialization for 'vmstat_text[169]')
mm/vmstat.c:1216:25: note: in definition of macro 'TEXTS_FOR_NONZERO_ORDERS'
1216 | [I((xx) + 4)] = yy "4", \
| ^~
In file included from <command-line>:
mm/vmstat.c: In function 'vmstat_start':
>> include/linux/compiler_types.h:702:45: error: call to '__compiletime_assert_467' declared with attribute error: BUILD_BUG_ON failed: ARRAY_SIZE(vmstat_text) != NR_VMSTAT_ITEMS
702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:683:25: note: in definition of macro '__compiletime_assert'
683 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:702:9: note: in expansion of macro '_compiletime_assert'
702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:40:37: note: in expansion of macro 'compiletime_assert'
40 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:51:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
51 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
mm/vmstat.c:1941:9: note: in expansion of macro 'BUILD_BUG_ON'
1941 | BUILD_BUG_ON(ARRAY_SIZE(vmstat_text) != NR_VMSTAT_ITEMS);
| ^~~~~~~~~~~~
vim +/__compiletime_assert_467 +702 include/linux/compiler_types.h
eb5c2d4b45e3d2d Will Deacon 2020-07-21 688
eb5c2d4b45e3d2d Will Deacon 2020-07-21 689 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21 690 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2d Will Deacon 2020-07-21 691
eb5c2d4b45e3d2d Will Deacon 2020-07-21 692 /**
eb5c2d4b45e3d2d Will Deacon 2020-07-21 693 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21 694 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2d Will Deacon 2020-07-21 695 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21 696 *
eb5c2d4b45e3d2d Will Deacon 2020-07-21 697 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21 698 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21 699 * compiler has support to do so.
eb5c2d4b45e3d2d Will Deacon 2020-07-21 700 */
eb5c2d4b45e3d2d Will Deacon 2020-07-21 701 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21 @702 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2d Will Deacon 2020-07-21 703
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