next: arm64: compiler_types.h:320:38: error: call to '__compiletime_assert_417' declared with attribute error: BUILD_BUG_ON failed: KMALLOC_MIN_SIZE > 16 | KMALLOC_SHIFT_HIGH < 10

From: Naresh Kamboju
Date: Thu Mar 18 2021 - 07:26:58 EST


While building arm64 kernel modules the following kernel warnings /
errors noticed on
linux next 20210318 tag the gcc version is 7.3.0. I will check latest
gcc version builds
and keep you updated.

In file included from <command-line>:0:0:
In function 'resiliency_test',
inlined from 'test_slub_init' at lib/test_slub.c:120:2:
include/linux/compiler_types.h:320:38: error: call to
'__compiletime_assert_417' declared with attribute error: BUILD_BUG_ON
failed: KMALLOC_MIN_SIZE > 16 | KMALLOC_SHIFT_HIGH < 10
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
include/linux/compiler_types.h:301:4: note: in definition of macro
'__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler_types.h:320:2: note: in expansion of macro
'_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro
'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:2: note: in expansion of macro
'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
lib/test_slub.c:101:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(KMALLOC_MIN_SIZE > 16 | KMALLOC_SHIFT_HIGH < 10);
^~~~~~~~~~~~
make[2]: *** [ scripts/Makefile.build:273: lib/test_slub.o] Error 1
make[1]: *** [ Makefile:1980: lib] Error 2

Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>

https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=juno,label=docker-buster-lkft/984/consoleFull

https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=juno,label=docker-buster-lkft/984/consoleFull


- Naresh