Re: [PATCH] mm: Remove pud_user() from asm-generic/pgtable-nopmd.h
From: kernel test robot
Date: Wed Aug 13 2025 - 02:57:53 EST
Hi Christophe,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Christophe-Leroy/mm-Remove-pud_user-from-asm-generic-pgtable-nopmd-h/20250812-195212
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/c7f99612ecfa04054b37518df661d04f88f7c9af.1754997083.git.christophe.leroy%40csgroup.eu
patch subject: [PATCH] mm: Remove pud_user() from asm-generic/pgtable-nopmd.h
config: arm64-randconfig-002-20250813 (https://download.01.org/0day-ci/archive/20250813/202508131402.ZaPLdNsY-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250813/202508131402.ZaPLdNsY-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/202508131402.ZaPLdNsY-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
In file included from include/linux/pgtable.h:6,
from arch/arm64/include/asm/io.h:12,
from include/linux/io.h:12,
from include/linux/irq.h:20,
from include/asm-generic/hardirq.h:17,
from arch/arm64/include/asm/hardirq.h:17,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/trace_recursion.h:5,
from include/linux/ftrace.h:10,
from arch/arm64/kernel/asm-offsets.c:12:
arch/arm64/include/asm/pgtable.h: In function 'pud_user_accessible_page':
>> arch/arm64/include/asm/pgtable.h:958:33: error: called object is not a function or function pointer
958 | #define pud_user false /* Always 0 with folding */
| ^~~~~
arch/arm64/include/asm/pgtable.h:1307:54: note: in expansion of macro 'pud_user'
1307 | return pud_valid(pud) && !pud_table(pud) && (pud_user(pud) || pud_user_exec(pud));
| ^~~~~~~~
>> arch/arm64/include/asm/pgtable.h:958:33: error: called object is not a function or function pointer
958 | #define pud_user false /* Always 0 with folding */
| ^~~~~
arch/arm64/include/asm/pgtable.h:959:33: note: in expansion of macro 'pud_user'
959 | #define pud_user_exec(pud) pud_user(pud) /* Always 0 with folding */
| ^~~~~~~~
arch/arm64/include/asm/pgtable.h:1307:71: note: in expansion of macro 'pud_user_exec'
1307 | return pud_valid(pud) && !pud_table(pud) && (pud_user(pud) || pud_user_exec(pud));
| ^~~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:182: arch/arm64/kernel/asm-offsets.s] Error 1 shuffle=3093671401
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1281: prepare0] Error 2 shuffle=3093671401
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=3093671401
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:248: __sub-make] Error 2 shuffle=3093671401
make: Target 'prepare' not remade because of errors.
vim +958 arch/arm64/include/asm/pgtable.h
955
956 #define pud_valid(pud) false
957 #define pud_page_paddr(pud) ({ BUILD_BUG(); 0; })
> 958 #define pud_user false /* Always 0 with folding */
959 #define pud_user_exec(pud) pud_user(pud) /* Always 0 with folding */
960
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