From: kernel test robot <lkp@intel.com>
To: David Hildenbrand <david@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
mm-commits@vger.kernel.org
Subject: [akpm-mm:mm-new] BUILD REGRESSION 0587fb0c820d86e5b77a975680d79b5176d09abb
Date: Thu, 30 Apr 2026 16:20:57 +0800 [thread overview]
Message-ID: <202604301642.qko6fr77-lkp@intel.com> (raw)
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
branch HEAD: 0587fb0c820d86e5b77a975680d79b5176d09abb selftests/mm: add writable-file collapse tests for khugepaged
Error/Warning (recently discovered and may have been fixed):
https://lore.kernel.org/oe-kbuild-all/202604300401.oBmk76Q3-lkp@intel.com
https://lore.kernel.org/oe-kbuild-all/202604300638.A3yVzhM3-lkp@intel.com
https://lore.kernel.org/oe-kbuild-all/202604300817.QeXlZapz-lkp@intel.com
arch/riscv/mm/init.c:113:22: warning: implicit conversion from 'unsigned long long' to 'u32' (aka 'unsigned int') changes value from 1099511627776 to 0 [-Wconstant-conversion]
arch/riscv/mm/init.c:116:22: warning: implicit conversion from 'unsigned long long' to 'u32' (aka 'unsigned int') changes value from 1099511627776 to 0 [-Wconstant-conversion]
arch/sh/include/asm/fixmap.h:82:29: error: 'PAGE_KERNEL_NOCACHE' undeclared (first use in this function)
include/asm-generic/fixmap.h:107:26: error: use of undeclared identifier 'PAGE_KERNEL_IO'
include/asm-generic/fixmap.h:48:28: error: 'PAGE_KERNEL' undeclared (first use in this function)
include/asm-generic/fixmap.h:57:24: error: 'PAGE_KERNEL_IO' undeclared (first use in this function)
include/asm-generic/fixmap.h:77:2: error: call to undeclared function '__set_fixmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
include/asm-generic/fixmap.h:77:2: error: implicit declaration of function '__set_fixmap'; did you mean 'set_fixmap'? [-Werror=implicit-function-declaration]
include/asm-generic/fixmap.h:77:9: error: implicit declaration of function '__set_fixmap'; did you mean 'set_fixmap'? [-Werror=implicit-function-declaration]
include/asm-generic/fixmap.h:77:9: error: implicit declaration of function '__set_fixmap'; did you mean 'set_fixmap'? [-Wimplicit-function-declaration]
include/asm-generic/fixmap.h:84:40: error: use of undeclared identifier 'PAGE_KERNEL'
Error/Warning ids grouped by kconfigs:
recent_errors
|-- csky-allmodconfig
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- csky-randconfig-r051-20260430
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- csky-randconfig-r113-20260430
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- mips-allmodconfig
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- mips-allyesconfig
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- mips-randconfig-r052-20260430
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- mips-randconfig-r123-20260430
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- mips-xway_defconfig
| |-- include-asm-generic-fixmap.h:error:call-to-undeclared-function-__set_fixmap-ISO-C99-and-later-do-not-support-implicit-function-declarations
| |-- include-asm-generic-fixmap.h:error:use-of-undeclared-identifier-PAGE_KERNEL
| `-- include-asm-generic-fixmap.h:error:use-of-undeclared-identifier-PAGE_KERNEL_IO
|-- riscv-allmodconfig
| `-- arch-riscv-mm-init.c:warning:implicit-conversion-from-unsigned-long-long-to-u32-(aka-unsigned-int-)-changes-value-from-to
|-- riscv-allyesconfig
| `-- arch-riscv-mm-init.c:warning:implicit-conversion-from-unsigned-long-long-to-u32-(aka-unsigned-int-)-changes-value-from-to
|-- sh-allmodconfig
| |-- arch-sh-include-asm-fixmap.h:error:PAGE_KERNEL_NOCACHE-undeclared-(first-use-in-this-function)
| |-- include-asm-generic-fixmap.h:error:PAGE_KERNEL-undeclared-(first-use-in-this-function)
| `-- include-asm-generic-fixmap.h:error:PAGE_KERNEL_IO-undeclared-(first-use-in-this-function)
|-- xtensa-allyesconfig
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- xtensa-randconfig-r051-20260430
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
|-- xtensa-randconfig-r112-20260430
| `-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
`-- xtensa-randconfig-r122-20260430
`-- include-asm-generic-fixmap.h:error:implicit-declaration-of-function-__set_fixmap
elapsed time: 796m
configs tested: 160
configs skipped: 2
tested configs:
alpha allnoconfig gcc-15.2.0
alpha allyesconfig gcc-15.2.0
alpha defconfig gcc-15.2.0
arc allmodconfig gcc-15.2.0
arc allnoconfig gcc-15.2.0
arc allyesconfig gcc-15.2.0
arc defconfig gcc-15.2.0
arc randconfig-001-20260430 gcc-8.5.0
arc randconfig-002-20260430 gcc-8.5.0
arm allnoconfig clang-23
arm allyesconfig gcc-15.2.0
arm defconfig clang-23
arm randconfig-001-20260430 clang-16
arm randconfig-002-20260430 gcc-8.5.0
arm randconfig-003-20260430 gcc-12.5.0
arm randconfig-004-20260430 gcc-8.5.0
arm64 allmodconfig clang-19
arm64 allnoconfig gcc-15.2.0
arm64 defconfig gcc-15.2.0
arm64 randconfig-001-20260430 gcc-8.5.0
arm64 randconfig-002-20260430 clang-23
arm64 randconfig-003-20260430 clang-23
arm64 randconfig-004-20260430 clang-23
csky allmodconfig gcc-15.2.0
csky allnoconfig gcc-15.2.0
csky defconfig gcc-15.2.0
csky randconfig-001-20260430 gcc-15.2.0
csky randconfig-002-20260430 gcc-14.3.0
hexagon allmodconfig clang-17
hexagon allnoconfig clang-23
hexagon defconfig clang-23
hexagon randconfig-001-20260430 clang-23
hexagon randconfig-002-20260430 clang-23
i386 allmodconfig gcc-14
i386 allnoconfig gcc-14
i386 allyesconfig gcc-14
i386 buildonly-randconfig-001-20260430 gcc-14
i386 buildonly-randconfig-002-20260430 clang-20
i386 buildonly-randconfig-003-20260430 clang-20
i386 buildonly-randconfig-004-20260430 gcc-14
i386 buildonly-randconfig-005-20260430 gcc-14
i386 buildonly-randconfig-006-20260430 clang-20
i386 defconfig clang-20
i386 randconfig-001-20260430 clang-20
i386 randconfig-002-20260430 gcc-14
i386 randconfig-003-20260430 clang-20
i386 randconfig-004-20260430 clang-20
i386 randconfig-005-20260430 clang-20
i386 randconfig-006-20260430 clang-20
i386 randconfig-007-20260430 gcc-13
i386 randconfig-011-20260430 clang-20
i386 randconfig-012-20260430 gcc-14
i386 randconfig-013-20260430 clang-20
i386 randconfig-014-20260430 gcc-14
i386 randconfig-015-20260430 gcc-14
i386 randconfig-016-20260430 gcc-14
i386 randconfig-017-20260430 clang-20
loongarch allmodconfig clang-19
loongarch allnoconfig clang-23
loongarch defconfig clang-19
loongarch randconfig-001-20260430 gcc-14.3.0
loongarch randconfig-002-20260430 gcc-15.2.0
m68k allmodconfig gcc-15.2.0
m68k allnoconfig gcc-15.2.0
m68k allyesconfig gcc-15.2.0
m68k defconfig gcc-15.2.0
microblaze allnoconfig gcc-15.2.0
microblaze allyesconfig gcc-15.2.0
microblaze defconfig gcc-15.2.0
mips allmodconfig gcc-15.2.0
mips allnoconfig gcc-15.2.0
mips allyesconfig gcc-15.2.0
nios2 allmodconfig gcc-11.5.0
nios2 allnoconfig gcc-11.5.0
nios2 defconfig gcc-11.5.0
nios2 randconfig-001-20260430 gcc-11.5.0
nios2 randconfig-002-20260430 gcc-8.5.0
openrisc allmodconfig gcc-15.2.0
openrisc allnoconfig gcc-15.2.0
openrisc defconfig gcc-15.2.0
parisc allmodconfig gcc-15.2.0
parisc allnoconfig gcc-15.2.0
parisc allyesconfig gcc-15.2.0
parisc defconfig gcc-15.2.0
parisc randconfig-001-20260430 gcc-12.5.0
parisc randconfig-002-20260430 gcc-8.5.0
parisc64 defconfig gcc-15.2.0
powerpc allmodconfig gcc-15.2.0
powerpc allnoconfig gcc-15.2.0
powerpc randconfig-001-20260430 gcc-10.5.0
powerpc randconfig-002-20260430 clang-23
powerpc64 randconfig-001-20260430 gcc-13.4.0
powerpc64 randconfig-002-20260430 clang-20
riscv allmodconfig clang-23
riscv allnoconfig gcc-15.2.0
riscv allyesconfig clang-16
riscv defconfig clang-23
riscv randconfig-001-20260430 clang-23
riscv randconfig-002-20260430 clang-23
s390 allmodconfig clang-18
s390 allnoconfig clang-23
s390 allyesconfig gcc-15.2.0
s390 defconfig clang-23
s390 randconfig-001-20260430 clang-23
s390 randconfig-002-20260430 clang-23
sh allmodconfig gcc-15.2.0
sh allnoconfig gcc-15.2.0
sh allyesconfig gcc-15.2.0
sh defconfig gcc-15.2.0
sh randconfig-001-20260430 gcc-12.5.0
sh randconfig-002-20260430 gcc-10.5.0
sparc allnoconfig gcc-15.2.0
sparc defconfig gcc-15.2.0
sparc randconfig-001-20260430 gcc-12.5.0
sparc randconfig-002-20260430 gcc-11.5.0
sparc64 allmodconfig clang-23
sparc64 defconfig clang-20
sparc64 randconfig-001-20260430 clang-23
sparc64 randconfig-002-20260430 gcc-8.5.0
um allmodconfig clang-19
um allnoconfig clang-23
um allyesconfig gcc-14
um defconfig clang-23
um i386_defconfig gcc-14
um randconfig-001-20260430 clang-23
um randconfig-002-20260430 clang-23
um x86_64_defconfig clang-23
x86_64 allmodconfig clang-20
x86_64 allnoconfig clang-20
x86_64 allyesconfig clang-20
x86_64 buildonly-randconfig-001-20260430 clang-20
x86_64 buildonly-randconfig-002-20260430 clang-20
x86_64 buildonly-randconfig-003-20260430 clang-20
x86_64 buildonly-randconfig-004-20260430 clang-20
x86_64 buildonly-randconfig-005-20260430 gcc-14
x86_64 buildonly-randconfig-006-20260430 gcc-14
x86_64 defconfig gcc-14
x86_64 randconfig-001-20260430 gcc-14
x86_64 randconfig-002-20260430 gcc-12
x86_64 randconfig-003-20260430 gcc-14
x86_64 randconfig-004-20260430 clang-20
x86_64 randconfig-005-20260430 clang-20
x86_64 randconfig-006-20260430 clang-20
x86_64 randconfig-011-20260430 clang-20
x86_64 randconfig-012-20260430 clang-20
x86_64 randconfig-013-20260430 clang-20
x86_64 randconfig-014-20260430 gcc-13
x86_64 randconfig-015-20260430 clang-20
x86_64 randconfig-016-20260430 clang-20
x86_64 randconfig-071-20260430 clang-20
x86_64 randconfig-072-20260430 gcc-13
x86_64 randconfig-073-20260430 clang-20
x86_64 randconfig-074-20260430 clang-20
x86_64 randconfig-075-20260430 gcc-14
x86_64 randconfig-076-20260430 clang-20
x86_64 rhel-9.4-rust clang-20
xtensa allnoconfig gcc-15.2.0
xtensa allyesconfig gcc-15.2.0
xtensa randconfig-001-20260430 gcc-12.5.0
xtensa randconfig-002-20260430 gcc-12.5.0
--
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https://github.com/intel/lkp-tests/wiki
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