* [akpm-mm:mm-new] BUILD SUCCESS WITH WARNING 15654b0268cd65b4e673510c0377774e61b86397
@ 2026-06-30 18:30 kernel test robot
2026-06-30 18:41 ` Andrew Morton
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2026-06-30 18:30 UTC (permalink / raw)
To: David Hildenbrand; +Cc: Andrew Morton, Linux Memory Management List, mm-commits
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
branch HEAD: 15654b0268cd65b4e673510c0377774e61b86397 mm/swap, PM: hibernate: atomically replace hibernation pin
Warning (recently discovered and may have been fixed):
https://lore.kernel.org/oe-kbuild-all/202606291606.9h8aGniQ-lkp@intel.com
https://lore.kernel.org/oe-kbuild-all/202606291933.Cw5TBs54-lkp@intel.com
mm/vmalloc.c:3590:16: warning: unused variable 'start' [-Wunused-variable]
mm/vmalloc.c:3590:23: warning: unused variable 'start' [-Wunused-variable]
mm/zsmalloc.c:1480:21: warning: 'obj_to_class_idx' defined but not used [-Wunused-function]
Warning ids grouped by kconfigs:
recent_errors
|-- arc-allmodconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- arc-allnoconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- arc-allyesconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- arc-defconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- arc-randconfig-001-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- arc-randconfig-002-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- arc-randconfig-r121-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- csky-allmodconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- csky-allnoconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- csky-defconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- csky-randconfig-001-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- csky-randconfig-002-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- csky-randconfig-r072-20260630
| |-- mm-vmalloc.c:warning:unused-variable-start
| `-- mm-zsmalloc.c:warning:obj_to_class_idx-defined-but-not-used
|-- i386-buildonly-randconfig-001
| `-- mm-zsmalloc.c:warning:obj_to_class_idx-defined-but-not-used
|-- i386-randconfig-051-20260630
| `-- mm-zsmalloc.c:warning:obj_to_class_idx-defined-but-not-used
|-- i386-randconfig-141
| `-- mm-zsmalloc.c:warning:obj_to_class_idx-defined-but-not-used
|-- loongarch-allmodconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- loongarch-allnoconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- loongarch-allyesconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- loongarch-defconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- loongarch-randconfig-001-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- loongarch-randconfig-r063-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- m68k-allmodconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- m68k-allyesconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- m68k-defconfig
| |-- mm-vmalloc.c:warning:unused-variable-start
| `-- mm-zsmalloc.c:warning:obj_to_class_idx-defined-but-not-used
|-- openrisc-randconfig-r134-20260630
| `-- mm-zsmalloc.c:warning:obj_to_class_idx-defined-but-not-used
|-- sh-defconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sh-randconfig-001-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc-allnoconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc-defconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc-randconfig-001-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc-randconfig-002-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc-randconfig-r053-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc-randconfig-r071-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc64-allmodconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc64-defconfig
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc64-randconfig-001-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
|-- sparc64-randconfig-002-20260630
| `-- mm-vmalloc.c:warning:unused-variable-start
`-- sparc64-randconfig-r111-20260630
`-- mm-vmalloc.c:warning:unused-variable-start
elapsed time: 776m
configs tested: 319
configs skipped: 17
tested configs:
alpha allnoconfig gcc-16.1.0
alpha allyesconfig gcc-16.1.0
alpha defconfig gcc-16.1.0
arc allmodconfig clang-23
arc allmodconfig gcc-16.1.0
arc allnoconfig gcc-16.1.0
arc allyesconfig clang-23
arc allyesconfig gcc-16.1.0
arc defconfig gcc-16.1.0
arc randconfig-001-20260630 clang-23
arc randconfig-001-20260630 gcc-12.5.0
arc randconfig-001-20260701 gcc-12.5.0
arc randconfig-002-20260630 clang-23
arc randconfig-002-20260630 gcc-10.5.0
arc randconfig-002-20260701 gcc-12.5.0
arm allnoconfig clang-17
arm allnoconfig gcc-16.1.0
arm allyesconfig clang-23
arm allyesconfig gcc-16.1.0
arm defconfig clang-23
arm defconfig gcc-16.1.0
arm randconfig-001-20260630 clang-23
arm randconfig-001-20260701 gcc-12.5.0
arm randconfig-002-20260630 clang-23
arm randconfig-002-20260701 gcc-12.5.0
arm randconfig-003-20260630 clang-23
arm randconfig-003-20260630 gcc-8.5.0
arm randconfig-003-20260701 gcc-12.5.0
arm randconfig-004-20260630 clang-23
arm randconfig-004-20260630 gcc-8.5.0
arm randconfig-004-20260701 gcc-12.5.0
arm64 allmodconfig clang-23
arm64 allnoconfig gcc-16.1.0
arm64 defconfig gcc-16.1.0
arm64 randconfig-001-20260630 clang-17
arm64 randconfig-001-20260630 clang-23
arm64 randconfig-002-20260630 clang-23
arm64 randconfig-003-20260630 clang-23
arm64 randconfig-004-20260630 clang-23
arm64 randconfig-004-20260630 gcc-10.5.0
csky allmodconfig gcc-16.1.0
csky allnoconfig gcc-16.1.0
csky defconfig gcc-16.1.0
csky randconfig-001-20260630 clang-23
csky randconfig-001-20260630 gcc-14.3.0
csky randconfig-002-20260630 clang-23
csky randconfig-002-20260630 gcc-16.1.0
hexagon allmodconfig gcc-16.1.0
hexagon allnoconfig clang-23
hexagon allnoconfig gcc-16.1.0
hexagon defconfig clang-23
hexagon defconfig gcc-16.1.0
hexagon randconfig-001-20260630 clang-18
hexagon randconfig-002-20260630 clang-18
hexagon randconfig-002-20260630 clang-23
i386 allmodconfig clang-22
i386 allmodconfig gcc-14
i386 allnoconfig gcc-14
i386 allnoconfig gcc-16.1.0
i386 allyesconfig clang-22
i386 buildonly-randconfig-001 clang-22
i386 buildonly-randconfig-001 gcc-14
i386 buildonly-randconfig-001-20260630 clang-22
i386 buildonly-randconfig-002 clang-22
i386 buildonly-randconfig-002-20260630 clang-22
i386 buildonly-randconfig-003 clang-22
i386 buildonly-randconfig-003-20260630 clang-22
i386 buildonly-randconfig-003-20260630 gcc-13
i386 buildonly-randconfig-004 clang-22
i386 buildonly-randconfig-004 gcc-14
i386 buildonly-randconfig-004-20260630 clang-22
i386 buildonly-randconfig-005 clang-22
i386 buildonly-randconfig-005 gcc-14
i386 buildonly-randconfig-005-20260630 clang-22
i386 buildonly-randconfig-006 clang-22
i386 buildonly-randconfig-006 gcc-14
i386 buildonly-randconfig-006-20260630 clang-22
i386 buildonly-randconfig-006-20260630 gcc-14
i386 defconfig clang-22
i386 defconfig gcc-16.1.0
i386 randconfig-001-20260630 clang-22
i386 randconfig-002-20260630 clang-22
i386 randconfig-003-20260630 clang-22
i386 randconfig-003-20260630 gcc-14
i386 randconfig-004-20260630 clang-22
i386 randconfig-005-20260630 clang-22
i386 randconfig-006-20260630 clang-22
i386 randconfig-007-20260630 clang-22
i386 randconfig-011 gcc-12
i386 randconfig-011-20260630 gcc-12
i386 randconfig-011-20260630 gcc-14
i386 randconfig-012 gcc-12
i386 randconfig-012-20260630 clang-22
i386 randconfig-012-20260630 gcc-12
i386 randconfig-013 gcc-12
i386 randconfig-013-20260630 gcc-12
i386 randconfig-014 gcc-12
i386 randconfig-014-20260630 clang-22
i386 randconfig-014-20260630 gcc-12
i386 randconfig-015 gcc-12
i386 randconfig-015-20260630 gcc-12
i386 randconfig-015-20260630 gcc-14
i386 randconfig-016 gcc-12
i386 randconfig-016-20260630 gcc-12
i386 randconfig-017 gcc-12
i386 randconfig-017-20260630 clang-22
i386 randconfig-017-20260630 gcc-12
loongarch allmodconfig clang-19
loongarch allmodconfig clang-23
loongarch allnoconfig clang-20
loongarch allnoconfig gcc-16.1.0
loongarch defconfig clang-23
loongarch randconfig-001-20260630 clang-18
loongarch randconfig-001-20260630 clang-23
loongarch randconfig-002-20260630 clang-18
m68k alldefconfig gcc-16.1.0
m68k allmodconfig gcc-16.1.0
m68k allnoconfig gcc-16.1.0
m68k allyesconfig clang-23
m68k allyesconfig gcc-16.1.0
m68k defconfig clang-23
m68k defconfig gcc-16.1.0
microblaze allnoconfig gcc-16.1.0
microblaze allyesconfig gcc-16.1.0
microblaze defconfig clang-23
microblaze defconfig gcc-16.1.0
mips allmodconfig gcc-16.1.0
mips allnoconfig gcc-16.1.0
mips allyesconfig gcc-16.1.0
mips malta_kvm_defconfig gcc-16.1.0
nios2 allmodconfig clang-20
nios2 allmodconfig gcc-11.5.0
nios2 allnoconfig clang-23
nios2 allnoconfig gcc-11.5.0
nios2 defconfig clang-23
nios2 defconfig gcc-11.5.0
nios2 randconfig-001-20260630 clang-18
nios2 randconfig-001-20260630 gcc-11.5.0
nios2 randconfig-002-20260630 clang-18
nios2 randconfig-002-20260630 gcc-11.5.0
openrisc allmodconfig clang-20
openrisc allmodconfig gcc-16.1.0
openrisc allnoconfig clang-23
openrisc allnoconfig gcc-16.1.0
openrisc defconfig gcc-16.1.0
parisc allmodconfig gcc-16.1.0
parisc allnoconfig clang-23
parisc allnoconfig gcc-16.1.0
parisc allyesconfig clang-17
parisc allyesconfig gcc-16.1.0
parisc defconfig gcc-16.1.0
parisc randconfig-001-20260630 clang-22
parisc randconfig-001-20260630 gcc-13.4.0
parisc randconfig-002-20260630 clang-22
parisc randconfig-002-20260630 gcc-15.2.0
parisc64 defconfig clang-23
parisc64 defconfig gcc-16.1.0
powerpc allmodconfig gcc-16.1.0
powerpc allnoconfig clang-23
powerpc allnoconfig gcc-16.1.0
powerpc randconfig-001-20260630 clang-17
powerpc randconfig-001-20260630 clang-22
powerpc randconfig-002-20260630 clang-22
powerpc64 randconfig-001-20260630 clang-22
powerpc64 randconfig-001-20260630 clang-23
powerpc64 randconfig-002-20260630 clang-22
powerpc64 randconfig-002-20260630 gcc-14.3.0
riscv allmodconfig clang-23
riscv allnoconfig clang-23
riscv allnoconfig gcc-16.1.0
riscv allyesconfig clang-23
riscv defconfig clang-23
riscv defconfig gcc-16.1.0
riscv randconfig-001 gcc-9.5.0
riscv randconfig-001-20260630 clang-23
riscv randconfig-001-20260630 gcc-9.5.0
riscv randconfig-002 gcc-9.5.0
riscv randconfig-002-20260630 clang-23
riscv randconfig-002-20260630 gcc-9.5.0
s390 allmodconfig clang-17
s390 allmodconfig clang-23
s390 allnoconfig clang-23
s390 allyesconfig gcc-16.1.0
s390 defconfig clang-18
s390 defconfig gcc-16.1.0
s390 randconfig-001 gcc-9.5.0
s390 randconfig-001-20260630 gcc-9.5.0
s390 randconfig-002 gcc-9.5.0
s390 randconfig-002-20260630 clang-23
s390 randconfig-002-20260630 gcc-9.5.0
sh allmodconfig gcc-16.1.0
sh allnoconfig clang-23
sh allnoconfig gcc-16.1.0
sh allyesconfig clang-17
sh allyesconfig gcc-16.1.0
sh defconfig gcc-14
sh defconfig gcc-16.1.0
sh randconfig-001 gcc-9.5.0
sh randconfig-001-20260630 gcc-16.1.0
sh randconfig-001-20260630 gcc-9.5.0
sh randconfig-002 gcc-9.5.0
sh randconfig-002-20260630 gcc-16.1.0
sh randconfig-002-20260630 gcc-9.5.0
sparc allnoconfig clang-23
sparc allnoconfig gcc-16.1.0
sparc defconfig gcc-16.1.0
sparc randconfig-001 clang-17
sparc randconfig-001-20260630 clang-17
sparc randconfig-001-20260630 gcc-8.5.0
sparc randconfig-002 clang-17
sparc randconfig-002-20260630 clang-17
sparc randconfig-002-20260630 gcc-13.4.0
sparc64 allmodconfig clang-20
sparc64 defconfig clang-23
sparc64 defconfig gcc-14
sparc64 randconfig-001 clang-17
sparc64 randconfig-001-20260630 clang-17
sparc64 randconfig-001-20260630 gcc-11.5.0
sparc64 randconfig-002 clang-17
sparc64 randconfig-002-20260630 clang-17
sparc64 randconfig-002-20260630 gcc-8.5.0
um allmodconfig clang-17
um allnoconfig clang-17
um allnoconfig clang-23
um allyesconfig gcc-14
um allyesconfig gcc-16.1.0
um defconfig clang-23
um defconfig gcc-14
um i386_defconfig gcc-14
um randconfig-001 clang-17
um randconfig-001-20260630 clang-17
um randconfig-002 clang-17
um randconfig-002-20260630 clang-17
um x86_64_defconfig clang-23
um x86_64_defconfig gcc-14
x86_64 allmodconfig clang-22
x86_64 allnoconfig clang-22
x86_64 allnoconfig clang-23
x86_64 allyesconfig clang-22
x86_64 buildonly-randconfig-001 clang-22
x86_64 buildonly-randconfig-001-20260630 clang-22
x86_64 buildonly-randconfig-002 clang-22
x86_64 buildonly-randconfig-002-20260630 clang-22
x86_64 buildonly-randconfig-002-20260630 gcc-14
x86_64 buildonly-randconfig-003 clang-22
x86_64 buildonly-randconfig-003-20260630 clang-22
x86_64 buildonly-randconfig-004 clang-22
x86_64 buildonly-randconfig-004-20260630 clang-22
x86_64 buildonly-randconfig-005 clang-22
x86_64 buildonly-randconfig-005-20260630 clang-22
x86_64 buildonly-randconfig-006 clang-22
x86_64 buildonly-randconfig-006-20260630 clang-22
x86_64 defconfig gcc-14
x86_64 kexec clang-22
x86_64 randconfig-001 gcc-14
x86_64 randconfig-001-20260630 clang-22
x86_64 randconfig-001-20260630 gcc-14
x86_64 randconfig-002 gcc-14
x86_64 randconfig-002-20260630 clang-22
x86_64 randconfig-002-20260630 gcc-14
x86_64 randconfig-003 gcc-14
x86_64 randconfig-003-20260630 clang-22
x86_64 randconfig-003-20260630 gcc-14
x86_64 randconfig-004 gcc-14
x86_64 randconfig-004-20260630 clang-22
x86_64 randconfig-004-20260630 gcc-14
x86_64 randconfig-005 gcc-14
x86_64 randconfig-005-20260630 clang-22
x86_64 randconfig-005-20260630 gcc-14
x86_64 randconfig-006 gcc-14
x86_64 randconfig-006-20260630 gcc-14
x86_64 randconfig-011-20260630 clang-22
x86_64 randconfig-011-20260630 gcc-14
x86_64 randconfig-012-20260630 gcc-14
x86_64 randconfig-013-20260630 gcc-14
x86_64 randconfig-014-20260630 clang-22
x86_64 randconfig-014-20260630 gcc-14
x86_64 randconfig-015-20260630 clang-22
x86_64 randconfig-015-20260630 gcc-14
x86_64 randconfig-016-20260630 gcc-14
x86_64 randconfig-071 gcc-13
x86_64 randconfig-071-20260630 clang-22
x86_64 randconfig-071-20260630 gcc-13
x86_64 randconfig-071-20260630 gcc-14
x86_64 randconfig-072 gcc-13
x86_64 randconfig-072-20260630 clang-22
x86_64 randconfig-072-20260630 gcc-13
x86_64 randconfig-072-20260630 gcc-14
x86_64 randconfig-073 gcc-13
x86_64 randconfig-073-20260630 clang-22
x86_64 randconfig-073-20260630 gcc-13
x86_64 randconfig-074 gcc-13
x86_64 randconfig-074-20260630 clang-22
x86_64 randconfig-074-20260630 gcc-13
x86_64 randconfig-075 gcc-13
x86_64 randconfig-075-20260630 clang-22
x86_64 randconfig-075-20260630 gcc-13
x86_64 randconfig-075-20260630 gcc-14
x86_64 randconfig-076 gcc-13
x86_64 randconfig-076-20260630 clang-22
x86_64 randconfig-076-20260630 gcc-13
x86_64 rhel-9.4 clang-22
x86_64 rhel-9.4-bpf gcc-14
x86_64 rhel-9.4-func clang-22
x86_64 rhel-9.4-kselftests clang-22
x86_64 rhel-9.4-kunit gcc-14
x86_64 rhel-9.4-ltp gcc-14
x86_64 rhel-9.4-rust clang-22
xtensa allnoconfig clang-23
xtensa allnoconfig gcc-16.1.0
xtensa allyesconfig clang-20
xtensa allyesconfig gcc-16.1.0
xtensa randconfig-001 clang-17
xtensa randconfig-001-20260630 clang-17
xtensa randconfig-001-20260630 gcc-15.2.0
xtensa randconfig-002 clang-17
xtensa randconfig-002-20260630 clang-17
xtensa randconfig-002-20260630 gcc-13.4.0
xtensa smp_lx200_defconfig gcc-16.1.0
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [akpm-mm:mm-new] BUILD SUCCESS WITH WARNING 15654b0268cd65b4e673510c0377774e61b86397
2026-06-30 18:30 [akpm-mm:mm-new] BUILD SUCCESS WITH WARNING 15654b0268cd65b4e673510c0377774e61b86397 kernel test robot
@ 2026-06-30 18:41 ` Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2026-06-30 18:41 UTC (permalink / raw)
To: kernel test robot
Cc: David Hildenbrand, Linux Memory Management List, mm-commits,
Barry Song
On Wed, 01 Jul 2026 02:30:11 +0800 kernel test robot <lkp@intel.com> wrote:
> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
> branch HEAD: 15654b0268cd65b4e673510c0377774e61b86397 mm/swap, PM: hibernate: atomically replace hibernation pin
>
> Warning (recently discovered and may have been fixed):
>
> https://lore.kernel.org/oe-kbuild-all/202606291606.9h8aGniQ-lkp@intel.com
> https://lore.kernel.org/oe-kbuild-all/202606291933.Cw5TBs54-lkp@intel.com
>
> mm/vmalloc.c:3590:16: warning: unused variable 'start' [-Wunused-variable]
> mm/vmalloc.c:3590:23: warning: unused variable 'start' [-Wunused-variable]
Sigh, OK, I surrender. Below.
> mm/zsmalloc.c:1480:21: warning: 'obj_to_class_idx' defined but not used [-Wunused-function]
hm, I think I (re)fixed that one.
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-vmalloc-map-contiguous-pages-in-batches-for-vmap-if-possible-fix
Date: Tue Jun 30 11:35:55 AM PDT 2026
avoid warnings on architectures whose flush_cache_vmap() don't reference
their args
Cc: Andrew Donnellan <ajd@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: "Barry Song (Xiaomi)" <baohua@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Leo Yan <leo.yan@arm.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Uladzislau Rezki <urezki@gmail.com>
Cc: Wen Jiang <jiangwen6@xiaomi.com>
Cc: Wen Jiang <jiangwenxiaomi@gmail.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xueyuan Chen <xueyuan.chen21@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/vmalloc.c | 1 +
1 file changed, 1 insertion(+)
--- a/mm/vmalloc.c~mm-vmalloc-map-contiguous-pages-in-batches-for-vmap-if-possible-fix
+++ a/mm/vmalloc.c
@@ -3629,6 +3629,7 @@ static int vmap_batched(unsigned long ad
prot, pages + idx, prev_shift);
out:
+ (void)start; /* several archs use a macro for flush_cache_vmap() */
flush_cache_vmap(start, end);
return err;
}
_
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2026-06-30 18:30 [akpm-mm:mm-new] BUILD SUCCESS WITH WARNING 15654b0268cd65b4e673510c0377774e61b86397 kernel test robot
2026-06-30 18:41 ` Andrew Morton
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