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Date: Fri, 4 Nov 2022 21:04:46 +0800
From: kernel test robot <lkp@...el.com>
To: "zhijun.han" <hanzj.it@...il.com>, arnd@...db.de
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
"zhijun.han" <hanzj.it@...il.com>
Subject: Re: [PATCH] mm: swap the definition of CONFIG_SPARSEMEM_VMEMMAP and
CONFIG_SPARSEMEM
Hi zhijun.han",
Thank you for the patch! Yet something to improve:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/zhijun-han/mm-swap-the-definition-of-CONFIG_SPARSEMEM_VMEMMAP-and-CONFIG_SPARSEMEM/20221104-113343
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20221104032808.24565-1-hanzj.it%40gmail.com
patch subject: [PATCH] mm: swap the definition of CONFIG_SPARSEMEM_VMEMMAP and CONFIG_SPARSEMEM
config: arm64-randconfig-r033-20221104
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 2bbafe04fe785a9469bea5a3737f8d7d3ce4aca2)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/04bf0fed9ff385e0baa59523172d54a9d91519f9
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review zhijun-han/mm-swap-the-definition-of-CONFIG_SPARSEMEM_VMEMMAP-and-CONFIG_SPARSEMEM/20221104-113343
git checkout 04bf0fed9ff385e0baa59523172d54a9d91519f9
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:18:
In file included from include/linux/crash_core.h:6:
In file included from include/linux/elfcore.h:11:
In file included from include/linux/ptrace.h:10:
In file included from include/linux/pid_namespace.h:7:
>> include/linux/mm.h:1495:9: error: call to undeclared function 'page_to_section'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return page_to_pfn(&folio->page);
^
include/asm-generic/memory_model.h:52:21: note: expanded from macro 'page_to_pfn'
#define page_to_pfn __page_to_pfn
^
include/asm-generic/memory_model.h:29:14: note: expanded from macro '__page_to_pfn'
int __sec = page_to_section(__pg); \
^
include/linux/mm.h:1495:9: note: did you mean '__nr_to_section'?
include/asm-generic/memory_model.h:52:21: note: expanded from macro 'page_to_pfn'
#define page_to_pfn __page_to_pfn
^
include/asm-generic/memory_model.h:29:14: note: expanded from macro '__page_to_pfn'
int __sec = page_to_section(__pg); \
^
include/linux/mmzone.h:1687:35: note: '__nr_to_section' declared here
static inline struct mem_section *__nr_to_section(unsigned long nr)
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:18:
In file included from include/linux/crash_core.h:6:
In file included from include/linux/elfcore.h:11:
In file included from include/linux/ptrace.h:10:
In file included from include/linux/pid_namespace.h:7:
include/linux/mm.h:1577:11: error: call to undeclared function 'page_to_section'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
int mt = get_pageblock_migratetype(page);
^
include/linux/mmzone.h:103:32: note: expanded from macro 'get_pageblock_migratetype'
get_pfnblock_flags_mask(page, page_to_pfn(page), MIGRATETYPE_MASK)
^
include/asm-generic/memory_model.h:52:21: note: expanded from macro 'page_to_pfn'
#define page_to_pfn __page_to_pfn
^
include/asm-generic/memory_model.h:29:14: note: expanded from macro '__page_to_pfn'
int __sec = page_to_section(__pg); \
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:18:
In file included from include/linux/crash_core.h:6:
In file included from include/linux/elfcore.h:11:
In file included from include/linux/ptrace.h:10:
In file included from include/linux/pid_namespace.h:7:
include/linux/mm.h:1583:18: error: call to undeclared function 'page_to_section'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if (is_zero_pfn(page_to_pfn(page)))
^
include/asm-generic/memory_model.h:52:21: note: expanded from macro 'page_to_pfn'
#define page_to_pfn __page_to_pfn
^
include/asm-generic/memory_model.h:29:14: note: expanded from macro '__page_to_pfn'
int __sec = page_to_section(__pg); \
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:18:
In file included from include/linux/crash_core.h:6:
In file included from include/linux/elfcore.h:11:
In file included from include/linux/ptrace.h:10:
In file included from include/linux/pid_namespace.h:7:
include/linux/mm.h:1723:9: error: call to undeclared function 'page_to_section'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return page_to_virt(page);
^
arch/arm64/include/asm/memory.h:341:22: note: expanded from macro 'page_to_virt'
void *__addr = __va(page_to_phys(__page)); \
^
arch/arm64/include/asm/memory.h:301:43: note: expanded from macro 'page_to_phys'
#define page_to_phys(page) (__pfn_to_phys(page_to_pfn(page)))
^
include/asm-generic/memory_model.h:52:21: note: expanded from macro 'page_to_pfn'
#define page_to_pfn __page_to_pfn
^
include/asm-generic/memory_model.h:29:14: note: expanded from macro '__page_to_pfn'
int __sec = page_to_section(__pg); \
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:33:
include/linux/compat.h:456:22: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:33:
include/linux/compat.h:456:10: warning: array index 7 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:456:42: warning: array index 6 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:456:53: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:33:
include/linux/compat.h:458:22: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:33:
include/linux/compat.h:458:10: warning: array index 5 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:458:42: warning: array index 4 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:458:53: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:33:
include/linux/compat.h:460:22: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
In file included from include/linux/kexec.h:33:
include/linux/compat.h:460:10: warning: array index 3 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:460:42: warning: array index 2 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
^ ~
include/linux/compat.h:131:2: note: array 'sig' declared here
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
^
include/linux/compat.h:460:53: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
unsigned long sig[_NSIG_WORDS];
^
In file included from arch/arm64/kernel/asm-offsets.c:12:
>> include/linux/kexec.h:447:9: error: call to undeclared function 'page_to_section'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return page_to_pfn(page);
^
include/asm-generic/memory_model.h:52:21: note: expanded from macro 'page_to_pfn'
#define page_to_pfn __page_to_pfn
^
include/asm-generic/memory_model.h:29:14: note: expanded from macro '__page_to_pfn'
int __sec = page_to_section(__pg); \
^
In file included from arch/arm64/kernel/asm-offsets.c:14:
In file included from include/linux/dma-mapping.h:10:
>> include/linux/scatterlist.h:329:9: error: call to undeclared function 'page_to_section'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return page_to_phys(sg_page(sg)) + sg->offset;
^
arch/arm64/include/asm/memory.h:301:43: note: expanded from macro 'page_to_phys'
#define page_to_phys(page) (__pfn_to_phys(page_to_pfn(page)))
^
include/asm-generic/memory_model.h:52:21: note: expanded from macro 'page_to_pfn'
#define page_to_pfn __page_to_pfn
^
include/asm-generic/memory_model.h:29:14: note: expanded from macro '__page_to_pfn'
int __sec = page_to_section(__pg); \
^
12 warnings and 6 errors generated.
make[2]: *** [scripts/Makefile.build:118: arch/arm64/kernel/asm-offsets.s] Error 1
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:1270: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:231: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/page_to_section +1495 include/linux/mm.h
d41dee369bff3b Andy Whitcroft 2005-06-23 1483
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1484) /**
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1485) * folio_pfn - Return the Page Frame Number of a folio.
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1486) * @folio: The folio.
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1487) *
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1488) * A folio may contain multiple pages. The pages have consecutive
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1489) * Page Frame Numbers.
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1490) *
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1491) * Return: The Page Frame Number of the first page in the folio.
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1492) */
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1493) static inline unsigned long folio_pfn(struct folio *folio)
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1494) {
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 @1495) return page_to_pfn(&folio->page);
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1496) }
bf6bd276b374d4 Matthew Wilcox (Oracle 2021-05-07 1497)
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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