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Message-ID: <202301241100.GAjve4Wl-lkp@intel.com>
Date: Tue, 24 Jan 2023 11:23:10 +0800
From: kernel test robot <lkp@...el.com>
To: "Vishal Moola (Oracle)" <vishal.moola@...il.com>,
linux-mm@...ck.org
Cc: oe-kbuild-all@...ts.linux.dev, akpm@...ux-foundation.org,
linux-kernel@...r.kernel.org,
"Vishal Moola (Oracle)" <vishal.moola@...il.com>
Subject: Re: [PATCH mm-unstable v2 1/6] mm: Add folio_estimated_mapcount()
Hi Vishal,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on next-20230123]
[cannot apply to linus/master v6.2-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Vishal-Moola-Oracle/mm-Add-folio_estimated_mapcount/20230124-092349
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20230124012210.13963-2-vishal.moola%40gmail.com
patch subject: [PATCH mm-unstable v2 1/6] mm: Add folio_estimated_mapcount()
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230124/202301241100.GAjve4Wl-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 12.1.0
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
# https://github.com/intel-lab-lkp/linux/commit/2ec1fab96da69cd5e71330186987468d7d1a2595
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Vishal-Moola-Oracle/mm-Add-folio_estimated_mapcount/20230124-092349
git checkout 2ec1fab96da69cd5e71330186987468d7d1a2595
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=alpha olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=alpha 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/alpha/include/asm/page.h:93,
from include/linux/shm.h:6,
from include/linux/sched.h:16,
from arch/alpha/kernel/asm-offsets.c:10:
include/linux/mm.h: In function 'folio_estimated_mapcount':
>> include/asm-generic/memory_model.h:35:21: error: implicit declaration of function 'page_to_section'; did you mean 'present_section'? [-Werror=implicit-function-declaration]
35 | int __sec = page_to_section(__pg); \
| ^~~~~~~~~~~~~~~
include/asm-generic/memory_model.h:40:32: note: in definition of macro '__pfn_to_page'
40 | ({ unsigned long __pfn = (pfn); \
| ^~~
include/asm-generic/memory_model.h:52:21: note: in expansion of macro '__page_to_pfn'
52 | #define page_to_pfn __page_to_pfn
| ^~~~~~~~~~~~~
include/linux/mm.h:216:38: note: in expansion of macro 'page_to_pfn'
216 | #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
| ^~~~~~~~~~~
include/linux/page-flags.h:286:33: note: in expansion of macro 'nth_page'
286 | #define folio_page(folio, n) nth_page(&(folio)->page, n)
| ^~~~~~~~
include/linux/mm.h:918:30: note: in expansion of macro 'folio_page'
918 | return page_mapcount(folio_page(folio, 0));
| ^~~~~~~~~~
In file included from include/linux/pid_namespace.h:7,
from include/linux/ptrace.h:10,
from arch/alpha/kernel/asm-offsets.c:11:
include/linux/mm.h: At top level:
>> include/linux/mm.h:1626:29: error: conflicting types for 'page_to_section'; have 'long unsigned int(const struct page *)'
1626 | static inline unsigned long page_to_section(const struct page *page)
| ^~~~~~~~~~~~~~~
include/asm-generic/memory_model.h:35:21: note: previous implicit declaration of 'page_to_section' with type 'int()'
35 | int __sec = page_to_section(__pg); \
| ^~~~~~~~~~~~~~~
include/asm-generic/memory_model.h:40:32: note: in definition of macro '__pfn_to_page'
40 | ({ unsigned long __pfn = (pfn); \
| ^~~
include/asm-generic/memory_model.h:52:21: note: in expansion of macro '__page_to_pfn'
52 | #define page_to_pfn __page_to_pfn
| ^~~~~~~~~~~~~
include/linux/mm.h:216:38: note: in expansion of macro 'page_to_pfn'
216 | #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
| ^~~~~~~~~~~
include/linux/page-flags.h:286:33: note: in expansion of macro 'nth_page'
286 | #define folio_page(folio, n) nth_page(&(folio)->page, n)
| ^~~~~~~~
include/linux/mm.h:918:30: note: in expansion of macro 'folio_page'
918 | return page_mapcount(folio_page(folio, 0));
| ^~~~~~~~~~
arch/alpha/kernel/asm-offsets.c:15:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
15 | void foo(void)
| ^~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:114: arch/alpha/kernel/asm-offsets.s] Error 1
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:1286: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:242: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +1626 include/linux/mm.h
bf4e8902ee5080 Daniel Kiper 2011-05-24 1625
aa462abe8aaf21 Ian Campbell 2011-08-17 @1626 static inline unsigned long page_to_section(const struct page *page)
d41dee369bff3b Andy Whitcroft 2005-06-23 1627 {
d41dee369bff3b Andy Whitcroft 2005-06-23 1628 return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;
d41dee369bff3b Andy Whitcroft 2005-06-23 1629 }
308c05e35e3517 Christoph Lameter 2008-04-28 1630 #endif
d41dee369bff3b Andy Whitcroft 2005-06-23 1631
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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