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Message-ID: <202212202002.O4fBWdry-lkp@intel.com>
Date: Tue, 20 Dec 2022 20:42:52 +0800
From: kernel test robot <lkp@...el.com>
To: Chih-En Lin <shiyn.lin@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Qi Zheng <zhengqi.arch@...edance.com>,
David Hildenbrand <david@...hat.com>,
Matthew Wilcox <willy@...radead.org>,
Christophe Leroy <christophe.leroy@...roup.eu>,
John Hubbard <jhubbard@...dia.com>,
Nadav Amit <namit@...are.com>
Cc: oe-kbuild-all@...ts.linux.dev,
Linux Memory Management List <linux-mm@...ck.org>,
linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Yang Shi <shy828301@...il.com>, Peter Xu <peterx@...hat.com>,
Zach O'Keefe <zokeefe@...gle.com>,
"Liam R . Howlett" <Liam.Howlett@...cle.com>,
Alex Sierra <alex.sierra@....com>,
Xianting Tian <xianting.tian@...ux.alibaba.com>,
Colin Cross <ccross@...gle.com>,
Suren Baghdasaryan <surenb@...gle.com>,
Barry Song <baohua@...nel.org>,
Pasha Tatashin <pasha.tatashin@...een.com>,
Suleiman Souhlal <suleiman@...gle.com>,
Brian Geffon <bgeffon@...gle.com>
Subject: Re: [PATCH v3 02/14] mm: Add Copy-On-Write PTE to fork()
Hi Chih-En,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on v6.1-rc7]
[also build test ERROR on next-20221220]
[cannot apply to akpm-mm/mm-everything tip/perf/core acme/perf/core linus/master v6.1 v6.1-rc8]
[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/Chih-En-Lin/Introduce-Copy-On-Write-to-Page-Table/20221220-153207
patch link: https://lore.kernel.org/r/20221220072743.3039060-3-shiyn.lin%40gmail.com
patch subject: [PATCH v3 02/14] mm: Add Copy-On-Write PTE to fork()
config: s390-allmodconfig
compiler: s390-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/7ddfab485179ecb834e4fcdf1fe401837d9d33a5
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Chih-En-Lin/Introduce-Copy-On-Write-to-Page-Table/20221220-153207
git checkout 7ddfab485179ecb834e4fcdf1fe401837d9d33a5
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash
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/s390/include/asm/page.h:208,
from arch/s390/include/asm/thread_info.h:26,
from include/linux/thread_info.h:60,
from arch/s390/include/asm/preempt.h:6,
from include/linux/preempt.h:78,
from include/linux/smp.h:110,
from include/linux/kernel_stat.h:5,
from mm/memory.c:42:
mm/memory.c: In function 'copy_cow_pte_range':
>> include/asm-generic/memory_model.h:25:33: error: initialization of 'pgtable_t' {aka 'pte_t *'} from incompatible pointer type 'struct page *' [-Werror=incompatible-pointer-types]
25 | #define __pfn_to_page(pfn) (vmemmap + (pfn))
| ^
include/asm-generic/memory_model.h:53:21: note: in expansion of macro '__pfn_to_page'
53 | #define pfn_to_page __pfn_to_page
| ^~~~~~~~~~~~~
arch/s390/include/asm/pgtable.h:1411:23: note: in expansion of macro 'pfn_to_page'
1411 | #define pmd_page(pmd) pfn_to_page(pmd_pfn(pmd))
| ^~~~~~~~~~~
mm/memory.c:1188:31: note: in expansion of macro 'pmd_page'
1188 | pgtable_t pte_table = pmd_page(*src_pmd);
| ^~~~~~~~
cc1: some warnings being treated as errors
vim +25 include/asm-generic/memory_model.h
8f6aac419bd590 Christoph Lameter 2007-10-16 23
af901ca181d92a André Goddard Rosa 2009-11-14 24 /* memmap is virtually contiguous. */
8f6aac419bd590 Christoph Lameter 2007-10-16 @25 #define __pfn_to_page(pfn) (vmemmap + (pfn))
32272a26974d20 Martin Schwidefsky 2008-12-25 26 #define __page_to_pfn(page) (unsigned long)((page) - vmemmap)
8f6aac419bd590 Christoph Lameter 2007-10-16 27
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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