From: kernel test robot <lkp@intel.com>
To: Ankur Arora <ankur.a.arora@oracle.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
akpm@linux-foundation.org, david@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, hpa@zytor.com, mingo@redhat.com,
mjguzik@gmail.com, luto@kernel.org, peterz@infradead.org,
acme@kernel.org, namhyung@kernel.org, tglx@linutronix.de,
willy@infradead.org, raghavendra.kt@amd.com,
boris.ostrovsky@oracle.com, konrad.wilk@oracle.com,
ankur.a.arora@oracle.com
Subject: Re: [PATCH v6 11/15] mm: define clear_pages(), clear_user_pages()
Date: Wed, 3 Sep 2025 03:56:55 +0800 [thread overview]
Message-ID: <202509030341.jBuh7Fma-lkp@intel.com> (raw)
In-Reply-To: <20250902080816.3715913-12-ankur.a.arora@oracle.com>
Hi Ankur,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Ankur-Arora/perf-bench-mem-Remove-repetition-around-time-measurement/20250902-161417
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20250902080816.3715913-12-ankur.a.arora%40oracle.com
patch subject: [PATCH v6 11/15] mm: define clear_pages(), clear_user_pages()
config: arm-randconfig-002-20250903 (https://download.01.org/0day-ci/archive/20250903/202509030341.jBuh7Fma-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250903/202509030341.jBuh7Fma-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509030341.jBuh7Fma-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/arm/kernel/asm-offsets.c:12:
>> include/linux/mm.h:3886:3: error: call to undeclared function 'clear_user_page'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
clear_user_page(addr + i * PAGE_SIZE,
^
include/linux/mm.h:3886:3: note: did you mean 'clear_user_pages'?
include/linux/mm.h:3882:20: note: 'clear_user_pages' declared here
static inline void clear_user_pages(void *addr, unsigned long vaddr,
^
1 error generated.
make[3]: *** [scripts/Makefile.build:182: arch/arm/kernel/asm-offsets.s] Error 1 shuffle=1003087465
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1282: prepare0] Error 2 shuffle=1003087465
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=1003087465
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:248: __sub-make] Error 2 shuffle=1003087465
make: Target 'prepare' not remade because of errors.
vim +/clear_user_page +3886 include/linux/mm.h
3880
3881 #ifndef clear_user_pages
3882 static inline void clear_user_pages(void *addr, unsigned long vaddr,
3883 struct page *pg, unsigned int npages)
3884 {
3885 for (int i = 0; i < npages; i++)
> 3886 clear_user_page(addr + i * PAGE_SIZE,
3887 vaddr + i * PAGE_SIZE, pg + i);
3888 }
3889 #endif
3890
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-09-02 19:57 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-02 8:08 [PATCH v6 00/15] mm: folio_zero_user: clear contiguous pages Ankur Arora
2025-09-02 8:08 ` [PATCH v6 01/15] perf bench mem: Remove repetition around time measurement Ankur Arora
2025-09-02 8:08 ` [PATCH v6 02/15] perf bench mem: Defer type munging of size to float Ankur Arora
2025-09-02 8:08 ` [PATCH v6 03/15] perf bench mem: Move mem op parameters into a structure Ankur Arora
2025-09-02 8:08 ` [PATCH v6 04/15] perf bench mem: Pull out init/fini logic Ankur Arora
2025-09-02 8:08 ` [PATCH v6 05/15] perf bench mem: Switch from zalloc() to mmap() Ankur Arora
2025-09-02 8:08 ` [PATCH v6 06/15] perf bench mem: Allow mapping of hugepages Ankur Arora
2025-09-02 8:08 ` [PATCH v6 07/15] perf bench mem: Allow chunking on a memory region Ankur Arora
2025-09-02 8:08 ` [PATCH v6 08/15] perf bench mem: Refactor mem_options Ankur Arora
2025-09-02 8:08 ` [PATCH v6 09/15] perf bench mem: Add mmap() workloads Ankur Arora
2025-09-02 8:08 ` [PATCH v6 10/15] x86/mm: Simplify clear_page_* Ankur Arora
2025-09-02 8:08 ` [PATCH v6 11/15] mm: define clear_pages(), clear_user_pages() Ankur Arora
2025-09-02 19:56 ` kernel test robot [this message]
2025-09-02 20:09 ` kernel test robot
2025-09-02 20:16 ` David Hildenbrand
2025-09-03 4:08 ` Ankur Arora
2025-09-12 21:17 ` Ankur Arora
2025-09-02 8:08 ` [PATCH v6 12/15] highmem: define clear_highpages() Ankur Arora
2025-09-02 20:20 ` David Hildenbrand
2025-09-03 4:09 ` Ankur Arora
2025-09-02 8:08 ` [PATCH v6 13/15] mm: memory: support clearing page ranges Ankur Arora
2025-09-02 19:46 ` kernel test robot
2025-09-02 8:08 ` [PATCH v6 14/15] x86/clear_page: Introduce clear_pages() Ankur Arora
2025-09-02 8:08 ` [PATCH v6 15/15] x86/clear_pages: Support clearing of page-extents Ankur Arora
2025-09-12 18:33 ` [PATCH v6 00/15] mm: folio_zero_user: clear contiguous pages Arnaldo Carvalho de Melo
2025-09-12 21:12 ` Ankur Arora
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