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: 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 04:09:08 +0800 [thread overview]
Message-ID: <202509030338.DlQJTxIk-lkp@intel.com> (raw)
In-Reply-To: <20250902080816.3715913-12-ankur.a.arora@oracle.com>
Hi Ankur,
kernel test robot noticed the following build warnings:
[auto build test WARNING 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: sparc-defconfig (https://download.01.org/0day-ci/archive/20250903/202509030338.DlQJTxIk-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250903/202509030338.DlQJTxIk-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/202509030338.DlQJTxIk-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/sparc/include/asm/page.h:8,
from arch/sparc/include/asm/string_32.h:13,
from arch/sparc/include/asm/string.h:7,
from include/linux/string.h:65,
from include/linux/bitmap.h:13,
from include/linux/cpumask.h:12,
from arch/sparc/include/asm/smp_32.h:15,
from arch/sparc/include/asm/smp.h:7,
from arch/sparc/include/asm/switch_to_32.h:5,
from arch/sparc/include/asm/switch_to.h:7,
from arch/sparc/include/asm/ptrace.h:120,
from arch/sparc/include/asm/thread_info_32.h:19,
from arch/sparc/include/asm/thread_info.h:7,
from include/linux/thread_info.h:60,
from include/asm-generic/preempt.h:5,
from ./arch/sparc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:79,
from include/linux/spinlock.h:56,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:18,
from init/main.c:18:
include/linux/mm.h: In function 'clear_user_pages':
arch/sparc/include/asm/page_32.h:22:17: error: implicit declaration of function 'sparc_flush_page_to_ram' [-Wimplicit-function-declaration]
22 | sparc_flush_page_to_ram(page); \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm.h:3886:17: note: in expansion of macro 'clear_user_page'
3886 | clear_user_page(addr + i * PAGE_SIZE,
| ^~~~~~~~~~~~~~~
In file included from arch/sparc/include/asm/cacheflush.h:11,
from include/linux/cacheflush.h:5,
from include/linux/highmem.h:8,
from include/linux/bvec.h:10,
from include/linux/blk_types.h:10,
from include/linux/writeback.h:13,
from include/linux/memcontrol.h:23,
from include/linux/bpf.h:31,
from include/linux/security.h:35,
from include/linux/perf_event.h:53,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:95,
from init/main.c:22:
arch/sparc/include/asm/cacheflush_32.h: At top level:
>> arch/sparc/include/asm/cacheflush_32.h:38:6: warning: conflicting types for 'sparc_flush_page_to_ram'; have 'void(struct page *)'
38 | void sparc_flush_page_to_ram(struct page *page);
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/sparc/include/asm/page_32.h:22:17: note: previous implicit declaration of 'sparc_flush_page_to_ram' with type 'void(struct page *)'
22 | sparc_flush_page_to_ram(page); \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/mm.h:3886:17: note: in expansion of macro 'clear_user_page'
3886 | clear_user_page(addr + i * PAGE_SIZE,
| ^~~~~~~~~~~~~~~
vim +38 arch/sparc/include/asm/cacheflush_32.h
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 19
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 20 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 21 do { \
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 22 flush_cache_page(vma, vaddr, page_to_pfn(page));\
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 23 memcpy(dst, src, len); \
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 24 } while (0)
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 25 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 26 do { \
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 27 flush_cache_page(vma, vaddr, page_to_pfn(page));\
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 28 memcpy(dst, src, len); \
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 29 } while (0)
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 30
5d83d66635bb16 arch/sparc/include/asm/cacheflush_32.h David S. Miller 2012-05-13 31 #define __flush_page_to_ram(addr) \
5d83d66635bb16 arch/sparc/include/asm/cacheflush_32.h David S. Miller 2012-05-13 32 sparc32_cachetlb_ops->page_to_ram(addr)
5d83d66635bb16 arch/sparc/include/asm/cacheflush_32.h David S. Miller 2012-05-13 33 #define flush_sig_insns(mm,insn_addr) \
5d83d66635bb16 arch/sparc/include/asm/cacheflush_32.h David S. Miller 2012-05-13 34 sparc32_cachetlb_ops->sig_insns(mm, insn_addr)
5d83d66635bb16 arch/sparc/include/asm/cacheflush_32.h David S. Miller 2012-05-13 35 #define flush_page_for_dma(addr) \
5d83d66635bb16 arch/sparc/include/asm/cacheflush_32.h David S. Miller 2012-05-13 36 sparc32_cachetlb_ops->page_for_dma(addr)
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 37
f05a68653e56ca arch/sparc/include/asm/cacheflush_32.h Sam Ravnborg 2014-05-16 @38 void sparc_flush_page_to_ram(struct page *page);
665f640294540a arch/sparc/include/asm/cacheflush_32.h Matthew Wilcox (Oracle 2023-08-02 39) void sparc_flush_folio_to_ram(struct folio *folio);
f5e706ad886b6a include/asm-sparc/cacheflush_32.h Sam Ravnborg 2008-07-17 40
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-09-02 20:10 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
2025-09-02 20:09 ` kernel test robot [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202509030338.DlQJTxIk-lkp@intel.com \
--to=lkp@intel.com \
--cc=acme@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=ankur.a.arora@oracle.com \
--cc=boris.ostrovsky@oracle.com \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=david@redhat.com \
--cc=hpa@zytor.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=mjguzik@gmail.com \
--cc=namhyung@kernel.org \
--cc=oe-kbuild-all@lists.linux.dev \
--cc=peterz@infradead.org \
--cc=raghavendra.kt@amd.com \
--cc=tglx@linutronix.de \
--cc=willy@infradead.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.