linux-kernel - Re: [PATCH v2 07/17] mm: Define VM

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Message-ID: <202408261734.UAvnH7Mv-lkp@intel.com>
Date: Mon, 26 Aug 2024 18:13:45 +0800
From: kernel test robot <lkp@...el.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Naveen N Rao <naveen@...nel.org>, Andy Lutomirski <luto@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>, Theodore Ts'o <tytso@....edu>,
	"Jason A. Donenfeld" <Jason@...c4.com>,
	Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Shuah Khan <skhan@...uxfoundation.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Linux Memory Management List <linux-mm@...ck.org>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v2 07/17] mm: Define VM_DROPPABLE for powerpc/32

Hi Christophe,

kernel test robot noticed the following build warnings:

[auto build test WARNING on powerpc/next]
[also build test WARNING on powerpc/fixes shuah-kselftest/next shuah-kselftest/fixes linus/master v6.11-rc5 next-20240823]
[cannot apply to crng-random/master]
[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/Christophe-Leroy/asm-generic-unaligned-h-Extract-common-header-for-vDSO/20240826-103525
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/315e3a268b165b6edad7dcb723b0d8a506a56c4e.1724309198.git.christophe.leroy%40csgroup.eu
patch subject: [PATCH v2 07/17] mm: Define VM_DROPPABLE for powerpc/32
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240826/202408261734.UAvnH7Mv-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240826/202408261734.UAvnH7Mv-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408261734.UAvnH7Mv-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from mm/debug_page_ref.c:6:
   In file included from include/trace/events/page_ref.h:11:
   include/trace/events/mmflags.h:168:5: warning: 'VM_DROPPABLE' is not defined, evaluates to 0 [-Wundef]
     168 | #if VM_DROPPABLE != VM_NONE
         |     ^
   include/trace/events/mmflags.h:168:21: warning: 'VM_NONE' is not defined, evaluates to 0 [-Wundef]
     168 | #if VM_DROPPABLE != VM_NONE
         |                     ^
   In file included from mm/debug_page_ref.c:6:
   In file included from include/trace/events/page_ref.h:135:
   In file included from include/trace/define_trace.h:95:
   In file included from include/trace/events/page_ref.h:11:
   include/trace/events/mmflags.h:168:5: warning: 'VM_DROPPABLE' is not defined, evaluates to 0 [-Wundef]
     168 | #if VM_DROPPABLE != VM_NONE
         |     ^
   include/trace/events/mmflags.h:168:21: warning: 'VM_NONE' is not defined, evaluates to 0 [-Wundef]
     168 | #if VM_DROPPABLE != VM_NONE
         |                     ^
   In file included from mm/debug_page_ref.c:6:
   In file included from include/trace/events/page_ref.h:135:
   In file included from include/trace/define_trace.h:102:
   In file included from include/trace/trace_events.h:94:
   In file included from include/trace/events/page_ref.h:11:
>> include/trace/events/mmflags.h:169:10: warning: 'IF_HAVE_VM_DROPPABLE' macro redefined [-Wmacro-redefined]
     169 | # define IF_HAVE_VM_DROPPABLE(flag, name) {flag, name},
         |          ^
   include/trace/events/mmflags.h:171:10: note: previous definition is here
     171 | # define IF_HAVE_VM_DROPPABLE(flag, name)
         |          ^
   5 warnings generated.


vim +/IF_HAVE_VM_DROPPABLE +169 include/trace/events/mmflags.h

7677f7fd8be766 Axel Rasmussen     2021-05-04  167  
41e2c674b334ed Christophe Leroy   2024-08-22 @168  #if VM_DROPPABLE != VM_NONE
9651fcedf7b92d Jason A. Donenfeld 2022-12-08 @169  # define IF_HAVE_VM_DROPPABLE(flag, name) {flag, name},
9651fcedf7b92d Jason A. Donenfeld 2022-12-08  170  #else
9651fcedf7b92d Jason A. Donenfeld 2022-12-08  171  # define IF_HAVE_VM_DROPPABLE(flag, name)
9651fcedf7b92d Jason A. Donenfeld 2022-12-08  172  #endif
9651fcedf7b92d Jason A. Donenfeld 2022-12-08  173  

-- 
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https://github.com/intel/lkp-tests/wiki