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From: kernel test robot <lkp@intel.com>
To: NeilBrown <neilb@suse.de>,
	Trond Myklebust <trond.myklebust@hammerspace.com>,
	Anna Schumaker <anna.schumaker@netapp.com>,
	Chuck Lever <chuck.lever@oracle.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mel Gorman <mgorman@suse.de>,
	Christoph Hellwig <hch@infradead.org>,
	David Howells <dhowells@redhat.com>
Cc: kbuild-all@lists.01.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 09/23] MM: submit multipage reads for SWP_FS_OPS swap-space
Date: Mon, 24 Jan 2022 16:25:22 +0800	[thread overview]
Message-ID: <202201241613.8J5z5arQ-lkp@intel.com> (raw)
In-Reply-To: <164299611278.26253.14950274629759580371.stgit@noble.brown>

Hi NeilBrown,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.17-rc1 next-20220124]
[cannot apply to trondmy-nfs/linux-next cifs/for-next hnaz-mm/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]

url:    https://github.com/0day-ci/linux/commits/NeilBrown/Repair-SWAP-over_NFS/20220124-115716
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20220124/202201241613.8J5z5arQ-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/63bff668aa0537d7ccef9ed428809fc16c1a6b6c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review NeilBrown/Repair-SWAP-over_NFS/20220124-115716
        git checkout 63bff668aa0537d7ccef9ed428809fc16c1a6b6c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   In file included from mm/vmscan.c:61:
   mm/swap.h:66:40: warning: 'struct swap_iocb' declared inside parameter list will not be visible outside of this definition or declaration
      66 |                                 struct swap_iocb **plug);
         |                                        ^~~~~~~~~
>> mm/swap.h:67:1: error: expected identifier or '(' before '{' token
      67 | {
         | ^
   mm/swap.h:65:19: warning: 'swap_readpage' declared 'static' but never defined [-Wunused-function]
      65 | static inline int swap_readpage(struct page *page, bool do_poll,
         |                   ^~~~~~~~~~~~~
--
   In file included from mm/memory.c:89:
   mm/swap.h:66:40: warning: 'struct swap_iocb' declared inside parameter list will not be visible outside of this definition or declaration
      66 |                                 struct swap_iocb **plug);
         |                                        ^~~~~~~~~
>> mm/swap.h:67:1: error: expected identifier or '(' before '{' token
      67 | {
         | ^
>> mm/swap.h:65:19: warning: 'swap_readpage' used but never defined
      65 | static inline int swap_readpage(struct page *page, bool do_poll,
         |                   ^~~~~~~~~~~~~
--
   In file included from mm/page_alloc.c:84:
   mm/swap.h:66:40: warning: 'struct swap_iocb' declared inside parameter list will not be visible outside of this definition or declaration
      66 |                                 struct swap_iocb **plug);
         |                                        ^~~~~~~~~
>> mm/swap.h:67:1: error: expected identifier or '(' before '{' token
      67 | {
         | ^
   mm/page_alloc.c:3821:15: warning: no previous prototype for 'should_fail_alloc_page' [-Wmissing-prototypes]
    3821 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
         |               ^~~~~~~~~~~~~~~~~~~~~~
   In file included from mm/page_alloc.c:84:
   mm/swap.h:65:19: warning: 'swap_readpage' declared 'static' but never defined [-Wunused-function]
      65 | static inline int swap_readpage(struct page *page, bool do_poll,
         |                   ^~~~~~~~~~~~~


vim +67 mm/swap.h

50dceef273a619 NeilBrown 2022-01-24  45  
50dceef273a619 NeilBrown 2022-01-24  46  struct page *read_swap_cache_async(swp_entry_t, gfp_t,
50dceef273a619 NeilBrown 2022-01-24  47  				   struct vm_area_struct *vma,
50dceef273a619 NeilBrown 2022-01-24  48  				   unsigned long addr,
63bff668aa0537 NeilBrown 2022-01-24  49  				   bool do_poll,
63bff668aa0537 NeilBrown 2022-01-24  50  				   struct swap_iocb **plug);
50dceef273a619 NeilBrown 2022-01-24  51  struct page *__read_swap_cache_async(swp_entry_t, gfp_t,
50dceef273a619 NeilBrown 2022-01-24  52  				     struct vm_area_struct *vma,
50dceef273a619 NeilBrown 2022-01-24  53  				     unsigned long addr,
50dceef273a619 NeilBrown 2022-01-24  54  				     bool *new_page_allocated);
50dceef273a619 NeilBrown 2022-01-24  55  struct page *swap_cluster_readahead(swp_entry_t entry, gfp_t flag,
50dceef273a619 NeilBrown 2022-01-24  56  				    struct vm_fault *vmf);
50dceef273a619 NeilBrown 2022-01-24  57  struct page *swapin_readahead(swp_entry_t entry, gfp_t flag,
50dceef273a619 NeilBrown 2022-01-24  58  			      struct vm_fault *vmf);
50dceef273a619 NeilBrown 2022-01-24  59  
12cf545fe71035 NeilBrown 2022-01-24  60  static inline unsigned int page_swap_flags(struct page *page)
12cf545fe71035 NeilBrown 2022-01-24  61  {
12cf545fe71035 NeilBrown 2022-01-24  62  	return page_swap_info(page)->flags;
12cf545fe71035 NeilBrown 2022-01-24  63  }
50dceef273a619 NeilBrown 2022-01-24  64  #else /* CONFIG_SWAP */
63bff668aa0537 NeilBrown 2022-01-24 @65  static inline int swap_readpage(struct page *page, bool do_poll,
63bff668aa0537 NeilBrown 2022-01-24 @66  				struct swap_iocb **plug);
50dceef273a619 NeilBrown 2022-01-24 @67  {
50dceef273a619 NeilBrown 2022-01-24  68  	return 0;
50dceef273a619 NeilBrown 2022-01-24  69  }
50dceef273a619 NeilBrown 2022-01-24  70  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH 09/23] MM: submit multipage reads for SWP_FS_OPS swap-space
Date: Mon, 24 Jan 2022 16:25:22 +0800	[thread overview]
Message-ID: <202201241613.8J5z5arQ-lkp@intel.com> (raw)
In-Reply-To: <164299611278.26253.14950274629759580371.stgit@noble.brown>

[-- Attachment #1: Type: text/plain, Size: 5830 bytes --]

Hi NeilBrown,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.17-rc1 next-20220124]
[cannot apply to trondmy-nfs/linux-next cifs/for-next hnaz-mm/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]

url:    https://github.com/0day-ci/linux/commits/NeilBrown/Repair-SWAP-over_NFS/20220124-115716
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20220124/202201241613.8J5z5arQ-lkp(a)intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/63bff668aa0537d7ccef9ed428809fc16c1a6b6c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review NeilBrown/Repair-SWAP-over_NFS/20220124-115716
        git checkout 63bff668aa0537d7ccef9ed428809fc16c1a6b6c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   In file included from mm/vmscan.c:61:
   mm/swap.h:66:40: warning: 'struct swap_iocb' declared inside parameter list will not be visible outside of this definition or declaration
      66 |                                 struct swap_iocb **plug);
         |                                        ^~~~~~~~~
>> mm/swap.h:67:1: error: expected identifier or '(' before '{' token
      67 | {
         | ^
   mm/swap.h:65:19: warning: 'swap_readpage' declared 'static' but never defined [-Wunused-function]
      65 | static inline int swap_readpage(struct page *page, bool do_poll,
         |                   ^~~~~~~~~~~~~
--
   In file included from mm/memory.c:89:
   mm/swap.h:66:40: warning: 'struct swap_iocb' declared inside parameter list will not be visible outside of this definition or declaration
      66 |                                 struct swap_iocb **plug);
         |                                        ^~~~~~~~~
>> mm/swap.h:67:1: error: expected identifier or '(' before '{' token
      67 | {
         | ^
>> mm/swap.h:65:19: warning: 'swap_readpage' used but never defined
      65 | static inline int swap_readpage(struct page *page, bool do_poll,
         |                   ^~~~~~~~~~~~~
--
   In file included from mm/page_alloc.c:84:
   mm/swap.h:66:40: warning: 'struct swap_iocb' declared inside parameter list will not be visible outside of this definition or declaration
      66 |                                 struct swap_iocb **plug);
         |                                        ^~~~~~~~~
>> mm/swap.h:67:1: error: expected identifier or '(' before '{' token
      67 | {
         | ^
   mm/page_alloc.c:3821:15: warning: no previous prototype for 'should_fail_alloc_page' [-Wmissing-prototypes]
    3821 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
         |               ^~~~~~~~~~~~~~~~~~~~~~
   In file included from mm/page_alloc.c:84:
   mm/swap.h:65:19: warning: 'swap_readpage' declared 'static' but never defined [-Wunused-function]
      65 | static inline int swap_readpage(struct page *page, bool do_poll,
         |                   ^~~~~~~~~~~~~


vim +67 mm/swap.h

50dceef273a619 NeilBrown 2022-01-24  45  
50dceef273a619 NeilBrown 2022-01-24  46  struct page *read_swap_cache_async(swp_entry_t, gfp_t,
50dceef273a619 NeilBrown 2022-01-24  47  				   struct vm_area_struct *vma,
50dceef273a619 NeilBrown 2022-01-24  48  				   unsigned long addr,
63bff668aa0537 NeilBrown 2022-01-24  49  				   bool do_poll,
63bff668aa0537 NeilBrown 2022-01-24  50  				   struct swap_iocb **plug);
50dceef273a619 NeilBrown 2022-01-24  51  struct page *__read_swap_cache_async(swp_entry_t, gfp_t,
50dceef273a619 NeilBrown 2022-01-24  52  				     struct vm_area_struct *vma,
50dceef273a619 NeilBrown 2022-01-24  53  				     unsigned long addr,
50dceef273a619 NeilBrown 2022-01-24  54  				     bool *new_page_allocated);
50dceef273a619 NeilBrown 2022-01-24  55  struct page *swap_cluster_readahead(swp_entry_t entry, gfp_t flag,
50dceef273a619 NeilBrown 2022-01-24  56  				    struct vm_fault *vmf);
50dceef273a619 NeilBrown 2022-01-24  57  struct page *swapin_readahead(swp_entry_t entry, gfp_t flag,
50dceef273a619 NeilBrown 2022-01-24  58  			      struct vm_fault *vmf);
50dceef273a619 NeilBrown 2022-01-24  59  
12cf545fe71035 NeilBrown 2022-01-24  60  static inline unsigned int page_swap_flags(struct page *page)
12cf545fe71035 NeilBrown 2022-01-24  61  {
12cf545fe71035 NeilBrown 2022-01-24  62  	return page_swap_info(page)->flags;
12cf545fe71035 NeilBrown 2022-01-24  63  }
50dceef273a619 NeilBrown 2022-01-24  64  #else /* CONFIG_SWAP */
63bff668aa0537 NeilBrown 2022-01-24 @65  static inline int swap_readpage(struct page *page, bool do_poll,
63bff668aa0537 NeilBrown 2022-01-24 @66  				struct swap_iocb **plug);
50dceef273a619 NeilBrown 2022-01-24 @67  {
50dceef273a619 NeilBrown 2022-01-24  68  	return 0;
50dceef273a619 NeilBrown 2022-01-24  69  }
50dceef273a619 NeilBrown 2022-01-24  70  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

  reply	other threads:[~2022-01-24  8:26 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-24  3:48 [PATCH 00/23 V3] Repair SWAP-over_NFS NeilBrown
2022-01-24  3:48 ` [PATCH 05/23] MM: reclaim mustn't enter FS for SWP_FS_OPS swap-space NeilBrown
2022-01-24  7:31   ` Christoph Hellwig
2022-01-24  3:48 ` [PATCH 03/23] MM: drop swap_set_page_dirty NeilBrown
2022-01-24  7:28   ` Christoph Hellwig
2022-01-24  3:48 ` [PATCH 14/23] NFS: swap IO handling is slightly different for O_DIRECT IO NeilBrown
2022-01-24  8:58   ` Christoph Hellwig
2022-01-24 13:22   ` Mark Hemment
2022-01-26 22:51     ` NeilBrown
2022-01-24  3:48 ` [PATCH 22/23] NFS: swap-out must always use STABLE writes NeilBrown
2022-01-26  3:45   ` Trond Myklebust
2022-01-26 21:42     ` NeilBrown
2022-01-24  3:48 ` [PATCH 23/23] SUNRPC: lock against ->sock changing during sysfs read NeilBrown
2022-01-24  3:48 ` [PATCH 08/23] DOC: update documentation for swap_activate and swap_rw NeilBrown
2022-01-24  8:50   ` Christoph Hellwig
2022-01-24  3:48 ` [PATCH 07/23] MM: perform async writes to SWP_FS_OPS swap-space using ->swap_rw NeilBrown
2022-01-24  8:49   ` Christoph Hellwig
2022-01-24  3:48 ` [PATCH 02/23] MM: extend block-plugging to cover all swap reads with read-ahead NeilBrown
2022-01-24  7:27   ` Christoph Hellwig
2022-01-26 21:47     ` NeilBrown
2022-01-26 23:09       ` Hugh Dickins
2022-01-27  0:32         ` NeilBrown
2022-01-24  3:48 ` [PATCH 16/23] SUNRPC/auth: async tasks mustn't block waiting for memory NeilBrown
2022-01-24  3:48 ` [PATCH 04/23] MM: move responsibility for setting SWP_FS_OPS to ->swap_activate NeilBrown
2022-01-24  7:30   ` Christoph Hellwig
2022-01-24  3:48 ` [PATCH 06/23] MM: introduce ->swap_rw and use it for reads from SWP_FS_OPS swap-space NeilBrown
2022-01-24  8:48   ` Christoph Hellwig
2022-01-24  3:48 ` [PATCH 15/23] SUNRPC/call_alloc: async tasks mustn't block waiting for memory NeilBrown
2022-01-24  3:48 ` [PATCH 20/23] SUNRPC: improve 'swap' handling: scheduling and PF_MEMALLOC NeilBrown
2022-01-24  3:48 ` [PATCH 01/23] MM: create new mm/swap.h header file NeilBrown
2022-02-07 13:51   ` Geert Uytterhoeven
2022-01-24  3:48 ` [PATCH 09/23] MM: submit multipage reads for SWP_FS_OPS swap-space NeilBrown
2022-01-24  8:25   ` kernel test robot [this message]
2022-01-24  8:25     ` kernel test robot
2022-01-24  8:52   ` Christoph Hellwig
2022-01-24  9:27   ` kernel test robot
2022-01-24  9:27     ` kernel test robot
2022-01-24 13:16   ` Mark Hemment
2022-01-26 22:04     ` NeilBrown
2022-02-08 11:07   ` Geert Uytterhoeven
2022-01-24  3:48 ` [PATCH 12/23] NFS: remove IS_SWAPFILE hack NeilBrown
2022-01-24  8:56   ` Christoph Hellwig
2022-01-24  3:48 ` [PATCH 19/23] NFS: discard NFS_RPC_SWAPFLAGS and RPC_TASK_ROOTCREDS NeilBrown
2022-01-24  3:48 ` [PATCH 17/23] SUNRPC/xprt: async tasks mustn't block waiting for memory NeilBrown
2022-01-24  3:48 ` [PATCH 18/23] SUNRPC: remove scheduling boost for "SWAPPER" tasks NeilBrown
2022-01-24  3:48 ` [PATCH 21/23] NFSv4: keep state manager thread active if swap is enabled NeilBrown
2022-01-24  3:48 ` [PATCH 11/23] VFS: Add FMODE_CAN_ODIRECT file flag NeilBrown
2022-01-24  8:56   ` Christoph Hellwig
2022-01-26 22:14     ` NeilBrown
2022-01-24  3:48 ` [PATCH 10/23] MM: submit multipage write for SWP_FS_OPS swap-space NeilBrown
2022-01-24  8:55   ` Christoph Hellwig
2022-01-24 10:29   ` kernel test robot
2022-01-24 10:29     ` kernel test robot
2022-01-24  3:48 ` [PATCH 13/23] NFS: rename nfs_direct_IO and use as ->swap_rw NeilBrown
2022-01-24  8:57   ` Christoph Hellwig
2022-02-07 17:55 ` [PATCH 00/23 V3] Repair SWAP-over_NFS Geert Uytterhoeven

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