linux-kernel - Re: [PATCH 3/3] mm/sched: memdelay: memory health interface for systems and workloads

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Date:   Sat, 29 Jul 2017 21:31:11 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     kbuild-all@...org, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH 3/3] mm/sched: memdelay: memory health interface for
 systems and workloads

Hi Johannes,

[auto build test ERROR on v4.12]
[cannot apply to linus/master linux/master v4.13-rc2 v4.13-rc1 next-20170728]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Johannes-Weiner/sched-loadavg-consolidate-LOAD_INT-LOAD_FRAC-macros/20170729-191658
config: arm-sunxi_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   In file included from include/linux/spinlock_types.h:13:0,
                    from include/linux/memdelay.h:4,
                    from kernel/sched/memdelay.c:10:
>> arch/arm/include/asm/spinlock_types.h:12:3: error: unknown type name 'u32'
      u32 slock;
      ^~~
>> arch/arm/include/asm/spinlock_types.h:18:4: error: unknown type name 'u16'
       u16 owner;
       ^~~
   arch/arm/include/asm/spinlock_types.h:19:4: error: unknown type name 'u16'
       u16 next;
       ^~~
   arch/arm/include/asm/spinlock_types.h:28:2: error: unknown type name 'u32'
     u32 lock;
     ^~~

vim +/u32 +12 arch/arm/include/asm/spinlock_types.h

546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06   9  
fb1c8f93 include/asm-arm/spinlock_types.h      Ingo Molnar     2005-09-10  10  typedef struct {
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  11  	union {
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06 @12  		u32 slock;
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  13  		struct __raw_tickets {
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  14  #ifdef __ARMEB__
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  15  			u16 next;
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  16  			u16 owner;
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  17  #else
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06 @18  			u16 owner;
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  19  			u16 next;
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  20  #endif
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  21  		} tickets;
546c2896 arch/arm/include/asm/spinlock_types.h Will Deacon     2012-07-06  22  	};
445c8951 arch/arm/include/asm/spinlock_types.h Thomas Gleixner 2009-12-02  23  } arch_spinlock_t;
fb1c8f93 include/asm-arm/spinlock_types.h      Ingo Molnar     2005-09-10  24  

:::::: The code at line 12 was first introduced by commit
:::::: 546c2896a42202dbc7d02f7c6ec9948ac1bf511b ARM: 7446/1: spinlock: use ticket algorithm for ARMv6+ locking implementation

:::::: TO: Will Deacon <will.deacon@....com>
:::::: CC: Russell King <rmk+kernel@....linux.org.uk>

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