Re: [PATCH 2/2] sparc64: Fix pagetable freeing for hugepage regions

Path	csiph.com!news.mixmin.net!news.unit0.net!news.panservice.it!diesel.cu.mi.it!bofh.it!news.nic.it!robomod
From	kbuild test robot <lkp@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 2/2] sparc64: Fix pagetable freeing for hugepage regions
Date	Thu, 23 Jun 2016 04:40:01 +0200
Message-ID	<rN2IF-3BK-9@gated-at.bofh.it> (permalink)
References	<rN1tg-2Ol-13@gated-at.bofh.it>
X-Original-To	Nitin Gupta <nitin.m.gupta@oracle.com>
X-Extloop1	1
X-Ironport-Av	E=Sophos;i="5.26,509,1459839600"; d="gz'50?scan'50,208,50";a="723704453"
MIME-Version	1.0
Content-Type	multipart/mixed; boundary="M9NhX3UHpAaciwkO"
Content-Disposition	inline
User-Agent	Mutt/1.5.23 (2014-03-12)
X-Sa-Exim-Connect-IP	<locally generated>
X-Sa-Exim-Mail-From	fengguang.wu@intel.com
X-Sa-Exim-Scanned	No (on bee); SAEximRunCond expanded to false
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	523
Organization	linux.* mail to news gateway
X-Original-Cc	kbuild-all@01.org, "David S. Miller" <davem@davemloft.net>, Nitin Gupta <nitin.m.gupta@oracle.com>, Andrew Morton <akpm@linux-foundation.org>, Zhang Zhen <zhenzhang.zhang@huawei.com>, Dominik Dingel <dingel@linux.vnet.ibm.com>, Martin Schwidefsky <schwidefsky@de.ibm.com>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>, Mike Kravetz <mike.kravetz@oracle.com>, Hillf Danton <hillf.zj@alibaba-inc.com>, Michal Hocko <mhocko@suse.com>, Chen Gang <chengang@emindsoft.com.cn>, David Woods <dwoods@ezchip.com>, Yaowei Bai <baiyaowei@cmss.chinamobile.com>, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org
X-Original-Date	Thu, 23 Jun 2016 10:38:09 +0800
X-Original-Message-ID	<201606231051.bjnCP3zX%fengguang.wu@intel.com>
X-Original-References	<1466644374-58354-2-git-send-email-nitin.m.gupta@oracle.com>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1429414

Show key headers only | View raw

[Multipart message — attachments visible in raw view] - view raw

Hi,

[auto build test ERROR on sparc/master]
[also build test ERROR on v4.7-rc4 next-20160622]
[cannot apply to sparc-next/master]
[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/Nitin-Gupta/sparc64-Trim-page-tables-for-8M-hugepages/20160623-092926
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git master
config: i386-defconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from include/linux/hugetlb.h:420:0,
                    from kernel/fork.c:38:
>> arch/x86/include/asm/hugetlb.h:30:20: error: static declaration of 'hugetlb_free_pgd_range' follows non-static declaration
    static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
                       ^~~~~~~~~~~~~~~~~~~~~~
   In file included from kernel/fork.c:38:0:
   include/linux/hugetlb.h:123:6: note: previous declaration of 'hugetlb_free_pgd_range' was here
    void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
         ^~~~~~~~~~~~~~~~~~~~~~

vim +/hugetlb_free_pgd_range +30 arch/x86/include/asm/hugetlb.h

6d779079 include/asm-x86/hugetlb.h Gerald Schaefer 2008-04-28  24  		return -EINVAL;
a5516438 include/asm-x86/hugetlb.h Andi Kleen      2008-07-23  25  	if (addr & ~huge_page_mask(h))
6d779079 include/asm-x86/hugetlb.h Gerald Schaefer 2008-04-28  26  		return -EINVAL;
6d779079 include/asm-x86/hugetlb.h Gerald Schaefer 2008-04-28  27  	return 0;
6d779079 include/asm-x86/hugetlb.h Gerald Schaefer 2008-04-28  28  }
6d779079 include/asm-x86/hugetlb.h Gerald Schaefer 2008-04-28  29  
42b77728 include/asm-x86/hugetlb.h Jan Beulich     2008-07-23 @30  static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
6d779079 include/asm-x86/hugetlb.h Gerald Schaefer 2008-04-28  31  					  unsigned long addr, unsigned long end,
6d779079 include/asm-x86/hugetlb.h Gerald Schaefer 2008-04-28  32  					  unsigned long floor,
6d779079 include/asm-x86/hugetlb.h Gerald Schaefer 2008-04-28  33  					  unsigned long ceiling)

:::::: The code at line 30 was first introduced by commit
:::::: 42b7772812d15b86543a23b82bd6070eef9a08b1 mm: remove double indirection on tlb parameter to free_pgd_range() & Co

:::::: TO: Jan Beulich <jbeulich@novell.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Thread

[PATCH 1/2] sparc64: Trim page tables for 8M hugepages Nitin Gupta <nitin.m.gupta@oracle.com> - 2016-06-23 03:20 +0200
  [PATCH 2/2] sparc64: Fix pagetable freeing for hugepage regions Nitin Gupta <nitin.m.gupta@oracle.com> - 2016-06-23 03:20 +0200
    Re: [PATCH 2/2] sparc64: Fix pagetable freeing for hugepage regions kbuild test robot <lkp@intel.com> - 2016-06-23 04:40 +0200
    Re: [PATCH 2/2] sparc64: Fix pagetable freeing for hugepage regions kbuild test robot <lkp@intel.com> - 2016-06-23 05:30 +0200
    Re: [PATCH 2/2] sparc64: Fix pagetable freeing for hugepage regions kbuild test robot <lkp@intel.com> - 2016-06-23 05:40 +0200

csiph-web