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

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Message-ID: <201606231106.2FftOmv6%fengguang.wu@intel.com>
Date:	Thu, 23 Jun 2016 11:30:40 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Nitin Gupta <nitin.m.gupta@...cle.com>
Cc:	kbuild-all@...org, "David S. Miller" <davem@...emloft.net>,
	Nitin Gupta <nitin.m.gupta@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Zhang Zhen <zhenzhang.zhang@...wei.com>,
	Dominik Dingel <dingel@...ux.vnet.ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Mike Kravetz <mike.kravetz@...cle.com>,
	Hillf Danton <hillf.zj@...baba-inc.com>,
	Michal Hocko <mhocko@...e.com>,
	Chen Gang <chengang@...ndsoft.com.cn>,
	David Woods <dwoods@...hip.com>,
	Yaowei Bai <baiyaowei@...s.chinamobile.com>,
	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] sparc64: Fix pagetable freeing for hugepage regions

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: tile-tilegx_defconfig (attached as .config)
compiler: tilegx-linux-gcc (GCC) 4.6.2
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=tile 

All errors (new ones prefixed by >>):

   In file included from include/linux/hugetlb.h:420:0,
                    from arch/tile/kernel/proc.c:25:
>> arch/tile/include/asm/hugetlb.h:43:20: error: static declaration of 'hugetlb_free_pgd_range' follows non-static declaration
   include/linux/hugetlb.h:123:6: note: previous declaration of 'hugetlb_free_pgd_range' was here

vim +/hugetlb_free_pgd_range +43 arch/tile/include/asm/hugetlb.h

867e359b Chris Metcalf 2010-05-28  37  		return -EINVAL;
867e359b Chris Metcalf 2010-05-28  38  	if (addr & ~huge_page_mask(h))
867e359b Chris Metcalf 2010-05-28  39  		return -EINVAL;
867e359b Chris Metcalf 2010-05-28  40  	return 0;
867e359b Chris Metcalf 2010-05-28  41  }
867e359b Chris Metcalf 2010-05-28  42  
867e359b Chris Metcalf 2010-05-28 @43  static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
867e359b Chris Metcalf 2010-05-28  44  					  unsigned long addr, unsigned long end,
867e359b Chris Metcalf 2010-05-28  45  					  unsigned long floor,
867e359b Chris Metcalf 2010-05-28  46  					  unsigned long ceiling)

:::::: The code at line 43 was first introduced by commit
:::::: 867e359b97c970a60626d5d76bbe2a8fadbf38fb arch/tile: core support for Tilera 32-bit chips.

:::::: TO: Chris Metcalf <cmetcalf@...era.com>
:::::: CC: Chris Metcalf <cmetcalf@...era.com>

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

Download attachment ".config.gz" of type "application/octet-stream" (16421 bytes)