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From: kbuild test robot <lkp@intel.com>
To: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: kbuild-all@01.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	hughd@google.com, kirill@shutemov.name,
	n-horiguchi@ah.jp.nec.com, akpm@linux-foundation.org,
	mgorman@techsingularity.net, dave.hansen@intel.com,
	aneesh.kumar@linux.vnet.ibm.com, mpe@ellerman.id.au
Subject: Re: [PATCH 03/10] mm/hugetlb: Protect follow_huge_(pud|pgd) functions from race
Date: Thu, 7 Apr 2016 17:34:18 +0800	[thread overview]
Message-ID: <201604071708.osnfXWQP%fengguang.wu@intel.com> (raw)
In-Reply-To: <1460007464-26726-4-git-send-email-khandual@linux.vnet.ibm.com>

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Hi Anshuman,

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.6-rc2 next-20160407]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Anshuman-Khandual/Enable-HugeTLB-page-migration-on-POWER/20160407-165841
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: s390-allyesconfig (attached as .config)
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=s390 

All errors (new ones prefixed by >>):

   mm/hugetlb.c: In function 'follow_huge_pud':
>> mm/hugetlb.c:4360:3: error: implicit declaration of function 'pud_page' [-Werror=implicit-function-declaration]
      page = pud_page(*pud) + ((address & ~PUD_MASK) >> PAGE_SHIFT);
      ^
   mm/hugetlb.c:4360:8: warning: assignment makes pointer from integer without a cast
      page = pud_page(*pud) + ((address & ~PUD_MASK) >> PAGE_SHIFT);
           ^
   mm/hugetlb.c: In function 'follow_huge_pgd':
   mm/hugetlb.c:4395:3: error: implicit declaration of function 'pgd_page' [-Werror=implicit-function-declaration]
      page = pgd_page(*pgd) + ((address & ~PGDIR_MASK) >> PAGE_SHIFT);
      ^
   mm/hugetlb.c:4395:8: warning: assignment makes pointer from integer without a cast
      page = pgd_page(*pgd) + ((address & ~PGDIR_MASK) >> PAGE_SHIFT);
           ^
   cc1: some warnings being treated as errors

vim +/pud_page +4360 mm/hugetlb.c

  4354		 * make sure that the address range covered by this pud is not
  4355		 * unmapped from other threads.
  4356		 */
  4357		if (!pud_huge(*pud))
  4358			goto out;
  4359		if (pud_present(*pud)) {
> 4360			page = pud_page(*pud) + ((address & ~PUD_MASK) >> PAGE_SHIFT);
  4361			if (flags & FOLL_GET)
  4362				get_page(page);
  4363		} else {

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

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  parent reply	other threads:[~2016-04-07  9:35 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-07  5:37 [PATCH 00/10] Enable HugeTLB page migration on POWER Anshuman Khandual
2016-04-07  5:37 ` [PATCH 01/10] mm/mmap: Replace SHM_HUGE_MASK with MAP_HUGE_MASK inside mmap_pgoff Anshuman Khandual
2016-04-07  8:28   ` Balbir Singh
2016-04-13  7:54   ` Michal Hocko
2016-04-07  5:37 ` [PATCH 02/10] mm/hugetlb: Add PGD based implementation awareness Anshuman Khandual
2016-04-07  9:04   ` Balbir Singh
2016-04-11  5:25     ` Anshuman Khandual
2016-04-11  6:10       ` Anshuman Khandual
2016-04-07  5:37 ` [PATCH 03/10] mm/hugetlb: Protect follow_huge_(pud|pgd) functions from race Anshuman Khandual
2016-04-07  9:16   ` kbuild test robot
2016-04-18  8:44     ` Anshuman Khandual
2016-04-07  9:26   ` Balbir Singh
2016-04-11  5:39     ` Anshuman Khandual
2016-04-11 12:46       ` Balbir Singh
2016-04-07  9:34   ` kbuild test robot [this message]
2016-04-11  6:04     ` Anshuman Khandual
2016-04-18  8:42       ` Anshuman Khandual
2016-04-07  5:37 ` [PATCH 04/10] powerpc/hugetlb: Add ABI defines for MAP_HUGE_16MB and MAP_HUGE_16GB Anshuman Khandual
2016-04-07  5:37 ` [PATCH 05/10] powerpc/hugetlb: Split the function 'huge_pte_alloc' Anshuman Khandual
2016-04-11 13:51   ` Balbir Singh
2016-04-13 11:08     ` Anshuman Khandual
2016-04-07  5:37 ` [PATCH 06/10] powerpc/hugetlb: Split the function 'huge_pte_offset' Anshuman Khandual
2016-04-07  5:37 ` [PATCH 07/10] powerpc/hugetlb: Prepare arch functions for ARCH_WANT_GENERAL_HUGETLB Anshuman Khandual
2016-04-07  5:37 ` [PATCH 08/10] powerpc/hugetlb: Selectively enable ARCH_WANT_GENERAL_HUGETLB Anshuman Khandual
2016-04-07  5:37 ` [PATCH 09/10] powerpc/hugetlb: Selectively enable ARCH_ENABLE_HUGEPAGE_MIGRATION Anshuman Khandual
2016-04-07  5:37 ` [PATCH 10/10] selfttest/powerpc: Add memory page migration tests Anshuman Khandual
2016-04-18  8:52 ` [PATCH 00/10] Enable HugeTLB page migration on POWER Anshuman Khandual

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