From: kernel test robot <lkp@intel.com>
To: Mike Kravetz <mike.kravetz@oracle.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: Mina Almasry <almasrymina@google.com>,
Michal Hocko <mhocko@suse.com>,
kbuild-all@lists.01.org, will@kernel.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
catalin.marinas@arm.com, Paul Walmsley <paul.walmsley@sifive.com>,
Peter Xu <peterx@redhat.com>,
Linux Memory Management List <linux-mm@kvack.org>,
James Houghton <jthoughton@google.com>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Muchun Song <songmuchun@bytedance.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Naoya Horiguchi <naoya.horiguchi@linux.dev>,
Mike Kravetz <mike.kravetz@oracle.com>
Subject: Re: [PATCH 1/4] hugetlb: skip to end of PT page mapping when pte not present
Date: Sat, 18 Jun 2022 01:06:42 +0800 [thread overview]
Message-ID: <202206180021.rcc4B1by-lkp@intel.com> (raw)
In-Reply-To: <20220616210518.125287-2-mike.kravetz@oracle.com>
Hi Mike,
I love your patch! Yet something to improve:
[auto build test ERROR on soc/for-next]
[also build test ERROR on linus/master v5.19-rc2 next-20220617]
[cannot apply to arm64/for-next/core arm/for-next kvmarm/next xilinx-xlnx/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/intel-lab-lkp/linux/commits/Mike-Kravetz/hugetlb-speed-up-linear-address-scanning/20220617-050726
base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
config: i386-debian-10.3 (https://download.01.org/0day-ci/archive/20220618/202206180021.rcc4B1by-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/4c647687607f10fece04967b8180c0dadaf765e6
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Mike-Kravetz/hugetlb-speed-up-linear-address-scanning/20220617-050726
git checkout 4c647687607f10fece04967b8180c0dadaf765e6
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
mm/hugetlb.c: In function 'hugetlb_mask_last_page':
>> mm/hugetlb.c:6901:9: error: duplicate case value
6901 | case PUD_SIZE:
| ^~~~
mm/hugetlb.c:6899:9: note: previously used here
6899 | case P4D_SIZE:
| ^~~~
vim +6901 mm/hugetlb.c
6886
6887 /*
6888 * Return a mask that can be used to update an address to the last huge
6889 * page in a page table page mapping size. Used to skip non-present
6890 * page table entries when linearly scanning address ranges. Architectures
6891 * with unique huge page to page table relationships can define their own
6892 * version of this routine.
6893 */
6894 unsigned long hugetlb_mask_last_page(struct hstate *h)
6895 {
6896 unsigned long hp_size = huge_page_size(h);
6897
6898 switch (hp_size) {
6899 case P4D_SIZE:
6900 return PGDIR_SIZE - P4D_SIZE;
> 6901 case PUD_SIZE:
6902 return P4D_SIZE - PUD_SIZE;
6903 case PMD_SIZE:
6904 return PUD_SIZE - PMD_SIZE;
6905 default:
6906 break; /* Should never happen */
6907 }
6908
6909 return ~(0UL);
6910 }
6911
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next prev parent reply other threads:[~2022-06-17 17:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-16 21:05 [PATCH 0/4] hugetlb: speed up linear address scanning Mike Kravetz
2022-06-16 21:05 ` [PATCH 1/4] hugetlb: skip to end of PT page mapping when pte not present Mike Kravetz
2022-06-17 8:13 ` Muchun Song
2022-06-17 11:26 ` kernel test robot
2022-06-17 21:09 ` Mike Kravetz
2022-06-17 14:15 ` Peter Xu
2022-06-17 15:26 ` Geert Uytterhoeven
2022-06-17 17:17 ` Mike Kravetz
2022-06-18 3:27 ` Baolin Wang
2022-06-17 17:06 ` kernel test robot [this message]
2022-06-16 21:05 ` [PATCH 2/4] arm64/hugetlb: Implement arm64 specific hugetlb_mask_last_page Mike Kravetz
2022-06-17 8:26 ` Muchun Song
2022-06-16 21:05 ` [PATCH 3/4] hugetlb: do not update address in huge_pmd_unshare Mike Kravetz
2022-06-16 21:05 ` [PATCH 4/4] hugetlb: Lazy page table copies in fork() Mike Kravetz
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