Hi Kirill, [auto build test WARNING on linus/master] [also build test WARNING on v4.9-rc4 next-20161110] [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/Kirill-A-Shutemov/shmem-avoid-huge-pages-for-small-files/20161111-005428 config: i386-randconfig-s0-201645 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): mm/shmem.c: In function 'shmem_getpage_gfp': >> mm/shmem.c:1680:12: warning: unused variable 'off' [-Wunused-variable] pgoff_t off; ^~~ vim +/off +1680 mm/shmem.c 66d2f4d2 Hugh Dickins 2014-07-02 1664 mark_page_accessed(page); 66d2f4d2 Hugh Dickins 2014-07-02 1665 54af6042 Hugh Dickins 2011-08-03 1666 delete_from_swap_cache(page); 27ab7006 Hugh Dickins 2011-07-25 1667 set_page_dirty(page); 27ab7006 Hugh Dickins 2011-07-25 1668 swap_free(swap); 27ab7006 Hugh Dickins 2011-07-25 1669 54af6042 Hugh Dickins 2011-08-03 1670 } else { 800d8c63 Kirill A. Shutemov 2016-07-26 1671 /* shmem_symlink() */ 800d8c63 Kirill A. Shutemov 2016-07-26 1672 if (mapping->a_ops != &shmem_aops) 800d8c63 Kirill A. Shutemov 2016-07-26 1673 goto alloc_nohuge; 657e3038 Kirill A. Shutemov 2016-07-26 1674 if (shmem_huge == SHMEM_HUGE_DENY || sgp_huge == SGP_NOHUGE) 800d8c63 Kirill A. Shutemov 2016-07-26 1675 goto alloc_nohuge; 800d8c63 Kirill A. Shutemov 2016-07-26 1676 if (shmem_huge == SHMEM_HUGE_FORCE) 800d8c63 Kirill A. Shutemov 2016-07-26 1677 goto alloc_huge; 800d8c63 Kirill A. Shutemov 2016-07-26 1678 switch (sbinfo->huge) { 800d8c63 Kirill A. Shutemov 2016-07-26 1679 loff_t i_size; 800d8c63 Kirill A. Shutemov 2016-07-26 @1680 pgoff_t off; 800d8c63 Kirill A. Shutemov 2016-07-26 1681 case SHMEM_HUGE_NEVER: 800d8c63 Kirill A. Shutemov 2016-07-26 1682 goto alloc_nohuge; 800d8c63 Kirill A. Shutemov 2016-07-26 1683 case SHMEM_HUGE_WITHIN_SIZE: bb89f249 Kirill A. Shutemov 2016-11-10 1684 i_size = i_size_read(inode); bb89f249 Kirill A. Shutemov 2016-11-10 1685 if (index >= HPAGE_PMD_NR || i_size >= HPAGE_PMD_SIZE) 800d8c63 Kirill A. Shutemov 2016-07-26 1686 goto alloc_huge; 800d8c63 Kirill A. Shutemov 2016-07-26 1687 /* fallthrough */ 800d8c63 Kirill A. Shutemov 2016-07-26 1688 case SHMEM_HUGE_ADVISE: :::::: The code at line 1680 was first introduced by commit :::::: 800d8c63b2e989c2e349632d1648119bf5862f01 shmem: add huge pages support :::::: TO: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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