Hi Chintan, Thank you for the patch! Yet something to improve:
[auto build test ERROR on v4.16-rc7] [also build test ERROR on next-20180328] [cannot apply to arm64/for-next/core tip/x86/core asm-generic/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/Chintan-Pandya/Fix-issues-with-huge-mapping-in-ioremap-for-ARM64/20180328-192254 config: i386-randconfig-x014-201812 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): arch/x86/mm/pgtable.c: In function 'pud_free_pmd_page': >> arch/x86/mm/pgtable.c:725:8: error: too few arguments to function >> 'pmd_free_pte_page' if (!pmd_free_pte_page(&pmd[i])) ^~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/pgtable.h:1292:0, from include/linux/memremap.h:8, from include/linux/mm.h:27, from arch/x86/mm/pgtable.c:2: include/asm-generic/pgtable.h:987:5: note: declared here int pmd_free_pte_page(pmd_t *pmd, unsigned long addr); ^~~~~~~~~~~~~~~~~ vim +/pmd_free_pte_page +725 arch/x86/mm/pgtable.c b6bdb751 Toshi Kani 2018-03-22 705 b6bdb751 Toshi Kani 2018-03-22 706 /** b6bdb751 Toshi Kani 2018-03-22 707 * pud_free_pmd_page - Clear pud entry and free pmd page. b6bdb751 Toshi Kani 2018-03-22 708 * @pud: Pointer to a PUD. 5b7ee34c Chintan Pandya 2018-03-27 709 * @addr: Virtual address associated with pud. b6bdb751 Toshi Kani 2018-03-22 710 * b6bdb751 Toshi Kani 2018-03-22 711 * Context: The pud range has been unmaped and TLB purged. b6bdb751 Toshi Kani 2018-03-22 712 * Return: 1 if clearing the entry succeeded. 0 otherwise. b6bdb751 Toshi Kani 2018-03-22 713 */ 5b7ee34c Chintan Pandya 2018-03-27 714 int pud_free_pmd_page(pud_t *pud, unsigned long addr) b6bdb751 Toshi Kani 2018-03-22 715 { 28ee90fe Toshi Kani 2018-03-22 716 pmd_t *pmd; 28ee90fe Toshi Kani 2018-03-22 717 int i; 28ee90fe Toshi Kani 2018-03-22 718 28ee90fe Toshi Kani 2018-03-22 719 if (pud_none(*pud)) 28ee90fe Toshi Kani 2018-03-22 720 return 1; 28ee90fe Toshi Kani 2018-03-22 721 28ee90fe Toshi Kani 2018-03-22 722 pmd = (pmd_t *)pud_page_vaddr(*pud); 28ee90fe Toshi Kani 2018-03-22 723 28ee90fe Toshi Kani 2018-03-22 724 for (i = 0; i < PTRS_PER_PMD; i++) 28ee90fe Toshi Kani 2018-03-22 @725 if (!pmd_free_pte_page(&pmd[i])) 28ee90fe Toshi Kani 2018-03-22 726 return 0; 28ee90fe Toshi Kani 2018-03-22 727 28ee90fe Toshi Kani 2018-03-22 728 pud_clear(pud); 28ee90fe Toshi Kani 2018-03-22 729 free_page((unsigned long)pmd); 28ee90fe Toshi Kani 2018-03-22 730 28ee90fe Toshi Kani 2018-03-22 731 return 1; b6bdb751 Toshi Kani 2018-03-22 732 } b6bdb751 Toshi Kani 2018-03-22 733 :::::: The code at line 725 was first introduced by commit :::::: 28ee90fe6048fa7b7ceaeb8831c0e4e454a4cf89 x86/mm: implement free pmd/pte page interfaces :::::: TO: Toshi Kani <toshi.k...@hpe.com> :::::: CC: Linus Torvalds <torva...@linux-foundation.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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