Messages in this thread | | | Date | Thu, 29 Mar 2018 19:53:32 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH v7 1/4] ioremap: Update pgtable free interfaces with addr |
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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/ioremap-Update-pgtable-free-interfaces-with-addr/20180329-133736 config: x86_64-rhel (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=x86_64
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]), addr + (i * PMD_SIZE)) ^~~~~~~~~~~~~~~~~ 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); ^~~~~~~~~~~~~~~~~ arch/x86/mm/pgtable.c:725:34: warning: left-hand operand of comma expression has no effect [-Wunused-value] if (!pmd_free_pte_page(&pmd[i]), addr + (i * PMD_SIZE)) ^
vim +/pmd_free_pte_page +725 arch/x86/mm/pgtable.c
705 706 /** 707 * pud_free_pmd_page - Clear pud entry and free pmd page. 708 * @pud: Pointer to a PUD. 709 * @addr: Virtual address associated with pud. 710 * 711 * Context: The pud range has been unmaped and TLB purged. 712 * Return: 1 if clearing the entry succeeded. 0 otherwise. 713 */ 714 int pud_free_pmd_page(pud_t *pud, unsigned long addr) 715 { 716 pmd_t *pmd; 717 int i; 718 719 if (pud_none(*pud)) 720 return 1; 721 722 pmd = (pmd_t *)pud_page_vaddr(*pud); 723 724 for (i = 0; i < PTRS_PER_PMD; i++) > 725 if (!pmd_free_pte_page(&pmd[i]), addr + (i * PMD_SIZE)) 726 return 0; 727 728 pud_clear(pud); 729 free_page((unsigned long)pmd); 730 731 return 1; 732 } 733
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