Commit-ID: ff924c5a1ec7548825cc2d07980b03be4224ffac Gitweb: https://git.kernel.org/tip/ff924c5a1ec7548825cc2d07980b03be4224ffac Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> AuthorDate: Sat, 1 Sep 2018 21:01:28 -0700 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Sun, 2 Sep 2018 11:24:41 +0200 x86/pti: Fix section mismatch warning/error Fix the section mismatch warning in arch/x86/mm/pti.c: WARNING: vmlinux.o(.text+0x6972a): Section mismatch in reference from the function pti_clone_pgtable() to the function .init.text:pti_user_pagetable_walk_pte() The function pti_clone_pgtable() references the function __init pti_user_pagetable_walk_pte(). This is often because pti_clone_pgtable lacks a __init annotation or the annotation of pti_user_pagetable_walk_pte is wrong. FATAL: modpost: Section mismatches detected. Fixes: 85900ea51577 ("x86/pti: Map the vsyscall page if needed") Reported-by: kbuild test robot <lkp@xxxxxxxxx> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Link: https://lkml.kernel.org/r/43a6d6a3-d69d-5eda-da09-0b1c88215a2a@xxxxxxxxxxxxx --- arch/x86/mm/pti.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 31341ae7309f..c1fc1ae6b429 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -248,7 +248,7 @@ static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address) * * Returns a pointer to a PTE on success, or NULL on failure. */ -static __init pte_t *pti_user_pagetable_walk_pte(unsigned long address) +static pte_t *pti_user_pagetable_walk_pte(unsigned long address) { gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); pmd_t *pmd;