From: Joerg Roedel <jroedel@xxxxxxx> Do not require a struct page for the mapped memory location because it might not exist. This can happen when an ioremapped region is mapped with 2MB pages. Signed-off-by: Joerg Roedel <jroedel@xxxxxxx> --- arch/x86/mm/fault.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 794f364cb882..4a4049f6d458 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -200,7 +200,7 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) if (!pmd_present(*pmd)) set_pmd(pmd, *pmd_k); else - BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k)); + BUG_ON(pmd_pfn(*pmd) != pmd_pfn(*pmd_k)); return pmd_k; } -- 2.17.1
