This function is only currently used by the memory-failure code, so we can omit it if we're not compiling in the memory-failure code. Suggested-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Jane Chu <jane.chu@xxxxxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> --- mm/page_vma_mapped.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index c202eab84936..ae5cc42aa208 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -314,6 +314,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw) return false; } +#ifdef CONFIG_MEMORY_FAILURE /** * page_mapped_in_vma - check whether a page is really mapped in a VMA * @page: the page to test @@ -344,3 +345,4 @@ unsigned long page_mapped_in_vma(struct page *page, struct vm_area_struct *vma) out: return pvmw.address; } +#endif -- 2.43.0
