This looks like a complete mess (why are we setting page->index at page fault time?), but I no longer care about DAX, and there's no reason to let DAX hold us back from removing page->index. Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> --- drivers/dax/device.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/dax/device.c b/drivers/dax/device.c index 6d74e62bbee0..bc871a34b9cd 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -89,14 +89,13 @@ static void dax_set_mapping(struct vm_fault *vmf, pfn_t pfn, ALIGN_DOWN(vmf->address, fault_size)); for (i = 0; i < nr_pages; i++) { - struct page *page = pfn_to_page(pfn_t_to_pfn(pfn) + i); + struct folio *folio = pfn_folio(pfn_t_to_pfn(pfn) + i); - page = compound_head(page); - if (page->mapping) + if (folio->mapping) continue; - page->mapping = filp->f_mapping; - page->index = pgoff + i; + folio->mapping = filp->f_mapping; + folio->index = pgoff + i; } } -- 2.45.2