On Wed, Apr 24, 2019 at 10:13:15AM -0700, Dan Williams wrote: > I think unaligned addresses have always been passed to > vmf_insert_pfn_pmd(), but nothing cared until this patch. I *think* > the only change needed is the following, thoughts? > > diff --git a/fs/dax.c b/fs/dax.c > index ca0671d55aa6..82aee9a87efa 100644 > --- a/fs/dax.c > +++ b/fs/dax.c > @@ -1560,7 +1560,7 @@ static vm_fault_t dax_iomap_pmd_fault(struct > vm_fault *vmf, pfn_t *pfnp, > } > > trace_dax_pmd_insert_mapping(inode, vmf, PMD_SIZE, pfn, entry); > - result = vmf_insert_pfn_pmd(vma, vmf->address, vmf->pmd, pfn, > + result = vmf_insert_pfn_pmd(vma, pmd_addr, vmf->pmd, pfn, > write); We also call vmf_insert_pfn_pmd() in dax_insert_pfn_mkwrite() -- does that need to change too?
