On Tue, Apr 17, 2018 at 9:20 PM, Souptick Joarder <[email protected]> wrote: > Use new return type vm_fault_t for fault handler. For > now, this is just documenting that the function returns > a VM_FAULT value rather than an errno. Once all instances > are converted, vm_fault_t will become a distinct type. > > Reference id -> 1c8f422059ae ("mm: change return type to > vm_fault_t") > > Previously vm_insert_pfn() returns err but driver returns > VM_FAULT_NOPAGE as default. The new function vmf_insert_pfn() > will replace this inefficiency by returning correct VM_FAULT_* > type. > > vmf_handle_error is a inline wrapper function which > will convert error number to vm_fault_t type err. > > Signed-off-by: Souptick Joarder <[email protected]> > Reviewed-by: Matthew Wilcox <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
