On Wed, Jan 9, 2019 at 9:45 PM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote: > > convert to use vm_fault_t type as return type for > fault handler. > > Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx> kbuild reported a warning during testing of final vm_fault_t patch integrated in mm tree. [auto build test WARNING on linus/master] [also build test WARNING on v5.0-rc1 next-20190109] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Souptick-Joarder/mm-Create-the-new-vm_fault_t-type/20190109-154216 >> kernel/memremap.c:46:34: warning: incorrect type in return expression (different base types) kernel/memremap.c:46:34: expected restricted vm_fault_t kernel/memremap.c:46:34: got int This patch has fixed the warning. > --- > include/linux/hmm.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/hmm.h b/include/linux/hmm.h > index 66f9ebb..7c5ace3 100644 > --- a/include/linux/hmm.h > +++ b/include/linux/hmm.h > @@ -468,7 +468,7 @@ struct hmm_devmem_ops { > * Note that mmap semaphore is held in read mode at least when this > * callback occurs, hence the vma is valid upon callback entry. > */ > - int (*fault)(struct hmm_devmem *devmem, > + vm_fault_t (*fault)(struct hmm_devmem *devmem, > struct vm_area_struct *vma, > unsigned long addr, > const struct page *page, > -- > 1.9.1 >