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.
Ref-> commit 1c8f422059ae ("mm: change return type to
vm_fault_t")
vmf_error() is the newly introduce inline function
in 4.17-rc6.
Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Reviewed-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
---
mm/shmem.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/mm/shmem.c b/mm/shmem.c
index 9d6c7e5..6207c82 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1931,14 +1931,14 @@ static int synchronous_wake_function(wait_queue_entry_t *wait, unsigned mode, in
return ret;
}
-static int shmem_fault(struct vm_fault *vmf)
+static vm_fault_t shmem_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct inode *inode = file_inode(vma->vm_file);
gfp_t gfp = mapping_gfp_mask(inode->i_mapping);
enum sgp_type sgp;
- int error;
- int ret = VM_FAULT_LOCKED;
+ int err;
+ vm_fault_t ret = VM_FAULT_LOCKED;
/*
* Trinity finds that probing a hole which tmpfs is punching can
@@ -2006,10 +2006,10 @@ static int shmem_fault(struct vm_fault *vmf)
else if (vma->vm_flags & VM_HUGEPAGE)
sgp = SGP_HUGE;
- error = shmem_getpage_gfp(inode, vmf->pgoff, &vmf->page, sgp,
+ err = shmem_getpage_gfp(inode, vmf->pgoff, &vmf->page, sgp,
gfp, vma, vmf, &ret);
- if (error)
- return ((error == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS);
+ if (err)
+ return vmf_error(err);
return ret;
}
--
1.9.1
