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Subject[PATCH v2] uio: Change return type to vm_fault_t
Use new return type vm_fault_t for fault handler
in struct vm_operations_struct. 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 commit id->

Signed-off-by: Souptick Joarder <>
Reviewed-by: Matthew Wilcox <>
v2: Modified the change log

drivers/uio/uio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index fd48483..d9235f3 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -597,7 +597,7 @@ static int uio_find_mem_index(struct vm_area_struct *vma)
return -1;

-static int uio_vma_fault(struct vm_fault *vmf)
+static vm_fault_t uio_vma_fault(struct vm_fault *vmf)
struct uio_device *idev = vmf->vma->vm_private_data;
struct page *page;
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