Instead of creating another vm_fault structure, use the one passed to
wp_pfn_shared() for passing arguments into pfn_mkwrite handler.
Signed-off-by: Jan Kara <j...@suse.cz>
---
mm/memory.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/mm/memory.c b/mm/memory.c
index ba7760fb7db2..48de8187d7b2 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2273,16 +2273,11 @@ static int wp_pfn_shared(struct vm_fault *vmf, pte_t
orig_pte)
struct vm_area_struct *vma = vmf->vma;
if (vma->vm_ops && vma->vm_ops->pfn_mkwrite) {
- struct vm_fault vmf2 = {
- .page = NULL,
- .pgoff = vmf->pgoff,
- .virtual_address = vmf->address & PAGE_MASK,
- .flags = FAULT_FLAG_WRITE | FAULT_FLAG_MKWRITE,
- };
int ret;
pte_unmap_unlock(vmf->pte, vmf->ptl);
- ret = vma->vm_ops->pfn_mkwrite(vma, &vmf2);
+ vmf->flags |= FAULT_FLAG_MKWRITE;
+ ret = vma->vm_ops->pfn_mkwrite(vma, vmf);
if (ret & VM_FAULT_ERROR)
return ret;
vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd,
--
2.6.6
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