diff --git a/mm/memory.c b/mm/memory.c index ddebfa1457f4..7f29d9394bdf 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3358,10 +3358,9 @@ static vm_fault_t wp_pfn_shared(struct vm_fault *vmf) vm_fault_t ret; pte_unmap_unlock(vmf->pte, vmf->ptl); - if (vmf->flags & FAULT_FLAG_VMA_LOCK) { - vma_end_read(vmf->vma); - return VM_FAULT_RETRY; - } + ret = vmf_can_call_fault(vmf); + if (ret) + return ret; vmf->flags |= FAULT_FLAG_MKWRITE; ret = vma->vm_ops->pfn_mkwrite(vmf); @@ -3385,10 +3384,10 @@ static vm_fault_t wp_page_shared(struct vm_fault *vmf) vm_fault_t tmp; pte_unmap_unlock(vmf->pte, vmf->ptl); - if (vmf->flags & FAULT_FLAG_VMA_LOCK) { + tmp = vmf_can_call_fault(vmf); + if (tmp) { put_page(vmf->page); - vma_end_read(vmf->vma); - return VM_FAULT_RETRY; + return tmp; } tmp = do_page_mkwrite(vmf);