diff options
Diffstat (limited to 'drivers/dax')
| -rw-r--r-- | drivers/dax/dax.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c index 94036d92ed16..352cc54056ce 100644 --- a/drivers/dax/dax.c +++ b/drivers/dax/dax.c @@ -435,7 +435,8 @@ static int __dax_dev_pte_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) dax_region = dax_dev->region; if (dax_region->align > PAGE_SIZE) { - dev_dbg(dev, "%s: alignment > fault size\n", __func__); + dev_dbg(dev, "%s: alignment (%#x) > fault size (%#x)\n", + __func__, dax_region->align, fault_size); return VM_FAULT_SIGBUS; } @@ -476,13 +477,14 @@ static int __dax_dev_pmd_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) dax_region = dax_dev->region; if (dax_region->align > PMD_SIZE) { - dev_dbg(dev, "%s: alignment > fault size\n", __func__); + dev_dbg(dev, "%s: alignment (%#x) > fault size (%#x)\n", + __func__, dax_region->align, fault_size); return VM_FAULT_SIGBUS; } /* dax pmd mappings require pfn_t_devmap() */ if ((dax_region->pfn_flags & (PFN_DEV|PFN_MAP)) != (PFN_DEV|PFN_MAP)) { - dev_dbg(dev, "%s: alignment > fault size\n", __func__); + dev_dbg(dev, "%s: region lacks devmap flags\n", __func__); return VM_FAULT_SIGBUS; } @@ -527,13 +529,14 @@ static int __dax_dev_pud_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) dax_region = dax_dev->region; if (dax_region->align > PUD_SIZE) { - dev_dbg(dev, "%s: alignment > fault size\n", __func__); + dev_dbg(dev, "%s: alignment (%#x) > fault size (%#x)\n", + __func__, dax_region->align, fault_size); return VM_FAULT_SIGBUS; } /* dax pud mappings require pfn_t_devmap() */ if ((dax_region->pfn_flags & (PFN_DEV|PFN_MAP)) != (PFN_DEV|PFN_MAP)) { - dev_dbg(dev, "%s: alignment > fault size\n", __func__); + dev_dbg(dev, "%s: region lacks devmap flags\n", __func__); return VM_FAULT_SIGBUS; } @@ -574,10 +577,10 @@ static int dax_dev_huge_fault(struct vm_fault *vmf, struct file *filp = vmf->vma->vm_file; struct dax_dev *dax_dev = filp->private_data; - dev_dbg(&dax_dev->dev, "%s: %s: %s (%#lx - %#lx)\n", __func__, + dev_dbg(&dax_dev->dev, "%s: %s: %s (%#lx - %#lx) size = %d\n", __func__, current->comm, (vmf->flags & FAULT_FLAG_WRITE) ? "write" : "read", - vmf->vma->vm_start, vmf->vma->vm_end); + vmf->vma->vm_start, vmf->vma->vm_end, pe_size); id = srcu_read_lock(&dax_srcu); switch (pe_size) { |