Commit 3fdd1b47 authored by Matthew Wilcox's avatar Matthew Wilcox Committed by Linus Torvalds

dax: use linear_page_index()

I was basically open-coding it (thanks to copying code from do_fault()
which probably also needs to be fixed).
Signed-off-by: default avatarMatthew Wilcox <willy@linux.intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 73a6ec47
......@@ -529,7 +529,7 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address,
if ((pmd_addr + PMD_SIZE) > vma->vm_end)
return VM_FAULT_FALLBACK;
pgoff = ((pmd_addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
pgoff = linear_page_index(vma, pmd_addr);
size = (i_size_read(inode) + PAGE_SIZE - 1) >> PAGE_SHIFT;
if (pgoff >= size)
return VM_FAULT_SIGBUS;
......
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