diff options
| author | Jan Kara <jack@suse.cz> | 2016-12-07 11:02:19 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2016-12-09 16:04:15 +1100 |
| commit | b7b28c82ba7211881c058e05a1d498c656afdeb1 (patch) | |
| tree | 4713c4d0cdf9fcae1e8d95fcf05e3f4f88d025e7 | |
| parent | 5f2ad7577072d013b442deba72b17c164e2f52e4 (diff) | |
mm: use passed vm_fault structure for in wp_pfn_shared()
Instead of creating another vm_fault structure, use the one passed to
wp_pfn_shared() for passing arguments into pfn_mkwrite handler.
Link: http://lkml.kernel.org/r/1479460644-25076-7-git-send-email-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/memory.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/mm/memory.c b/mm/memory.c index e8c42905d9f8..bbbc0676cb64 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, - .address = vmf->address, - .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, |