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| author | Jan Kara <jack@suse.cz> | 2016-12-14 15:07:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-14 16:04:09 -0800 |
| commit | fe82221f57ea6840a4238a8e077e3f93f257a03f (patch) | |
| tree | 82091548e178d6b3b32f436354057e6e1779fb9a /mm/memory.c | |
| parent | 936ca80d3773bd9b6dda8a0dfd54425f9ec1be9d (diff) | |
| download | linux-stable-fe82221f57ea6840a4238a8e077e3f93f257a03f.tar.gz linux-stable-fe82221f57ea6840a4238a8e077e3f93f257a03f.tar.bz2 linux-stable-fe82221f57ea6840a4238a8e077e3f93f257a03f.zip | |
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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
| -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 78b81e8984df..7ba9cc58dddd 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, |