[PATCH] perf: Remove setting of page->index and ->mapping

[Matthew Wilcox (Oracle)]

I have no idea why perf is setting these fields.  There should be
no need to do this.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
 kernel/events/core.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index aa3450bdc227..f55ab04f3df0 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6221,8 +6221,6 @@ static vm_fault_t perf_mmap_fault(struct vm_fault *vmf)
 		goto unlock;
 
 	get_page(vmf->page);
-	vmf->page->mapping = vmf->vma->vm_file->f_mapping;
-	vmf->page->index   = vmf->pgoff;
 
 	ret = 0;
 unlock:
-- 
2.43.0