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mm: rename page->index to page->__folio_index

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All users of page->index have been converted to not refer to it any more. 
Update a few pieces of documentation that were missed and prevent new
users from appearing (or at least make them easy to grep for).

Link: https://lkml.kernel.org/r/20250514181508.3019795-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2025-05-14 19:15:07 +01:00
committed by Andrew Morton
parent e94715982c
commit acc53a0b4c
9 changed files with 19 additions and 19 deletions
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4
mm/memory.c
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@@ -4668,8 +4668,8 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
/*
* KSM sometimes has to copy on read faults, for example, if
* page->index of !PageKSM() pages would be nonlinear inside the
* anon VMA -- PageKSM() is lost on actual swapout.
* folio->index of non-ksm folios would be nonlinear inside the
* anon VMA -- the ksm flag is lost on actual swapout.
*/
folio = ksm_might_need_to_copy(folio, vma, vmf->address);
if (unlikely(!folio)) {