pte_index is an internal arch helper in various architectures,
without consistent semantics. Open code that calculation of a PMD
index based on the virtual address instead.
Signed-off-by: Christoph Hellwig <h...@lst.de>
---
mm/hmm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/hmm.c b/mm/hmm.c
index 03d37e102e3b..2083e4db46f5 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -486,7 +486,7 @@ static int hmm_vma_handle_pmd(struct mm_walk *walk,
if (pmd_protnone(pmd) || fault || write_fault)
return hmm_vma_walk_hole_(addr, end, fault, write_fault, walk);
- pfn = pmd_pfn(pmd) + pte_index(addr);
+ pfn = pmd_pfn(pmd) + ((addr & ~PMD_MASK) >> PAGE_SHIFT);
for (i = 0; addr < end; addr += PAGE_SIZE, i++, pfn++) {
if (pmd_devmap(pmd)) {
pgmap = get_dev_pagemap(pfn, pgmap);
--
2.20.1
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