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-rw-r--r--mm/memory.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 0ae594703021..01f39e8144ef 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3951,6 +3951,13 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
}
/*
+ * Some architectures may have to restore extra metadata to the page
+ * when reading from swap. This metadata may be indexed by swap entry
+ * so this must be called before swap_free().
+ */
+ arch_swap_restore(entry, folio);
+
+ /*
* Remove the swap entry and conditionally try to free up the swapcache.
* We're already holding a reference on the page but haven't mapped it
* yet.