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-rw-r--r--mm/mprotect.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 3a23dde73723..bc6bddd156ca 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -196,10 +196,11 @@ static unsigned long change_pte_range(struct mmu_gather *tlb,
pages++;
} else if (is_swap_pte(oldpte)) {
swp_entry_t entry = pte_to_swp_entry(oldpte);
- struct page *page = pfn_swap_entry_to_page(entry);
pte_t newpte;
if (is_writable_migration_entry(entry)) {
+ struct page *page = pfn_swap_entry_to_page(entry);
+
/*
* A protection check is difficult so
* just be safe and disable write