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Diffstat (limited to 'arch/arm64/mm')
-rw-r--r--arch/arm64/mm/mmu.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 65f86271f02b..8080c9f489c3 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -985,8 +985,9 @@ int pmd_free_pte_page(pmd_t *pmdp, unsigned long addr)
pmd = READ_ONCE(*pmdp);
- /* No-op for empty entry and WARN_ON for valid entry */
- if (!pmd_present(pmd) || !pmd_table(pmd)) {
+ if (!pmd_present(pmd))
+ return 1;
+ if (!pmd_table(pmd)) {
VM_WARN_ON(!pmd_table(pmd));
return 1;
}
@@ -1007,8 +1008,9 @@ int pud_free_pmd_page(pud_t *pudp, unsigned long addr)
pud = READ_ONCE(*pudp);
- /* No-op for empty entry and WARN_ON for valid entry */
- if (!pud_present(pud) || !pud_table(pud)) {
+ if (!pud_present(pud))
+ return 1;
+ if (!pud_table(pud)) {
VM_WARN_ON(!pud_table(pud));
return 1;
}