[PATCH] arm: __pmd_free_tlb(): call page table desctructor

[Mike Rapoport]

As long as PMD tables are accounted as PTE tables ("mm: account PMD tables
like PTE tables") they can be freed only after pgtable_pmd_page_dtor() is
called.

Add the missing call in ARM's version of __pmd_free_tlb for
CONFIG_ARM_LPAE=y case.

Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>
Reported-by: Anders Roxell <anders.roxell@xxxxxxxxxx>
Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
---
 arch/arm/include/asm/tlb.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 9415222b49ad..b8cbe03ad260 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -59,6 +59,7 @@ __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr)
 #ifdef CONFIG_ARM_LPAE
 	struct page *page = virt_to_page(pmdp);
 
+	pgtable_pmd_page_dtor(page);
 	tlb_remove_table(tlb, page);
 #endif
 }
-- 
2.26.2