Commit 9a5085b3 authored by Richard Weinberger's avatar Richard Weinberger
Browse files

um: Call pgtable_pmd_page_dtor() in __pmd_free_tlb() 



Commit b2b29d6d ("mm: account PMD tables like PTE tables") uncovered
a bug in uml, we forgot to call the destructor.
While we are here, give x a sane name.

Reported-by: default avatarAnton Ivanov <anton.ivanov@cambridgegreys.com>
Co-developed-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Tested-by: default avatarChristopher Obbard <chris.obbard@collabora.com>
parent eccc8767

arch/um/include/asm/pgalloc.h

+7 −1
Original line number Diff line number Diff line
@@ -33,7 +33,13 @@ do { \ 
} while (0)



#ifdef CONFIG_3_LEVEL_PGTABLES

#define __pmd_free_tlb(tlb,x, address)   tlb_remove_page((tlb),virt_to_page(x))



#define __pmd_free_tlb(tlb, pmd, address)		\

do {							\

	pgtable_pmd_page_dtor(virt_to_page(pmd));	\

	tlb_remove_page((tlb),virt_to_page(pmd));	\

} while (0)						\



#endif



#endif