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Date: Tue, 10 Mar 2020 13:38:16 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>, Mo Qihui <qihui.mo@...isilicon.com>, Zhange Jian <zhang_jian5@...uatech.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.4 050/168] csky/mm: Fixup export invalid_pte_table symbol From: Guo Ren <guoren@...ux.alibaba.com> [ Upstream commit 7f4a567332f035ab16b29010fbd04a0f10183c77 ] There is no present bit in csky pmd hardware, so we need to prepare invalid_pte_table for empty pmd entry and the functions (pmd_none & pmd_present) in pgtable.h need invalid_pte_talbe to get result. If a module use these functions, we need export the symbol for it. Signed-off-by: Guo Ren <guoren@...ux.alibaba.com> Cc: Mo Qihui <qihui.mo@...isilicon.com> Cc: Zhange Jian <zhang_jian5@...uatech.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- arch/csky/mm/init.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c index d4c2292ea46bc..00e96278b3776 100644 --- a/arch/csky/mm/init.c +++ b/arch/csky/mm/init.c @@ -31,6 +31,7 @@ pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_bss; pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned_bss; +EXPORT_SYMBOL(invalid_pte_table); unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss; EXPORT_SYMBOL(empty_zero_page); -- 2.20.1
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