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SubjectRe: [PATCH linux-next] LoongArch: mm: Export symbol for invalid_pud_table.
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On 10/7/23 00:53, Tianrui Zhao wrote:
> Export symbol for invalid_pud_table, so it can be used
> by the files in other directories.
>
> And this can resolve the problem caused in:
> https://lore.kernel.org/lkml/20230927030959.3629941-5-zhaotianrui@loongson.cn/
> ERROR: modpost: "invalid_pud_table" [arch/loongarch/kvm/kvm.ko] undefined!
>
> Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>

Thanks.

> ---
> arch/loongarch/mm/init.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
> index f3fe8c06ba4d..ddf1330c924c 100644
> --- a/arch/loongarch/mm/init.c
> +++ b/arch/loongarch/mm/init.c
> @@ -240,6 +240,7 @@ pgd_t swapper_pg_dir[_PTRS_PER_PGD] __section(".bss..swapper_pg_dir");
> pgd_t invalid_pg_dir[_PTRS_PER_PGD] __page_aligned_bss;
> #ifndef __PAGETABLE_PUD_FOLDED
> pud_t invalid_pud_table[PTRS_PER_PUD] __page_aligned_bss;
> +EXPORT_SYMBOL(invalid_pud_table);
> #endif
> #ifndef __PAGETABLE_PMD_FOLDED
> pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned_bss;

--
~Randy

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