linux-kernel - [PATCH linux-next] LoongArch: mm: Export symbol for invalid_pud

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Message-Id: <20231007075303.263407-1-zhaotianrui@loongson.cn>
Date:   Sat,  7 Oct 2023 15:53:03 +0800
From:   Tianrui Zhao <zhaotianrui@...ngson.cn>
To:     Randy Dunlap <rdunlap@...radead.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list : LOONGARCH" <loongarch@...ts.linux.dev>,
        KVM list <kvm@...r.kernel.org>, zhaotianrui@...ngson.cn,
        maobibo@...ngson.cn, Huacai Chen <chenhuacai@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>
Subject: [PATCH linux-next] LoongArch: mm: Export symbol for invalid_pud_table.

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@...ngson.cn>
---
 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;
-- 
2.39.1