linux-kernel - [PATCH] arm: 9016/2: Make symbol 'tmp_pmd

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Message-ID: <20210327083018.1922539-1-liushixin2@huawei.com>
Date:   Sat, 27 Mar 2021 16:30:18 +0800
From:   Shixin Liu <liushixin2@...wei.com>
To:     Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Alexander Potapenko <glider@...gle.com>,
        "Andrey Konovalov" <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>
CC:     <kasan-dev@...glegroups.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Shixin Liu <liushixin2@...wei.com>
Subject: [PATCH] arm: 9016/2: Make symbol 'tmp_pmd_table' static

Symbol 'tmp_pmd_table' is not used outside of kasan_init.c and only used
when CONFIG_ARM_LPAE enabled. So marks it static and add it into CONFIG_ARM_LPAE.

Signed-off-by: Shixin Liu <liushixin2@...wei.com>
---
 arch/arm/mm/kasan_init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c
index 9c348042a724..3a06d3b51f97 100644
--- a/arch/arm/mm/kasan_init.c
+++ b/arch/arm/mm/kasan_init.c
@@ -27,7 +27,9 @@
 
 static pgd_t tmp_pgd_table[PTRS_PER_PGD] __initdata __aligned(PGD_SIZE);
 
-pmd_t tmp_pmd_table[PTRS_PER_PMD] __page_aligned_bss;
+#ifdef CONFIG_ARM_LPAE
+static pmd_t tmp_pmd_table[PTRS_PER_PMD] __page_aligned_bss;
+#endif
 
 static __init void *kasan_alloc_block(size_t size)
 {
-- 
2.25.1