linux-kernel - [PATCH v4 2/3] arm64: vdso: constify vm_special

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Message-ID: <1471243546-3090-3-git-send-email-jszhang@marvell.com>
Date:	Mon, 15 Aug 2016 14:45:45 +0800
From:	Jisheng Zhang <jszhang@...vell.com>
To:	<catalin.marinas@....com>, <will.deacon@....com>,
	<lorenzo.pieralisi@....com>, <keescook@...omium.org>,
	<mark.rutland@....com>
CC:	<ard.biesheuvel@...aro.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Jisheng Zhang <jszhang@...vell.com>
Subject: [PATCH v4 2/3] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page

The vm_special_mapping spec which is used for aarch32 vectors page is
never modified, so mark it as const.

Signed-off-by: Jisheng Zhang <jszhang@...vell.com>
---
 arch/arm64/kernel/vdso.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index e320e8f..10ad8ab 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -88,7 +88,7 @@ int aarch32_setup_vectors_page(struct linux_binprm *bprm, int uses_interp)
 {
 	struct mm_struct *mm = current->mm;
 	unsigned long addr = AARCH32_VECTORS_BASE;
-	static struct vm_special_mapping spec = {
+	static const struct vm_special_mapping spec = {
 		.name	= "[vectors]",
 		.pages	= vectors_page,
 
-- 
2.8.1