From: Jisheng Zhang <jszhang@marvell.com>
Date: Mon, 15 Aug 2016 06:45:45 +0000 (+0800)
Subject: arm64: vdso: constify vm_special_mapping used for aarch32 vectors page
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b6d081bddf397026575a437b603b118dff2606ff;p=openwrt%2Fstaging%2Fblogic.git

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.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index e320e8f96de4..10ad8abe7ec5 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,