[PATCH v2 2/4] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page

From	Jisheng Zhang <jszhang@marvell.com>
Newsgroups	linux.kernel
Subject	[PATCH v2 2/4] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page
Date	2016-08-11 15:50 +0200
Message-ID	<s4YwW-4uy-9@gated-at.bofh.it> (permalink)
References	<s4YwW-4uy-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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@marvell.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

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[PATCH v2 0/4] arm64: put objects into proper sections Jisheng Zhang <jszhang@marvell.com> - 2016-08-11 15:50 +0200
  [PATCH v2 3/4] arm64: kaslr: Fix incorrect placement of __initdata and __read_mostly Jisheng Zhang <jszhang@marvell.com> - 2016-08-11 15:50 +0200
  [PATCH v2 4/4] arm64: apply __ro_after_init to some objects Jisheng Zhang <jszhang@marvell.com> - 2016-08-11 15:50 +0200
    Re: [PATCH v2 4/4] arm64: apply __ro_after_init to some objects Mark Rutland <mark.rutland@arm.com> - 2016-08-11 17:10 +0200
  [PATCH v2 1/4] arm64: vdso: add __init section marker to alloc_vectors_page Jisheng Zhang <jszhang@marvell.com> - 2016-08-11 15:50 +0200
  [PATCH v2 2/4] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page Jisheng Zhang <jszhang@marvell.com> - 2016-08-11 15:50 +0200

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