[PATCH v3 2/4] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page

From	Jisheng Zhang <jszhang@marvell.com>
Newsgroups	linux.kernel
Subject	[PATCH v3 2/4] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page
Date	2016-08-12 10:10 +0200
Message-ID	<s5fHr-7yv-7@gated-at.bofh.it> (permalink)
References	<s5fHr-7yv-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH v3 2/4] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page Jisheng Zhang <jszhang@marvell.com> - 2016-08-12 10:10 +0200

csiph-web