From: jszhang@marvell.com (Jisheng Zhang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 2/3] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page
Date: Mon, 15 Aug 2016 14:45:45 +0800 [thread overview]
Message-ID: <1471243546-3090-3-git-send-email-jszhang@marvell.com> (raw)
In-Reply-To: <1471243546-3090-1-git-send-email-jszhang@marvell.com>
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
next prev parent reply other threads:[~2016-08-15 6:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-15 6:45 [PATCH v4 0/3] arm64: put objects into proper sections Jisheng Zhang
2016-08-15 6:45 ` [PATCH v4 1/3] arm64: vdso: add __init section marker to alloc_vectors_page Jisheng Zhang
2016-08-15 9:13 ` Mark Rutland
2016-08-15 6:45 ` Jisheng Zhang [this message]
2016-08-15 9:17 ` [PATCH v4 2/3] arm64: vdso: constify vm_special_mapping used for aarch32 vectors page Mark Rutland
2016-08-15 6:45 ` [PATCH v4 3/3] arm64: apply __ro_after_init to some objects Jisheng Zhang
2016-08-15 9:33 ` Mark Rutland
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