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UPSTREAM: arm64: vdso: constify vm_special_mapping used for aarch32 vectors page

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(cherry pick from commit b6d081bddf)

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>
Bug: 20045882
Bug: 19198045
Change-Id: If1afd11bfeefee45a2b96634b18143937a773a14
This commit is contained in:
Jisheng Zhang
2016-08-15 14:45:45 +08:00
committed by Amit Pundir
parent 7a2364f89c
commit b18f480012
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kernel/vdso.c
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@@ -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,