UPSTREAM: arm64: vdso: add __init section marker to alloc_vectors_page

(cherry pick from commit 1aed28f94ce6c1f6c24bcbbd5fcd749b55f65e9e)

It is not needed after booting, this patch moves the alloc_vectors_page
function to the __init section.

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: I1d7b89f9e20890b18e77c8752f1eef33d721ea81

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index 54f7b327fd1833ef00fd2d5ec18f5a9841ba1865..0949b4812887c06a06b3f81045f449e8873060af 100644 (file)
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -55,7 +55,7 @@ struct vdso_data *vdso_data = &vdso_data_store.data;
  */
 static struct page *vectors_page[1];
 
-static int alloc_vectors_page(void)
+static int __init alloc_vectors_page(void)
 {
        extern char __kuser_helper_start[], __kuser_helper_end[];
        extern char __aarch32_sigret_code_start[], __aarch32_sigret_code_end[];