arm64: vdso: add __init section marker to alloc_vectors_page

Jisheng Zhang · wildea01 · commit 1aed28f94ce6 · 2016-08-22T12:32:01.000+01:00
It is not needed after booting, this patch moves the alloc_vectors_page
function to the __init section.

Acked-by: Mark Rutland &lt;mark.rutland@arm.com&gt;
Signed-off-by: Jisheng Zhang &lt;jszhang@marvell.com&gt;
Signed-off-by: Will Deacon &lt;will.deacon@arm.com&gt;
diff --git 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[];

Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@ struct vdso_data *vdso_data = &vdso_data_store.data;`
`55`	`55`	`*/`
`56`	`56`	`static struct page *vectors_page[1];`
`57`	`57`
`58`		`-static int alloc_vectors_page(void)`
	`58`	`+static int __init alloc_vectors_page(void)`
`59`	`59`	`{`
`60`	`60`	`extern char __kuser_helper_start[], __kuser_helper_end[];`
`61`	`61`	`extern char __aarch32_sigret_code_start[], __aarch32_sigret_code_end[];`