linux-kernel - [PATCH 1/5] powerpc/secvar: Mark _

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Message-Id: <20241216-sysfs-const-bin_attr-powerpc-v1-1-bbed8906f476@weissschuh.net>
Date: Mon, 16 Dec 2024 05:07:43 +0100
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Michael Ellerman <mpe@...erman.id.au>, 
 Nicholas Piggin <npiggin@...il.com>, 
 Christophe Leroy <christophe.leroy@...roup.eu>, 
 Naveen N Rao <naveen@...nel.org>, Madhavan Srinivasan <maddy@...ux.ibm.com>
Cc: linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 1/5] powerpc/secvar: Mark __init functions as such

The setup functions are only called during the init phase of the kernel.
They can be discarded and their memory reused after that.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 arch/powerpc/kernel/secvar-sysfs.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/secvar-sysfs.c b/arch/powerpc/kernel/secvar-sysfs.c
index fbeb1cbac01b2c575cb7a71b16d214f2f822c489..b7536fbe8c4f43fa0f523c64685167b8b9dfd5ee 100644
--- a/arch/powerpc/kernel/secvar-sysfs.c
+++ b/arch/powerpc/kernel/secvar-sysfs.c
@@ -130,7 +130,7 @@ static const struct kobj_type secvar_ktype = {
 	.default_groups = secvar_attr_groups,
 };
 
-static int update_kobj_size(void)
+static __init int update_kobj_size(void)
 {
 
 	u64 varsize;
@@ -145,7 +145,7 @@ static int update_kobj_size(void)
 	return 0;
 }
 
-static int secvar_sysfs_config(struct kobject *kobj)
+static __init int secvar_sysfs_config(struct kobject *kobj)
 {
 	struct attribute_group config_group = {
 		.name = "config",
@@ -158,7 +158,7 @@ static int secvar_sysfs_config(struct kobject *kobj)
 	return 0;
 }
 
-static int add_var(const char *name)
+static __init int add_var(const char *name)
 {
 	struct kobject *kobj;
 	int rc;
@@ -181,7 +181,7 @@ static int add_var(const char *name)
 	return 0;
 }
 
-static int secvar_sysfs_load(void)
+static __init int secvar_sysfs_load(void)
 {
 	u64 namesize = 0;
 	char *name;
@@ -209,7 +209,7 @@ static int secvar_sysfs_load(void)
 	return rc;
 }
 
-static int secvar_sysfs_load_static(void)
+static __init int secvar_sysfs_load_static(void)
 {
 	const char * const *name_ptr = secvar_ops->var_names;
 	int rc;
@@ -224,7 +224,7 @@ static int secvar_sysfs_load_static(void)
 	return 0;
 }
 
-static int secvar_sysfs_init(void)
+static __init int secvar_sysfs_init(void)
 {
 	u64 max_size;
 	int rc;

-- 
2.47.1