This patch change some function and the related data to init section,
they are only called by free_initmem(), can be freed safely after
boot up.
Signed-off-by: yalin wang <yalin.wang2...@gmail.com>
---
arch/arm/mm/init.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 8a63b4c..7b505de 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -577,7 +577,7 @@ struct section_perm {
pmdval_t clear;
};
-static struct section_perm nx_perms[] = {
+static struct section_perm nx_perms[] __initdata = {
/* Make pages tables, etc before _stext RW (set NX). */
{
.start = PAGE_OFFSET,
@@ -680,7 +680,7 @@ static inline bool arch_has_strict_perms(void)
} \
}
-static inline void fix_kernmem_perms(void)
+static void __init fix_kernmem_perms(void)
{
set_section_perms(nx_perms, prot);
}
@@ -706,7 +706,7 @@ void set_kernel_text_ro(void)
static inline void fix_kernmem_perms(void) { }
#endif /* CONFIG_ARM_KERNMEM_PERMS */
-void free_tcmmem(void)
+static void __init free_tcmmem(void)
{
#ifdef CONFIG_HAVE_TCM
extern char __tcm_start, __tcm_end;
@@ -716,7 +716,7 @@ void free_tcmmem(void)
#endif
}
-void free_initmem(void)
+void __init_refok free_initmem(void)
{
fix_kernmem_perms();
free_tcmmem();
@@ -728,9 +728,9 @@ void free_initmem(void)
#ifdef CONFIG_BLK_DEV_INITRD
-static int keep_initrd;
+static int keep_initrd __initdata;
-void free_initrd_mem(unsigned long start, unsigned long end)
+void __init free_initrd_mem(unsigned long start, unsigned long end)
{
if (!keep_initrd) {
if (start == initrd_start)
--
1.9.1
--
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