lkml.org 
[lkml]   [2015]   [Aug]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC] arm: change some function and data to init section
Date
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.wang2010@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


\
 
 \ /
  Last update: 2015-08-25 10:01    [W:0.595 / U:0.596 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site