[PATCH 3/3] s390:add missing CONFIG_STRICT_KERNEL_RWX for mark_rodata_ro
From: nixiaoming <hidden>
Date: 2018-05-29 14:00:09
Also in:
lkml
Subsystem:
s390 architecture, the rest · Maintainers:
Heiko Carstens, Vasily Gorbik, Alexander Gordeev, Linus Torvalds
mark_rodata_ro is only called by the function mark_readonly when CONFIG_STRICT_KERNEL_RWX=y if CONFIG_STRICT_KERNEL_RWX is not set a compile warning may be triggered: unused function Signed-off-by: nixiaoming <redacted> --- arch/s390/mm/init.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 3fa3e53..a96fc3f 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c@@ -116,6 +116,7 @@ void __init paging_init(void) free_area_init_nodes(max_zone_pfns); } +#ifdef CONFIG_STRICT_KERNEL_RWX void mark_rodata_ro(void) { unsigned long size = __end_ro_after_init - __start_ro_after_init;
@@ -123,6 +124,7 @@ void mark_rodata_ro(void) set_memory_ro((unsigned long)__start_ro_after_init, size >> PAGE_SHIFT); pr_info("Write protected read-only-after-init data: %luk\n", size >> 10); } +#endif void __init mem_init(void) {
--
2.10.1