From: Minfei Huang <mnfhuang@xxxxxxxxx>
Usually we prefer to let compiler put the module initialized function to
section ".init.text". Thus this text in memory will be freed in future.
Once we add the "__init" preceding function name, we can use following
command to find it in specfied section.
$ objdump -t -j .init.text built-in.o
built-in.o: file format elf64-x86-64
SYMBOL TABLE:
0000000000000000 l d .init.text 0000000000000000 .init.text
0000000000000000 l F .init.text 000000000000004e klp_init
Signed-off-by: Minfei Huang <mnfhuang@xxxxxxxxx>
---
kernel/livepatch/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
index 284e269..86e40b9 100644
--- a/kernel/livepatch/core.c
+++ b/kernel/livepatch/core.c
@@ -973,7 +973,7 @@ static struct notifier_block klp_module_nb = {
.priority = INT_MIN+1, /* called late but before ftrace notifier */
};
-static int klp_init(void)
+static int __init klp_init(void)
{
int ret;
--
2.2.2
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