um: Mark get_top_address as __init

It's only invoked during boot from linux_main().

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20241128083137.2219830-4-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index c48cef206828f72e069450651ea52da2f63c9299..79ea97d4797ecc9c157ee948ae0505bcdef84da5 100644 (file)
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -289,7 +289,7 @@ static void __init parse_cache_line(char *line)
        }
 }
 
-static unsigned long get_top_address(char **envp)
+static unsigned long __init get_top_address(char **envp)
 {
        unsigned long top_addr = (unsigned long) &top_addr;
        int i;