linux-kernel - [PATCH 1/3] init: bootconfig: Remove all bootconfig data when the init memory is removed

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Message-Id: <162996912688.236535.4047855429538984099.stgit@devnote2>
Date:   Thu, 26 Aug 2021 18:12:07 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] init: bootconfig: Remove all bootconfig data when the init memory is removed

Since the bootconfig is used only in the init functions,
it doesn't need to keep the data after boot. Free it when
the init memory is removed.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
 init/main.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/init/main.c b/init/main.c
index 8d97aba78c3a..d9b0a99bb2dd 100644
--- a/init/main.c
+++ b/init/main.c
@@ -1493,6 +1493,7 @@ static int __ref kernel_init(void *unused)
 	kprobe_free_init_mem();
 	ftrace_free_init_mem();
 	kgdb_free_init_mem();
+	xbc_destroy_all();
 	free_initmem();
 	mark_readonly();