linux-kernel - [PATCH] initramfs: mask my_inptr as _

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Date:   Sat, 27 Aug 2022 15:11:16 +0800
From:   wuchi <wuchi.zero@...il.com>
To:     viro@...iv.linux.org.uk, willy@...radead.org, mwilck@...e.com,
        ddiss@...e.de, akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] initramfs: mask my_inptr as __initdata

As my_inptr is only used in __init function unpack_to_rootfs(),
mark it as __initdata to allow it be freed after boot.

Signed-off-by: wuchi <wuchi.zero@...il.com>
---
 init/initramfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init/initramfs.c b/init/initramfs.c
index 18229cfe8906..2f5bfb7d7652 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -482,7 +482,7 @@ static long __init flush_buffer(void *bufv, unsigned long len)
 	return origLen;
 }
 
-static unsigned long my_inptr; /* index of next byte to be processed in inbuf */
+static unsigned long my_inptr __initdata; /* index of next byte to be processed in inbuf */
 
 #include <linux/decompress/generic.h>
 
-- 
2.20.1