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initrd: Add the preprocessor guard in initrd.h

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Add the preprocessor guard in initrd.h to prevent possible
build error from the multiple inclusion of same header file
multiple time.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Kefeng Wang 2021-01-15 13:46:03 +08:00 committed by Palmer Dabbelt
parent f105aa940e
commit fade5cad93
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GPG Key ID: 2E1319F35FBB1889
1 changed files with 5 additions and 0 deletions
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5
include/linux/initrd.h
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@ -1,5 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_INITRD_H
#define __LINUX_INITRD_H
#define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */
/* starting block # of image */
@ -24,3 +27,5 @@ extern char __initramfs_start[];
extern unsigned long __initramfs_size;
void console_on_rootfs(void);
#endif /* __LINUX_INITRD_H */