linux-kernel - [PATCH v4 01/16] initrd: Add weakly-linked generic free_initrd

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Date:   Wed, 28 Mar 2018 16:36:44 -0400
From:   Shea Levy <shea@...alevy.com>
To:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Shea Levy <shea@...alevy.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Al Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        Stafford Horne <shorne@...il.com>
Subject: [PATCH v4 01/16] initrd: Add weakly-linked generic free_initrd_mem.

Signed-off-by: Shea Levy <shea@...alevy.com>
---
 init/initramfs.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/init/initramfs.c b/init/initramfs.c
index 7e99a0038942..c8fe150f958a 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -526,6 +526,11 @@ extern unsigned long __initramfs_size;
 #include <linux/initrd.h>
 #include <linux/kexec.h>
 
+void __init __weak free_initrd_mem(unsigned long start, unsigned long end)
+{
+       free_reserved_area((void *)start, (void *)end, -1, "initrd");
+}
+
 static void __init free_initrd(void)
 {
 #ifdef CONFIG_KEXEC_CORE
-- 
2.16.2