linux-kernel - [PATCH] csky: use generic free_initrd

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Date:   Wed, 28 Aug 2019 16:35:19 +0300
From:   Mike Rapoport <rppt@...ux.ibm.com>
To:     Guo Ren <guoren@...nel.org>
Cc:     linux-csky@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mike Rapoport <rppt@...ux.ibm.com>
Subject: [PATCH] csky: use generic free_initrd_mem()

The csky implementation of free_initrd_mem() is an open-coded version of
free_reserved_area() without poisoning.

Remove it and make csky use the generic version of free_initrd_mem().

Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>
---
 arch/csky/mm/init.c | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
index eb0dc9e..d4c2292 100644
--- a/arch/csky/mm/init.c
+++ b/arch/csky/mm/init.c
@@ -60,22 +60,6 @@ void __init mem_init(void)
 	mem_init_print_info(NULL);
 }
 
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-	if (start < end)
-		pr_info("Freeing initrd memory: %ldk freed\n",
-			(end - start) >> 10);
-
-	for (; start < end; start += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(start));
-		init_page_count(virt_to_page(start));
-		free_page(start);
-		totalram_pages_inc();
-	}
-}
-#endif
-
 extern char __init_begin[], __init_end[];
 
 void free_initmem(void)
-- 
2.7.4