linux-kernel - [PATCH] mm : Report which part of mem is being freed on initmem case

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Date:   Thu,  3 Jun 2021 16:44:34 +0900
From:   Jungseung Lee <js07.lee@...sung.com>
To:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     Jungseung Lee <js07.lee@...sung.com>
Subject: [PATCH] mm : Report which part of mem is being freed on initmem
 case

Add the details for figuring out which parts of the kernel image
is being freed on initmem case.

Before:
   Freeing unused kernel memory: 1024K

After:
   Freeing unused kernel image (initmem) memory: 1024K

Signed-off-by: Jungseung Lee <js07.lee@...sung.com>
---
 include/linux/mm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 8631ddf..62f0901 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2426,7 +2426,7 @@ static inline unsigned long free_initmem_default(int poison)
 	extern char __init_begin[], __init_end[];
 
 	return free_reserved_area(&__init_begin, &__init_end,
-				  poison, "unused kernel");
+				  poison, "unused kernel image (initmem)");
 }
 
 static inline unsigned long get_num_physpages(void)
-- 
2.7.4