linux-kernel - [PATCH] mm/vmalloc: fix comments about vmap

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Message-Id: <20220305011510.33596-1-libang.linuxer@gmail.com>
Date:   Sat,  5 Mar 2022 09:15:10 +0800
From:   Bang Li <libang.linuxer@...il.com>
To:     akpm@...ux-foundation.org
Cc:     urezki@...il.com, lpf.vector@...il.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, libang.linuxer@...il.com
Subject: [PATCH] mm/vmalloc: fix comments about vmap_area struct

the vmap_area_root should be in the "busy" tree and the free_vmap_area_root
should be in the "free" tree.

Fixes: 688fcbfc06e4 ("mm/vmalloc: modify struct vmap_area to reduce its size")
Signed-off-by: Bang Li <libang.linuxer@...il.com>
---
 include/linux/vmalloc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 880227b9f044..05065915edd7 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -80,8 +80,8 @@ struct vmap_area {
 	/*
 	 * The following two variables can be packed, because
 	 * a vmap_area object can be either:
-	 *    1) in "free" tree (root is vmap_area_root)
-	 *    2) or "busy" tree (root is free_vmap_area_root)
+	 *    1) in "free" tree (root is free_vmap_area_root)
+	 *    2) or "busy" tree (root is vmap_area_root)
 	 */
 	union {
 		unsigned long subtree_max_size; /* in "free" tree */
-- 
2.25.1