linux-kernel - [PATCH] mm/interval_tree: add comments to improve code reading

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Date:   Mon, 22 Feb 2021 11:31:35 +0800
From:   Zhiyuan Dai <daizhiyuan@...tium.com.cn>
To:     akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Zhiyuan Dai <daizhiyuan@...tium.com.cn>
Subject: [PATCH] mm/interval_tree: add comments to improve code reading

Add a comment explain the value of the ISSTATIC parameter,
Inform the reader that this is not a coding style issue.

Signed-off-by: Zhiyuan Dai <daizhiyuan@...tium.com.cn>
---
 mm/interval_tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/interval_tree.c b/mm/interval_tree.c
index 11c75fb..32e390c 100644
--- a/mm/interval_tree.c
+++ b/mm/interval_tree.c
@@ -22,7 +22,7 @@ static inline unsigned long vma_last_pgoff(struct vm_area_struct *v)
 
 INTERVAL_TREE_DEFINE(struct vm_area_struct, shared.rb,
 		     unsigned long, shared.rb_subtree_last,
-		     vma_start_pgoff, vma_last_pgoff,, vma_interval_tree)
+		     vma_start_pgoff, vma_last_pgoff, /* empty */, vma_interval_tree)
 
 /* Insert node immediately after prev in the interval tree */
 void vma_interval_tree_insert_after(struct vm_area_struct *node,
-- 
1.8.3.1