linux-kernel - [PATCH] slab: Clean up the code comment in slab kmem

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Date:   Sun,  3 Jun 2018 11:24:02 +0800
From:   Baoquan He <bhe@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, cl@...ux.com, penberg@...nel.org,
        rientjes@...gle.com, iamjoonsoo.kim@....com,
        akpm@...ux-foundation.org, Baoquan He <bhe@...hat.com>
Subject: [PATCH] slab: Clean up the code comment in slab kmem_cache struct

In commit

  3b0efdfa1e7("mm, sl[aou]b: Extract common fields from struct kmem_cache")

The variable 'obj_size' was moved above, however the related code comment
is not updated accordingly. Do it here.

Signed-off-by: Baoquan He <bhe@...hat.com>
---
 include/linux/slab_def.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index d9228e4d0320..3485c58cfd1c 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -67,9 +67,10 @@ struct kmem_cache {
 
 	/*
 	 * If debugging is enabled, then the allocator can add additional
-	 * fields and/or padding to every object. size contains the total
-	 * object size including these internal fields, the following two
-	 * variables contain the offset to the user object and its size.
+	 * fields and/or padding to every object. 'size' contains the total
+	 * object size including these internal fields, while 'obj_offset'
+	 * and 'object_size' contain the offset to the user object and its
+	 * size.
 	 */
 	int obj_offset;
 #endif /* CONFIG_DEBUG_SLAB */
-- 
2.13.6