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From:   Jules Irenge <jbi.octave@gmail.com>
To:     boqun.feng@gmail.com
Cc:     jbi.octave@gmail.com, linux-kernel@vger.kernel.org,
        Minchan Kim <minchan@kernel.org>,
        Nitin Gupta <ngupta@vflare.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-mm@kvack.org (open list:ZSMALLOC COMPRESSED SLAB MEMORY ALLOCATOR)
Subject: [PATCH 17/30] mm/zsmalloc: Add missing annotation for zs_map_object()
Date:   Sun, 23 Feb 2020 23:16:58 +0000
Message-Id: <20200223231711.157699-18-jbi.octave@gmail.com>
In-Reply-To: <20200223231711.157699-1-jbi.octave@gmail.com>
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 <20200223231711.157699-1-jbi.octave@gmail.com>
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Sparse reports a warning at zs_map_object()
context imbalance in zs_map_object() - wrong count at exit
The root cause is the missing annotation at zs_map_object()
Add the missing __acquires(zspage)

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 mm/zsmalloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 2aa2d524a343..9d3f9b3d22aa 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1290,6 +1290,7 @@ EXPORT_SYMBOL_GPL(zs_get_total_pages);
  */
 void *zs_map_object(struct zs_pool *pool, unsigned long handle,
 			enum zs_mapmode mm)
+	__acquires(zspage)
 {
 	struct zspage *zspage;
 	struct page *page;
-- 
2.24.1