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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 20/30] mm/zsmalloc: Add missing annotation for migrate_write_unlock()
Date: Sun, 23 Feb 2020 23:17:01 +0000	[thread overview]
Message-ID: <20200223231711.157699-21-jbi.octave@gmail.com> (raw)
In-Reply-To: <20200223231711.157699-1-jbi.octave@gmail.com>

Sparse reports a warning at migrate_write_unlock()
warning: context imbalance in migrate_write_unlock() - unexpected unlock
The root cause is the missing annotation at migrate_write_unlock()
Add the missing __releases(&zspage->lock)

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 7ec69a1140cf..cb5541d06823 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1852,6 +1852,7 @@ static void migrate_write_lock(struct zspage *zspage)
 }
 
 static void migrate_write_unlock(struct zspage *zspage)
+	__releases(&zspage->lock)
 {
 	write_unlock(&zspage->lock);
 }
-- 
2.24.1



      parent reply	other threads:[~2020-02-23 23:18 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <0/30>
     [not found] ` <20200214204741.94112-1-jbi.octave@gmail.com>
2020-02-14 20:47   ` [PATCH 03/30] mm/memcontrol: Add missing annotation for unlock_page_lru() Jules Irenge
2020-02-14 20:47   ` [PATCH 04/30] mm/memcontrol: Add missing annotation for lock_page_lru() Jules Irenge
2020-02-14 20:47   ` [PATCH 05/30] mm/compaction: Add missing annotation for compact_lock_irqsave Jules Irenge
2020-02-14 20:47   ` [PATCH 06/30] mm/hugetlb: Add missing annotation for gather_surplus_pages() Jules Irenge
2020-02-14 23:40     ` Mike Kravetz
2020-02-14 20:47   ` [PATCH 07/30] mm/mempolicy: Add missing annotation for queue_pages_pmd() Jules Irenge
2020-02-14 20:47   ` [PATCH 08/30] mm/slub: Add missing annotation for get_map() Jules Irenge
2020-02-14 20:47   ` [PATCH 09/30] mm/slub: Add missing annotation for put_map() Jules Irenge
2020-02-14 20:47   ` [PATCH 10/30] mm/zsmalloc: Add missing annotation for migrate_read_lock() Jules Irenge
2020-02-27 21:52     ` Minchan Kim
2020-02-27 21:52     ` Minchan Kim
2020-02-14 20:47   ` [PATCH 11/30] mm/zsmalloc: Add missing annotation for migrate_read_unlock() Jules Irenge
2020-02-27 21:54     ` Minchan Kim
2020-02-14 20:47   ` [PATCH 12/30] mm/zsmalloc: Add missing annotation for pin_tag() Jules Irenge
2020-02-27 21:53     ` Minchan Kim
2020-02-14 20:47   ` [PATCH 13/30] mm/zsmalloc: Add missing annotation for unpin_tag() Jules Irenge
2020-02-27 21:53     ` Minchan Kim
     [not found] ` <20200223231711.157699-1-jbi.octave@gmail.com>
2020-02-23 23:16   ` [PATCH 17/30] mm/zsmalloc: Add missing annotation for zs_map_object() Jules Irenge
2020-02-23 23:16   ` [PATCH 18/30] mm/zsmalloc: Add missing annotation for zs_unmap_object() Jules Irenge
2020-02-23 23:17   ` [PATCH 19/30] mm/zsmalloc: Add missing annotation for migrate_write_lock() Jules Irenge
2020-02-23 23:17   ` Jules Irenge [this message]

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