linux-kernel - Re: [PATCH 11/30] mm/zsmalloc: Add missing annotation for migrate_read

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Message-ID: <20200227215421.GF215068@google.com>
Date:   Thu, 27 Feb 2020 13:54:21 -0800
From:   Minchan Kim <minchan@...nel.org>
To:     Jules Irenge <jbi.octave@...il.com>
Cc:     linux-kernel@...r.kernel.org, boqun.feng@...il.com,
        Nitin Gupta <ngupta@...are.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "open list:ZSMALLOC COMPRESSED SLAB MEMORY ALLOCATOR" 
        <linux-mm@...ck.org>
Subject: Re: [PATCH 11/30] mm/zsmalloc: Add missing annotation for
 migrate_read_unlock()

On Fri, Feb 14, 2020 at 08:47:22PM +0000, Jules Irenge wrote:
> Sparse reports a warning at migrate_read_unlock()()
> 
>  warning: context imbalance in migrate_read_unlock() - unexpected unlock
> 
> The root cause is the missing annotation at migrate_read_unlock()
> Add the missing __releases(&zspage->lock) annotation
> 
> Signed-off-by: Jules Irenge <jbi.octave@...il.com>
Acked-by: Minchan Kim <minchan@...nel.org>