linux-kernel - Re: linux-next: build warning after merge of the akpm-current tree

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Date:   Wed, 31 Jul 2019 14:28:04 +0800
From:   Miles Chen <miles.chen@...iatek.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the akpm-current tree

On Wed, 2019-07-31 at 16:11 +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the akpm-current tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> mm/memcontrol.c: In function 'invalidate_reclaim_iterators':
> mm/memcontrol.c:1160:11: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
>   } while (memcg = parent_mem_cgroup(memcg));
>            ^~~~~
> 

Hi Stephen,

Thanks for the telling me this. Sorry for the build warning. 
Should I send patch v5 to the mailing list to fix this? 


Miles

> Introduced by commit
> 
>   c48a2f5ce935 ("mm/memcontrol.c: fix use after free in mem_cgroup_iter()")
>