linux-kernel - Re: [PATCH v3 5/5] writeback, memcg: Implement foreign dirty flushing

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Message-ID: <20190826155834.GP2263813@devbig004.ftw2.facebook.com>
Date:   Mon, 26 Aug 2019 08:58:34 -0700
From:   Tejun Heo <tj@...nel.org>
To:     Jan Kara <jack@...e.cz>
Cc:     axboe@...nel.dk, hannes@...xchg.org, mhocko@...nel.org,
        vdavydov.dev@...il.com, cgroups@...r.kernel.org,
        linux-mm@...ck.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...com, guro@...com,
        akpm@...ux-foundation.org
Subject: Re: [PATCH v3 5/5] writeback, memcg: Implement foreign dirty flushing

Hello, Jan.

On Mon, Aug 26, 2019 at 03:54:52PM +0200, Jan Kara wrote:
> As I've checked, you should be using get_jiffies_64() to get value of
> jiffies_64. Also for comparisons of jiffie values, I think you should be
> using time_after64() and similar functions instead of direct comparisons...

Yeah, good point.  I always forget that with jiffies_64.  Will post an
updated series soon.

Thanks.

-- 
tejun