linux-kernel - Re: swap_cluster

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Message-ID: <1487273646.2833.100.camel@linux.intel.com>
Date:   Thu, 16 Feb 2017 11:34:06 -0800
From:   Tim Chen <tim.c.chen@...ux.intel.com>
To:     Hugh Dickins <hughd@...gle.com>,
        "Huang, Ying" <ying.huang@...el.com>
Cc:     Minchan Kim <minchan@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: swap_cluster_info lockdep splat


> I do not understand your zest for putting wrappers around every little
> thing, making it all harder to follow than it need be.  Here's the patch
> I've been running with (but you have a leak somewhere, and I don't have
> time to search out and fix it: please try sustained swapping and swapoff).
> 

Hugh, trying to duplicate your test case.  So you were doing swapping,
then swap off, swap on the swap device and restart swapping?

Tim