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From: Andrew Morton <akpm@linux-foundation.org>
To: howaboutsynergy@pm.me
Cc: bugzilla-daemon@bugzilla.kernel.org, linux-mm@kvack.org,
	Mel Gorman <mgorman@techsingularity.net>
Subject: Re: [Bug 204165] New: 100% CPU usage in compact_zone_order
Date: Mon, 15 Jul 2019 14:25:24 -0700	[thread overview]
Message-ID: <20190715142524.e0df173a9d7f81a384abf28f@linux-foundation.org> (raw)
In-Reply-To: <bug-204165-27@https.bugzilla.kernel.org/>

(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Sat, 13 Jul 2019 19:20:21 +0000 bugzilla-daemon@bugzilla.kernel.org wrote:

> https://bugzilla.kernel.org/show_bug.cgi?id=204165
> 
>             Bug ID: 204165
>            Summary: 100% CPU usage in compact_zone_order

Looks like we have a lockup in compact_zone()

>            Product: Memory Management
>            Version: 2.5
>     Kernel Version: 5.2.0-g0ecfebd2b524
>           Hardware: x86-64
>                 OS: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: Page Allocator
>           Assignee: akpm@linux-foundation.org
>           Reporter: howaboutsynergy@pm.me
>         Regression: No

I assume this should be "yes".  Did previous kernels exhibit this
behavior or is it new in 5.2?


       reply	other threads:[~2019-07-15 21:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-204165-27@https.bugzilla.kernel.org/>
2019-07-15 21:25 ` Andrew Morton [this message]
2019-07-15 23:28   ` howaboutsynergy
2019-07-16  1:52     ` howaboutsynergy
2019-07-16  3:25       ` howaboutsynergy
2019-07-16  3:57         ` howaboutsynergy
2019-07-16  7:11           ` Mel Gorman
2019-07-16 19:15             ` howaboutsynergy
2019-07-17 17:53               ` Mel Gorman
2019-07-17 22:00                 ` howaboutsynergy
2019-07-18  8:37                   ` Mel Gorman
2019-07-16 10:03           ` Mel Gorman
2019-07-16  1:08   ` howaboutsynergy

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