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From: Petr Mladek <pmladek-IBi9RG/b67k@public.gmane.org>
Subject: Re: [PATCH v5 10/20] kthread: Better support freezable kthread
 workers
Date: Fri, 26 Feb 2016 16:43:06 +0100
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To: Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>, "Paul E. McKenney" <paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>, Josh Triplett <josh-iaAMLnmF4UmaiuxdJuQwMA@public.gmane.org>, Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>, Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, Jiri Kosina <jkosina-AlSwsSmVLrQ@public.gmane.org>, Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>, Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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On Thu 2016-02-25 14:01:15, Peter Zijlstra wrote:
> On Mon, Feb 22, 2016 at 03:57:00PM +0100, Petr Mladek wrote:
> > +enum {
> > +	KTW_FREEZABLE		= 1 << 2,	/* freeze during suspend */
> > +};
> 
> Weird value; what was wrong with 1 << 0 ?

Heh, the flag was inspired by

	WQ_FREEZABLE		= 1 << 2, /* freeze during suspend */

from include/linux/workqueue.h. But it does not really matter.
I could change it to 1 << 0 if it makes people less curious.

Thanks a lot for review,
Petr