linux-kernel - Re: [PATCH v5 10/20] kthread: Better support freezable kthread workers

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Date:	Fri, 26 Feb 2016 16:43:06 +0100
From:	Petr Mladek <pmladek@...e.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>, Tejun Heo <tj@...nel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Josh Triplett <josh@...htriplett.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>, Borislav Petkov <bp@...e.de>,
	Michal Hocko <mhocko@...e.cz>, linux-mm@...ck.org,
	Vlastimil Babka <vbabka@...e.cz>, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 10/20] kthread: Better support freezable kthread
 workers

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