linux-kernel - Re: crisv32 runtime failure in -next due to 'page-flags: define behavior SL*B-related flags on compound pages'

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Message-Id: <201509221616.t8MGGIrW017239@ignucius.se.axis.com>
Date:	Tue, 22 Sep 2015 18:16:18 +0200
From:	Hans-Peter Nilsson <hans-peter.nilsson@...s.com>
To:	kirill@...temov.name
CC:	paulmck@...ux.vnet.ibm.com, starvik@...s.com, linux@...ck-us.net,
	jespern@...s.com, hughd@...gle.com,
	kirill.shutemov@...ux.intel.com, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	minchan@...nel.org, linux-cris-kernel@...s.com
Subject: Re: crisv32 runtime failure in -next due to 'page-flags: define
 behavior SL*B-related flags on compound pages'

> From: "Kirill A. Shutemov" <kirill@...temov.name>
> Date: Tue, 22 Sep 2015 17:31:04 +0200

> On Tue, Sep 22, 2015 at 08:18:35AM -0700, Paul E. McKenney wrote:
> > On Tue, Sep 22, 2015 at 03:57:06PM +0200, Hans-Peter Nilsson wrote:
> > > I guess you hit the right spot, but I'd think people would be
> > > more comfortable with aligning to sizeof (void *).
> > 
> > I would indeed prefer sizeof(void *).
> 
> Do you prefer to have the attribute set for whole structure or for ->next?
> I think attribute on ->next is more appropriate from documentation POV.

Speaking of the documentation POV, I'd recommend adding an
explanatory comment.  Here's hoping this was obvious! ;)

brgds, H-P
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