linux-kernel - Re: [PATCH 7/7] mm/balloon_compaction: general cleanup

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Message-ID: <20140829212604.GA20984@t510.redhat.com>
Date:	Fri, 29 Aug 2014 17:26:04 -0400
From:	Rafael Aquini <aquini@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Konstantin Khlebnikov <k.khlebnikov@...sung.com>,
	linux-mm@...ck.org, Sasha Levin <sasha.levin@...cle.com>,
	Andrey Ryabinin <ryabinin.a.a@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] mm/balloon_compaction: general cleanup

On Fri, Aug 29, 2014 at 05:09:55PM -0400, Rafael Aquini wrote:
> On Fri, Aug 29, 2014 at 02:05:21PM -0700, Andrew Morton wrote:
> > On Wed, 20 Aug 2014 19:05:09 +0400 Konstantin Khlebnikov <k.khlebnikov@...sung.com> wrote:
> > 
> > > * move special branch for balloon migraion into migrate_pages
> > > * remove special mapping for balloon and its flag AS_BALLOON_MAP
> > > * embed struct balloon_dev_info into struct virtio_balloon
> > > * cleanup balloon_page_dequeue, kill balloon_page_free
> > > 
> > 
> > grump.
> > 
> > diff -puN include/linux/balloon_compaction.h~mm-balloon_compaction-general-cleanup-fix include/linux/balloon_compaction.h
> > --- a/include/linux/balloon_compaction.h~mm-balloon_compaction-general-cleanup-fix
> > +++ a/include/linux/balloon_compaction.h
> > @@ -145,7 +145,7 @@ static inline void
> >  balloon_page_insert(struct balloon_dev_info *balloon, struct page *page)
> >  {
> >  	__SetPageBalloon(page);
> > -	list_add(&page->lru, head);
> > +	list_add(&page->lru, &balloon->pages);
> >  }
> >  
> >  static inline void balloon_page_delete(struct page *page, bool isolated)
> > 
> > 
> > This obviously wasn't tested with CONFIG_BALLOON_COMPACTION=n.  Please
> > complete the testing of this patchset and let us know the result?
> >
>

Btw, I'll do a mea culpa here. Although this build failure was addressed
by my extra-cleanup suggestion, I never made that statement clear at my
original message.

http://permalink.gmane.org/gmane.linux.kernel.mm/121788

Sorry,
-- Rafael
 
> That also reminds me why I suggested moving those as static inlines into mm.h, 
> instead of getting them hidden in mm/balloon_compaction.c
> 
> Cheers,
> -- Rafael
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