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* [memcg:since-3.6 456/496] drivers/virtio/virtio_balloon.c:145:10: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'unsigned int'
@ 2012-11-21 15:37 kbuild test robot
  2012-11-21 15:47 ` Michal Hocko
  0 siblings, 1 reply; 4+ messages in thread
From: kbuild test robot @ 2012-11-21 15:37 UTC (permalink / raw)
  To: Rafael Aquini; +Cc: linux-mm, Andrew Morton, Michal Hocko

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-3.6
head:   223cdc1faeea55aa70fef23d54720ad3fdaf4c93
commit: 12cf48af8968fa1d0cc4c06065d7c37c3560c171 [456/496] virtio_balloon: introduce migration primitives to balloon pages
config: make ARCH=x86_64 allmodconfig

All warnings:

drivers/virtio/virtio_balloon.c: In function 'fill_balloon':
drivers/virtio/virtio_balloon.c:145:10: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'unsigned int' [-Wformat]

vim +145 drivers/virtio/virtio_balloon.c

6b35e407 Rusty Russell      2008-02-04  129  static void fill_balloon(struct virtio_balloon *vb, size_t num)
6b35e407 Rusty Russell      2008-02-04  130  {
12cf48af Rafael Aquini      2012-11-21  131  	struct balloon_dev_info *vb_dev_info = vb->vb_dev_info;
12cf48af Rafael Aquini      2012-11-21  132  
6b35e407 Rusty Russell      2008-02-04  133  	/* We can only do one array worth at a time. */
6b35e407 Rusty Russell      2008-02-04  134  	num = min(num, ARRAY_SIZE(vb->pfns));
6b35e407 Rusty Russell      2008-02-04  135  
12cf48af Rafael Aquini      2012-11-21  136  	mutex_lock(&vb->balloon_lock);
3ccc9372 Michael S. Tsirkin 2012-04-12  137  	for (vb->num_pfns = 0; vb->num_pfns < num;
3ccc9372 Michael S. Tsirkin 2012-04-12  138  	     vb->num_pfns += VIRTIO_BALLOON_PAGES_PER_PAGE) {
12cf48af Rafael Aquini      2012-11-21  139  		struct page *page = balloon_page_enqueue(vb_dev_info);
12cf48af Rafael Aquini      2012-11-21  140  
6b35e407 Rusty Russell      2008-02-04  141  		if (!page) {
6b35e407 Rusty Russell      2008-02-04  142  			if (printk_ratelimit())
6b35e407 Rusty Russell      2008-02-04  143  				dev_printk(KERN_INFO, &vb->vdev->dev,
4f2ac849 Michal Hocko       2012-11-21  144  					   "Out of puff! Can't get %zu pages\n",
12cf48af Rafael Aquini      2012-11-21 @145  					    VIRTIO_BALLOON_PAGES_PER_PAGE);
6b35e407 Rusty Russell      2008-02-04  146  			/* Sleep for at least 1/5 of a second before retry. */
6b35e407 Rusty Russell      2008-02-04  147  			msleep(200);
6b35e407 Rusty Russell      2008-02-04  148  			break;
6b35e407 Rusty Russell      2008-02-04  149  		}
3ccc9372 Michael S. Tsirkin 2012-04-12  150  		set_page_pfns(vb->pfns + vb->num_pfns, page);
3ccc9372 Michael S. Tsirkin 2012-04-12  151  		vb->num_pages += VIRTIO_BALLOON_PAGES_PER_PAGE;
6b35e407 Rusty Russell      2008-02-04  152  		totalram_pages--;
6b35e407 Rusty Russell      2008-02-04  153  	}

---
0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation

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^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [memcg:since-3.6 456/496] drivers/virtio/virtio_balloon.c:145:10: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'unsigned int'
  2012-11-21 15:37 [memcg:since-3.6 456/496] drivers/virtio/virtio_balloon.c:145:10: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'unsigned int' kbuild test robot
@ 2012-11-21 15:47 ` Michal Hocko
  2012-11-21 19:55   ` Andrew Morton
  0 siblings, 1 reply; 4+ messages in thread
From: Michal Hocko @ 2012-11-21 15:47 UTC (permalink / raw)
  To: kbuild test robot; +Cc: Rafael Aquini, linux-mm, Andrew Morton

Bahh, my fault.
I screwed while reverting previous version of the virtio patchset.
Pushed to my tree. Thanks for reporting...

On Wed 21-11-12 23:37:21, Wu Fengguang wrote:
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-3.6
> head:   223cdc1faeea55aa70fef23d54720ad3fdaf4c93
> commit: 12cf48af8968fa1d0cc4c06065d7c37c3560c171 [456/496] virtio_balloon: introduce migration primitives to balloon pages
> config: make ARCH=x86_64 allmodconfig
---

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [memcg:since-3.6 456/496] drivers/virtio/virtio_balloon.c:145:10: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'unsigned int'
  2012-11-21 15:47 ` Michal Hocko
@ 2012-11-21 19:55   ` Andrew Morton
  2012-11-22  9:08     ` Michal Hocko
  0 siblings, 1 reply; 4+ messages in thread
From: Andrew Morton @ 2012-11-21 19:55 UTC (permalink / raw)
  To: Michal Hocko; +Cc: kbuild test robot, Rafael Aquini, linux-mm

On Wed, 21 Nov 2012 16:47:34 +0100
Michal Hocko <mhocko@suse.cz> wrote:

> Bahh, my fault.
> I screwed while reverting previous version of the virtio patchset.
> Pushed to my tree. Thanks for reporting...
> 
> On Wed 21-11-12 23:37:21, Wu Fengguang wrote:
> > tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-3.6
> > head:   223cdc1faeea55aa70fef23d54720ad3fdaf4c93
> > commit: 12cf48af8968fa1d0cc4c06065d7c37c3560c171 [456/496] virtio_balloon: introduce migration primitives to balloon pages
> > config: make ARCH=x86_64 allmodconfig
> ---
> >From 35f423ffe01b62cbe5bf88b0acbff5b3b4a09777 Mon Sep 17 00:00:00 2001
> From: Michal Hocko <mhocko@suse.cz>
> Date: Wed, 21 Nov 2012 16:42:02 +0100
> Subject: [PATCH] virtio_balloon-introduce-migration-primitives-to-balloon-pages-fix-fix-fix
>  mismerge fix
> 
> %u got back to %zu while while reverting
> %(4f2ac8495ba0477d8c3208de96dae7d1db6c2d49) obsolete version of
> virtio_balloon: introduce migration primitives to balloon pages
> 
> Signed-off-by: Michal Hocko <mhocko@suse.cz>
> ---
>  drivers/virtio/virtio_balloon.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
> index d0cfb7e..8cde4c9 100644
> --- a/drivers/virtio/virtio_balloon.c
> +++ b/drivers/virtio/virtio_balloon.c
> @@ -141,7 +141,7 @@ static void fill_balloon(struct virtio_balloon *vb, size_t num)
>  		if (!page) {
>  			if (printk_ratelimit())
>  				dev_printk(KERN_INFO, &vb->vdev->dev,
> -					   "Out of puff! Can't get %zu pages\n",
> +					   "Out of puff! Can't get %u pages\n",
>  					    VIRTIO_BALLOON_PAGES_PER_PAGE);
>  			/* Sleep for at least 1/5 of a second before retry. */
>  			msleep(200);

Yeah, that's quite old code - printk_ratelimit is naughty and has been
replaced by dev_info_ratelimited().

Are you using mmotm or http://ozlabs.org/~akpm/mmots/?  It might be
better to grab mmots at least while linux-next is on pause.

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^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [memcg:since-3.6 456/496] drivers/virtio/virtio_balloon.c:145:10: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'unsigned int'
  2012-11-21 19:55   ` Andrew Morton
@ 2012-11-22  9:08     ` Michal Hocko
  0 siblings, 0 replies; 4+ messages in thread
From: Michal Hocko @ 2012-11-22  9:08 UTC (permalink / raw)
  To: Andrew Morton; +Cc: kbuild test robot, Rafael Aquini, linux-mm

On Wed 21-11-12 11:55:16, Andrew Morton wrote:
> On Wed, 21 Nov 2012 16:47:34 +0100
> Michal Hocko <mhocko@suse.cz> wrote:
> 
> > Bahh, my fault.
> > I screwed while reverting previous version of the virtio patchset.
> > Pushed to my tree. Thanks for reporting...
> > 
> > On Wed 21-11-12 23:37:21, Wu Fengguang wrote:
> > > tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-3.6
> > > head:   223cdc1faeea55aa70fef23d54720ad3fdaf4c93
> > > commit: 12cf48af8968fa1d0cc4c06065d7c37c3560c171 [456/496] virtio_balloon: introduce migration primitives to balloon pages
> > > config: make ARCH=x86_64 allmodconfig
> > ---
> > >From 35f423ffe01b62cbe5bf88b0acbff5b3b4a09777 Mon Sep 17 00:00:00 2001
> > From: Michal Hocko <mhocko@suse.cz>
> > Date: Wed, 21 Nov 2012 16:42:02 +0100
> > Subject: [PATCH] virtio_balloon-introduce-migration-primitives-to-balloon-pages-fix-fix-fix
> >  mismerge fix
> > 
> > %u got back to %zu while while reverting
> > %(4f2ac8495ba0477d8c3208de96dae7d1db6c2d49) obsolete version of
> > virtio_balloon: introduce migration primitives to balloon pages
> > 
> > Signed-off-by: Michal Hocko <mhocko@suse.cz>
> > ---
> >  drivers/virtio/virtio_balloon.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
> > index d0cfb7e..8cde4c9 100644
> > --- a/drivers/virtio/virtio_balloon.c
> > +++ b/drivers/virtio/virtio_balloon.c
> > @@ -141,7 +141,7 @@ static void fill_balloon(struct virtio_balloon *vb, size_t num)
> >  		if (!page) {
> >  			if (printk_ratelimit())
> >  				dev_printk(KERN_INFO, &vb->vdev->dev,
> > -					   "Out of puff! Can't get %zu pages\n",
> > +					   "Out of puff! Can't get %u pages\n",
> >  					    VIRTIO_BALLOON_PAGES_PER_PAGE);
> >  			/* Sleep for at least 1/5 of a second before retry. */
> >  			msleep(200);
> 
> Yeah, that's quite old code - printk_ratelimit is naughty and has been
> replaced by dev_info_ratelimited().

Hmm, that one came in from linux-next (looks like Rusty's tree) and
not your tree so I haven't applied it. I can cherry pick (the last
linux-next knows it as 41395dfb: virtio: Convert dev_printk(KERN_<LEVEL>
to dev_<level>) of course.
> 
> Are you using mmotm or http://ozlabs.org/~akpm/mmots/?

both. mmots every day (if there is a new one) and mmotm when it is
announced.

-- 
Michal Hocko
SUSE Labs

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^ permalink raw reply	[flat|nested] 4+ messages in thread

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2012-11-21 15:37 [memcg:since-3.6 456/496] drivers/virtio/virtio_balloon.c:145:10: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'unsigned int' kbuild test robot
2012-11-21 15:47 ` Michal Hocko
2012-11-21 19:55   ` Andrew Morton
2012-11-22  9:08     ` Michal Hocko

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