On Tuesday, 20 March 2007 01:31, Andrew Morton wrote:
> On Mon, 12 Mar 2007 22:19:20 +0100
> "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote:
>
> > Make swsusp use memory bitmaps instead of page flags for marking 'nosave'
> > and
> > free pages. This allows us to 'recycle' two page flags that can
Hi!
> > The patch is designed to minimize the amount of changes and there are some
> > nice
> > simplifications and optimizations possible on top of it. I am going to
> > implement them separately in the future.
>
> Blows up with ia64 allmodconfig due to CONFIG_PM=y, CONFIG_SOFTWARE_SUSPEND=n:
On Mon, 12 Mar 2007 22:19:20 +0100
"Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote:
> Make swsusp use memory bitmaps instead of page flags for marking 'nosave' and
> free pages. This allows us to 'recycle' two page flags that can be used for
> other
> purposes. Also, the memory needed to store th
On Thursday, 15 March 2007 23:23, Andrew Morton wrote:
> On Thu, 15 Mar 2007 23:19:02 +0100 (CET)
> Jiri Kosina <[EMAIL PROTECTED]> wrote:
>
> > On Thu, 15 Mar 2007, Andrew Morton wrote:
> >
> > > > > And why _does_ suspend use GFP_ATOMIC all over the place?
> > > > Generally, because it cannot s
Hi!
> > > > On Mon, 12 Mar 2007 22:19:20 +0100 "Rafael J. Wysocki" <[EMAIL
> > > > PROTECTED]> wrote:
> > > > +int create_basic_memory_bitmaps(void)
> > > > +{
> > > > + struct memory_bitmap *bm1, *bm2;
> > > > + int error = 0;
> > > > +
> > > > + BUG_ON(forbidden_pages_map || f
On Thu, 15 Mar 2007 23:19:02 +0100 (CET)
Jiri Kosina <[EMAIL PROTECTED]> wrote:
> On Thu, 15 Mar 2007, Andrew Morton wrote:
>
> > > > And why _does_ suspend use GFP_ATOMIC all over the place?
> > > Generally, because it cannot sleep.
> > Why not?
>
> I guess it's simply beucase of kswapd being a
On Thu, 15 Mar 2007, Andrew Morton wrote:
> > > And why _does_ suspend use GFP_ATOMIC all over the place?
> > Generally, because it cannot sleep.
> Why not?
I guess it's simply beucase of kswapd being already frozen, so there is no
chance that once GFP_KERNEL allocation goes to sleep, it is goin
On Thu, 15 Mar 2007 22:05:53 +0100
"Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote:
> On Thursday, 15 March 2007 20:08, Andrew Morton wrote:
> > > On Mon, 12 Mar 2007 22:19:20 +0100 "Rafael J. Wysocki" <[EMAIL
> > > PROTECTED]> wrote:
> > > +int create_basic_memory_bitmaps(void)
> > > +{
> > > + st
On Thursday, 15 March 2007 20:08, Andrew Morton wrote:
> > On Mon, 12 Mar 2007 22:19:20 +0100 "Rafael J. Wysocki" <[EMAIL PROTECTED]>
> > wrote:
> > +int create_basic_memory_bitmaps(void)
> > +{
> > + struct memory_bitmap *bm1, *bm2;
> > + int error = 0;
> > +
> > + BUG_ON(forbidden_pages_ma
> On Mon, 12 Mar 2007 22:19:20 +0100 "Rafael J. Wysocki" <[EMAIL PROTECTED]>
> wrote:
> +int create_basic_memory_bitmaps(void)
> +{
> + struct memory_bitmap *bm1, *bm2;
> + int error = 0;
> +
> + BUG_ON(forbidden_pages_map || free_pages_map);
> +
> + bm1 = kzalloc(sizeof(struct mem
From: Rafael J. Wysocki <[EMAIL PROTECTED]>
Make swsusp use memory bitmaps instead of page flags for marking 'nosave' and
free pages. This allows us to 'recycle' two page flags that can be used for
other
purposes. Also, the memory needed to store the bitmaps is allocated when
necessary (ie. bef
Hi!
> Make swsusp use memory bitmaps instead of page flags for marking 'nosave' and
> free pages. This allows us to 'recycle' two page flags that can be used for
> other
> purposes. Also, the memory needed to store the bitmaps is allocated when
> necessary (ie. before the suspend) and freed aft
From: Rafael J. Wysocki <[EMAIL PROTECTED]>
Make swsusp use memory bitmaps instead of page flags for marking 'nosave' and
free pages. This allows us to 'recycle' two page flags that can be used for
other
purposes. Also, the memory needed to store the bitmaps is allocated when
necessary (ie. bef
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