On Tue, 5 Feb 2013, Mel Gorman wrote:
> On Fri, Jan 25, 2013 at 05:54:53PM -0800, Hugh Dickins wrote:
> > From: Petr Holasek
> >
> > Introduces new sysfs boolean knob /sys/kernel/mm/ksm/merge_across_nodes
> > which control merging pages across different numa nodes.
> > When it is set to zero only
On Fri, Jan 25, 2013 at 05:54:53PM -0800, Hugh Dickins wrote:
> From: Petr Holasek
>
> Introduces new sysfs boolean knob /sys/kernel/mm/ksm/merge_across_nodes
> which control merging pages across different numa nodes.
> When it is set to zero only pages from the same node are merged,
> otherwise
On Mon, 28 Jan 2013, Andrew Morton wrote:
> On Fri, 25 Jan 2013 17:54:53 -0800 (PST)
> Hugh Dickins wrote:
>
> > +/* Zeroed when merging across nodes is not allowed */
> > +static unsigned int ksm_merge_across_nodes = 1;
>
> I spose this should be __read_mostly. If __read_mostly is not really a
On Mon, 28 Jan 2013, Andrew Morton wrote:
> On Fri, 25 Jan 2013 17:54:53 -0800 (PST)
> Hugh Dickins wrote:
>
> > --- mmotm.orig/Documentation/vm/ksm.txt 2013-01-25 14:36:31.724205455
> > -0800
> > +++ mmotm/Documentation/vm/ksm.txt 2013-01-25 14:36:38.608205618 -0800
> > @@ -58,6 +58,13 @@
On Fri, 25 Jan 2013 17:54:53 -0800 (PST)
Hugh Dickins wrote:
> +/* Zeroed when merging across nodes is not allowed */
> +static unsigned int ksm_merge_across_nodes = 1;
I spose this should be __read_mostly. If __read_mostly is not really a
synonym for __make_write_often_storage_slower. I conti
On Fri, 25 Jan 2013 17:54:53 -0800 (PST)
Hugh Dickins wrote:
> --- mmotm.orig/Documentation/vm/ksm.txt 2013-01-25 14:36:31.724205455
> -0800
> +++ mmotm/Documentation/vm/ksm.txt2013-01-25 14:36:38.608205618 -0800
> @@ -58,6 +58,13 @@ sleep_millisecs - how many milliseconds
>
On Sat, 26 Jan 2013, Simon Jeons wrote:
> On Sat, 2013-01-26 at 18:54 -0800, Hugh Dickins wrote:
> >
> > So you'd like us to add code for moving a node from one tree to another
> > in ksm_migrate_page() (and what would it do when it collides with an
>
> Without numa awareness, I still can't under
On Sat, 2013-01-26 at 18:54 -0800, Hugh Dickins wrote:
> On Sat, 26 Jan 2013, Simon Jeons wrote:
> > On Fri, 2013-01-25 at 17:54 -0800, Hugh Dickins wrote:
> > > From: Petr Holasek
> > > @@ -1122,6 +1166,18 @@ struct rmap_item *unstable_tree_search_i
> > > return NULL;
> > >
On Sat, 26 Jan 2013, Simon Jeons wrote:
> On Fri, 2013-01-25 at 17:54 -0800, Hugh Dickins wrote:
> > From: Petr Holasek
> > @@ -1122,6 +1166,18 @@ struct rmap_item *unstable_tree_search_i
> > return NULL;
> > }
> >
> > + /*
> > +* If tree_pag
Hi Hugh,
On Fri, 2013-01-25 at 17:54 -0800, Hugh Dickins wrote:
> From: Petr Holasek
>
> Introduces new sysfs boolean knob /sys/kernel/mm/ksm/merge_across_nodes
> which control merging pages across different numa nodes.
> When it is set to zero only pages from the same node are merged,
> otherwis
From: Petr Holasek
Introduces new sysfs boolean knob /sys/kernel/mm/ksm/merge_across_nodes
which control merging pages across different numa nodes.
When it is set to zero only pages from the same node are merged,
otherwise pages from all nodes can be merged together (default behavior).
Typical u
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