Re: [patch 1/4 v2] mm: exclude reserved pages from dirtyable memory

2011-09-28 Thread Johannes Weiner
On Wed, Sep 28, 2011 at 01:55:51PM +0900, Minchan Kim wrote: Hi Hannes, On Fri, Sep 23, 2011 at 04:38:17PM +0200, Johannes Weiner wrote: The amount of dirtyable pages should not include the full number of free pages: there is a number of reserved pages that the page allocator and kswapd

Re: [patch 1/4 v2] mm: exclude reserved pages from dirtyable memory

2011-09-28 Thread Minchan Kim
On Wed, Sep 28, 2011 at 09:50:54AM +0200, Johannes Weiner wrote: On Wed, Sep 28, 2011 at 01:55:51PM +0900, Minchan Kim wrote: Hi Hannes, On Fri, Sep 23, 2011 at 04:38:17PM +0200, Johannes Weiner wrote: The amount of dirtyable pages should not include the full number of free pages:

Re: [patch 1/4 v2] mm: exclude reserved pages from dirtyable memory

2011-09-27 Thread Minchan Kim
Hi Hannes, On Fri, Sep 23, 2011 at 04:38:17PM +0200, Johannes Weiner wrote: The amount of dirtyable pages should not include the full number of free pages: there is a number of reserved pages that the page allocator and kswapd always try to keep free. The closer (reclaimable pages - dirty