Re: [RFC v4 0/3] Support volatile for anonymous range

2013-01-03 Thread Minchan Kim
On Fri, Dec 28, 2012 at 09:24:53AM +0900, Kamezawa Hiroyuki wrote: > (2012/12/26 12:46), Minchan Kim wrote: > >Hi Kame, > > > >What are you doing these holiday season? :) > >I can't believe you sit down in front of computer. > > > Honestly, my holiday starts tomorrow ;) (but until 1/5 in the next y

Re: [RFC v4 0/3] Support volatile for anonymous range

2012-12-27 Thread Kamezawa Hiroyuki
(2012/12/26 12:46), Minchan Kim wrote: Hi Kame, What are you doing these holiday season? :) I can't believe you sit down in front of computer. Honestly, my holiday starts tomorrow ;) (but until 1/5 in the next year.) Hm, by the way, the user need to attach pages to the process by causing p

Re: [RFC v4 0/3] Support volatile for anonymous range

2012-12-25 Thread Minchan Kim
Hi Kame, What are you doing these holiday season? :) I can't believe you sit down in front of computer. On Wed, Dec 26, 2012 at 11:37:02AM +0900, Kamezawa Hiroyuki wrote: > (2012/12/18 15:47), Minchan Kim wrote: > > This is still RFC because we need more input from user-space > > people and discu

Re: [RFC v4 0/3] Support volatile for anonymous range

2012-12-25 Thread Kamezawa Hiroyuki
(2012/12/18 15:47), Minchan Kim wrote: > This is still RFC because we need more input from user-space > people and discussion about interface/reclaim policy of volatile > pages and I want to expand this concept to tmpfs volatile range > if it is possbile without big performance drop of anonymous vo

Re: [RFC v4 0/3] Support volatile for anonymous range

2012-12-19 Thread Minchan Kim
On Tue, Dec 18, 2012 at 10:27:46AM -0800, Arun Sharma wrote: > On 12/17/12 10:47 PM, Minchan Kim wrote: > > >I hope more inputs from user-space allocator people and test patch > >with their allocator because it might need design change of arena > >management for getting real vaule. > > jemalloc k

Re: [RFC v4 0/3] Support volatile for anonymous range

2012-12-18 Thread Arun Sharma
On 12/17/12 10:47 PM, Minchan Kim wrote: I hope more inputs from user-space allocator people and test patch with their allocator because it might need design change of arena management for getting real vaule. jemalloc knows how to handle MADV_FREE on platforms that support it. This looks simi

[RFC v4 0/3] Support volatile for anonymous range

2012-12-17 Thread Minchan Kim
This is still RFC because we need more input from user-space people and discussion about interface/reclaim policy of volatile pages and I want to expand this concept to tmpfs volatile range if it is possbile without big performance drop of anonymous volatile rnage (Let's define our term. anon volat