Re: What can we do to get ready for memory controller merge in 2.6.25

2007-12-05 Thread KAMEZAWA Hiroyuki
On Fri, 30 Nov 2007 19:11:14 +0900 KAMEZAWA Hiroyuki <[EMAIL PROTECTED]> wrote: > I'd like to post some patches below in the next week. > - throttling the number of callers of try_to_free_mem_cgroup_pages() > - background reclaim and high/low watermark. > - some cleanups. > I'd like to hold

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-12-01 Thread Rik van Riel
On Sat, 1 Dec 2007 11:02:32 -0800 "Paul Menage" <[EMAIL PROTECTED]> wrote: > On Dec 1, 2007 10:36 AM, Rik van Riel <[EMAIL PROTECTED]> wrote: > > > > With the /proc/refaults info, we can measure how much extra > > memory each process group needs, if any. > > What's the status of that? It looks as

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-12-01 Thread Paul Menage
On Dec 1, 2007 10:36 AM, Rik van Riel <[EMAIL PROTECTED]> wrote: > > With the /proc/refaults info, we can measure how much extra > memory each process group needs, if any. What's the status of that? It looks as though it would be better than the "accessed in the last N seconds" metric that we've b

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-12-01 Thread Rik van Riel
On Sat, 01 Dec 2007 15:20:29 +0530 Balbir Singh <[EMAIL PROTECTED]> wrote: > > In our experience, users are not good at figuring out how much memory > > they really need. In general they tend to massively over-estimate > > their requirements. So we want some way to determine how much of its > > al

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-12-01 Thread Balbir Singh
Paul Menage wrote: > On Nov 29, 2007 6:11 PM, Nick Piggin <[EMAIL PROTECTED]> wrote: >> And also some >> results or even anecdotes of where this is going to be used would be >> interesting... > > We want to be able to run multiple isolated jobs on the same machine. > So being able to limit how muc

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-11-30 Thread Paul Menage
On Nov 29, 2007 6:11 PM, Nick Piggin <[EMAIL PROTECTED]> wrote: > And also some > results or even anecdotes of where this is going to be used would be > interesting... We want to be able to run multiple isolated jobs on the same machine. So being able to limit how much memory each job can consume,

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-11-30 Thread KAMEZAWA Hiroyuki
On Fri, 30 Nov 2007 08:43:35 +0530 Balbir Singh <[EMAIL PROTECTED]> wrote: > KAMEZAWA-San posted some test results on background reclaim and per zone > reclaim > I'd like to post some patches below in the next week. - throttling the number of callers of try_to_free_mem_cgroup_pages() - backgr

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-11-29 Thread Balbir Singh
Nick Piggin wrote: > On Friday 30 November 2007 01:43, Balbir Singh wrote: >> They say better strike when the iron is hot. >> >> Since we have so many people discussing the memory controller, I would >> like to access the readiness of the memory controller for mainline >> merge. Given that we have

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-11-29 Thread Nick Piggin
On Friday 30 November 2007 01:43, Balbir Singh wrote: > They say better strike when the iron is hot. > > Since we have so many people discussing the memory controller, I would > like to access the readiness of the memory controller for mainline > merge. Given that we have some time until the merge

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-11-29 Thread Balbir Singh
Rik van Riel wrote: > On Thu, 29 Nov 2007 20:13:17 +0530 > Balbir Singh <[EMAIL PROTECTED]> wrote: > >> They say better strike when the iron is hot. >> >> Since we have so many people discussing the memory controller, I would >> like to access the readiness of the memory controller for mainline >>

Re: What can we do to get ready for memory controller merge in 2.6.25

2007-11-29 Thread Rik van Riel
On Thu, 29 Nov 2007 20:13:17 +0530 Balbir Singh <[EMAIL PROTECTED]> wrote: > They say better strike when the iron is hot. > > Since we have so many people discussing the memory controller, I would > like to access the readiness of the memory controller for mainline > merge. > At the VM-Summit we