Re: [RFC 0/6] zsmalloc support compaction

2014-12-22 Thread Minchan Kim
On Fri, Dec 19, 2014 at 09:46:48AM +0900, Minchan Kim wrote: > Hey Seth, > > On Wed, Dec 17, 2014 at 05:19:30PM -0600, Seth Jennings wrote: > > On Tue, Dec 02, 2014 at 11:49:41AM +0900, Minchan Kim wrote: > > > Recently, there was issue about zsmalloc fragmentation and > > > I got a report from Ju

Re: [RFC 0/6] zsmalloc support compaction

2014-12-18 Thread Minchan Kim
Hey Seth, On Wed, Dec 17, 2014 at 05:19:30PM -0600, Seth Jennings wrote: > On Tue, Dec 02, 2014 at 11:49:41AM +0900, Minchan Kim wrote: > > Recently, there was issue about zsmalloc fragmentation and > > I got a report from Juno that new fork failed although there > > are plenty of free pages in th

Re: [RFC 0/6] zsmalloc support compaction

2014-12-17 Thread Ganesh Mahendran
2014-12-18 7:19 GMT+08:00 Seth Jennings : > On Tue, Dec 02, 2014 at 11:49:41AM +0900, Minchan Kim wrote: >> Recently, there was issue about zsmalloc fragmentation and >> I got a report from Juno that new fork failed although there >> are plenty of free pages in the system. >> His investigation reve

Re: [RFC 0/6] zsmalloc support compaction

2014-12-17 Thread Seth Jennings
On Tue, Dec 02, 2014 at 11:49:41AM +0900, Minchan Kim wrote: > Recently, there was issue about zsmalloc fragmentation and > I got a report from Juno that new fork failed although there > are plenty of free pages in the system. > His investigation revealed zram is one of the culprit to make > heavy

Re: [RFC 0/6] zsmalloc support compaction

2014-12-03 Thread 박승호/책임연구원/SW Platform(연)AOT팀(seungho1.p...@lge.com)
Hi, Minchan. I got it. Thank u :). Seungho. 2014-12-04 오후 4:20에 Minchan Kim 이(가) 쓴 글: Hey Seungho, On Thu, Dec 04, 2014 at 03:49:21PM +0900, "박승호/책임연구원/SW Platform(연)AOT팀(seungho1.p...@lge.com)" wrote: Hi, Minchan. I have a question. The problem mentioned can't be resolved with compaction?

Re: [RFC 0/6] zsmalloc support compaction

2014-12-03 Thread 박승호/책임연구원/SW Platform(연)AOT팀(seungho1.p...@lge.com)
Hi, Minchan. Sorry, I got it. You made zsmalloc pages movable. forget it. Seungho. 2014-12-04 오후 3:49에 "박승호/책임연구원/SW Platform(연)AOT팀 (seungho1.p...@lge.com)" 이(가) 쓴 글: Hi, Minchan. I have a question. The problem mentioned can't be resolved with compaction? Is there any reason that zsmalloc p

Re: [RFC 0/6] zsmalloc support compaction

2014-12-03 Thread Minchan Kim
Hey Seungho, On Thu, Dec 04, 2014 at 03:49:21PM +0900, "박승호/책임연구원/SW Platform(연)AOT팀(seungho1.p...@lge.com)" wrote: > Hi, Minchan. > > I have a question. > The problem mentioned can't be resolved with compaction? > Is there any reason that zsmalloc pages can't be moved by compaction > operation

Re: [RFC 0/6] zsmalloc support compaction

2014-12-03 Thread 박승호/책임연구원/SW Platform(연)AOT팀(seungho1.p...@lge.com)
Hi, Minchan. I have a question. The problem mentioned can't be resolved with compaction? Is there any reason that zsmalloc pages can't be moved by compaction operation in direct reclaim? 2014-12-02 오전 11:49에 Minchan Kim 이(가) 쓴 글: Recently, there was issue about zsmalloc fragmentation and I got