Re: [RFC] mm: Honor min_free_kbytes set by user

2013-07-09 Thread Michal Hocko
On Wed 10-07-13 01:40:06, Jiri Kosina wrote: > On Thu, 4 Jul 2013, Michal Hocko wrote: [...] > > >From 5f089c0b2a57ff6c08710ac9698d65aede06079f Mon Sep 17 00:00:00 2001 > > From: Michal Hocko > > Date: Thu, 4 Jul 2013 17:15:54 +0200 > > Subject: [PATCH] mm: Honor min_free_kbytes set by user > > >

Re: [RFC] mm: Honor min_free_kbytes set by user

2013-07-09 Thread Jiri Kosina
On Thu, 4 Jul 2013, Michal Hocko wrote: > On Thu 04-07-13 18:16:41, Michal Hocko wrote: > > On Thu 04-07-13 09:10:39, Joe Perches wrote: > > > On Thu, 2013-07-04 at 18:07 +0200, Michal Hocko wrote: > > > > A warning is printed when the new value is ignored. > > > > > > [] > > > > > > > +

Re: [RFC] mm: Honor min_free_kbytes set by user

2013-07-08 Thread KOSAKI Motohiro
Checkpatch fixes --- From 5f089c0b2a57ff6c08710ac9698d65aede06079f Mon Sep 17 00:00:00 2001 From: Michal Hocko Date: Thu, 4 Jul 2013 17:15:54 +0200 Subject: [PATCH] mm: Honor min_free_kbytes set by user min_free_kbytes is updated during memory hotplug (by init_per_zone_wmark_min) currently whic

Re: [RFC] mm: Honor min_free_kbytes set by user

2013-07-04 Thread Zhang Yanfei
On 07/05/2013 12:20 AM, Michal Hocko wrote: [snip] > --- > From 5f089c0b2a57ff6c08710ac9698d65aede06079f Mon Sep 17 00:00:00 2001 > From: Michal Hocko > Date: Thu, 4 Jul 2013 17:15:54 +0200 > Subject: [PATCH] mm: Honor min_free_kbytes set by user > > min_free_kbytes is updated during memory hot

Re: [RFC] mm: Honor min_free_kbytes set by user

2013-07-04 Thread Michal Hocko
On Thu 04-07-13 18:16:41, Michal Hocko wrote: > On Thu 04-07-13 09:10:39, Joe Perches wrote: > > On Thu, 2013-07-04 at 18:07 +0200, Michal Hocko wrote: > > > A warning is printed when the new value is ignored. > > > > [] > > > > > + printk(KERN_WARNING "min_free_kbytes is not updated to %

Re: [RFC] mm: Honor min_free_kbytes set by user

2013-07-04 Thread Michal Hocko
On Thu 04-07-13 09:10:39, Joe Perches wrote: > On Thu, 2013-07-04 at 18:07 +0200, Michal Hocko wrote: > > A warning is printed when the new value is ignored. > > [] > > > + printk(KERN_WARNING "min_free_kbytes is not updated to %d" > > + "because user defined v

Re: [RFC] mm: Honor min_free_kbytes set by user

2013-07-04 Thread Joe Perches
On Thu, 2013-07-04 at 18:07 +0200, Michal Hocko wrote: > A warning is printed when the new value is ignored. [] > + printk(KERN_WARNING "min_free_kbytes is not updated to %d" > + "because user defined value %d is preferred\n", > +

[RFC] mm: Honor min_free_kbytes set by user

2013-07-04 Thread Michal Hocko
min_free_kbytes is updated during memory hotplug (by init_per_zone_wmark_min) currently which is right thing to do in most cases but this could be unexpected if admin increased the value to prevent from allocation failures and the new min_free_kbytes would be decreased as a result of memory hotadd.