Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2014-08-22 Thread Andi Kleen
> >commit 944d9fec8d7aee3f2e16573e9b6a16634b33f403 > >Author: Luiz Capitulino > >Date: Wed Jun 4 16:07:13 2014 -0700 > > > >hugetlb: add support for gigantic page allocation at runtime > > > > > > Ah, thanks for your pointing out. I should add the CMA allocation would still make sense, as

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2014-08-21 Thread Wanpeng Li
On Fri, Aug 22, 2014 at 09:34:30AM +0800, Zhang Yanfei wrote: >Hello Wanpeng > >On 08/22/2014 07:37 AM, Wanpeng Li wrote: >> Hi Andi, >> On Fri, Apr 12, 2013 at 05:22:37PM +0200, Andi Kleen wrote: >>> On Fri, Apr 12, 2013 at 07:29:07AM +0800, Wanpeng Li wrote: Ping Andi, On Thu, Apr 04, 2

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2014-08-21 Thread Zhang Yanfei
Hello Wanpeng On 08/22/2014 07:37 AM, Wanpeng Li wrote: > Hi Andi, > On Fri, Apr 12, 2013 at 05:22:37PM +0200, Andi Kleen wrote: >> On Fri, Apr 12, 2013 at 07:29:07AM +0800, Wanpeng Li wrote: >>> Ping Andi, >>> On Thu, Apr 04, 2013 at 05:09:08PM +0800, Wanpeng Li wrote: order >= MAX_ORDER pag

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2014-08-21 Thread Wanpeng Li
Hi Andi, On Fri, Apr 12, 2013 at 05:22:37PM +0200, Andi Kleen wrote: >On Fri, Apr 12, 2013 at 07:29:07AM +0800, Wanpeng Li wrote: >> Ping Andi, >> On Thu, Apr 04, 2013 at 05:09:08PM +0800, Wanpeng Li wrote: >> >order >= MAX_ORDER pages are only allocated at boot stage using the >> >bootmem allocat

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2013-04-12 Thread Andi Kleen
On Fri, Apr 12, 2013 at 07:29:07AM +0800, Wanpeng Li wrote: > Ping Andi, > On Thu, Apr 04, 2013 at 05:09:08PM +0800, Wanpeng Li wrote: > >order >= MAX_ORDER pages are only allocated at boot stage using the > >bootmem allocator with the "hugepages=xxx" option. These pages are never > >free after b

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2013-04-05 Thread Michal Hocko
On Fri 05-04-13 16:54:44, Simon Jeons wrote: > Hi Michal, > On 04/05/2013 04:12 PM, Michal Hocko wrote: > >On Fri 05-04-13 07:41:23, Wanpeng Li wrote: > >>On Thu, Apr 04, 2013 at 06:17:46PM +0200, Michal Hocko wrote: > >>>On Thu 04-04-13 17:09:08, Wanpeng Li wrote: > order >= MAX_ORDER pages ar

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2013-04-05 Thread Michal Hocko
On Fri 05-04-13 16:27:59, Wanpeng Li wrote: > On Fri, Apr 05, 2013 at 10:12:39AM +0200, Michal Hocko wrote: > >On Fri 05-04-13 07:41:23, Wanpeng Li wrote: > >> On Thu, Apr 04, 2013 at 06:17:46PM +0200, Michal Hocko wrote: > >> >On Thu 04-04-13 17:09:08, Wanpeng Li wrote: > >> >> order >= MAX_ORDER

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2013-04-05 Thread Simon Jeons
Hi Michal, On 04/05/2013 04:12 PM, Michal Hocko wrote: On Fri 05-04-13 07:41:23, Wanpeng Li wrote: On Thu, Apr 04, 2013 at 06:17:46PM +0200, Michal Hocko wrote: On Thu 04-04-13 17:09:08, Wanpeng Li wrote: order >= MAX_ORDER pages are only allocated at boot stage using the bootmem allocator wit

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2013-04-05 Thread Michal Hocko
On Fri 05-04-13 07:41:23, Wanpeng Li wrote: > On Thu, Apr 04, 2013 at 06:17:46PM +0200, Michal Hocko wrote: > >On Thu 04-04-13 17:09:08, Wanpeng Li wrote: > >> order >= MAX_ORDER pages are only allocated at boot stage using the > >> bootmem allocator with the "hugepages=xxx" option. These pages ar

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2013-04-04 Thread Michal Hocko
On Thu 04-04-13 18:17:46, Michal Hocko wrote: > On Thu 04-04-13 17:09:08, Wanpeng Li wrote: > > order >= MAX_ORDER pages are only allocated at boot stage using the > > bootmem allocator with the "hugepages=xxx" option. These pages are never > > free after boot by default since it would be a one-w

Re: [PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2013-04-04 Thread Michal Hocko
On Thu 04-04-13 17:09:08, Wanpeng Li wrote: > order >= MAX_ORDER pages are only allocated at boot stage using the > bootmem allocator with the "hugepages=xxx" option. These pages are never > free after boot by default since it would be a one-way street(>= MAX_ORDER > pages cannot be allocated lat

[PATCH 0/6] mm/hugetlb: gigantic hugetlb page pools shrink supporting

2013-04-04 Thread Wanpeng Li
order >= MAX_ORDER pages are only allocated at boot stage using the bootmem allocator with the "hugepages=xxx" option. These pages are never free after boot by default since it would be a one-way street(>= MAX_ORDER pages cannot be allocated later), but if administrator confirm not to use these