Re: [PATCH 0/3] 1G transparent hugepage support for device dax

2017-01-24 Thread Nilesh Choudhury
Konrad's explanation is precise. There are applications which have a process model; and if you assume 10,000 processes attempting to mmap all the 6TB memory available on a server; we are looking at the following: processes ; 10,000 memory:6TB pte @ 4k page siz

Re: [PATCH 0/3] 1G transparent hugepage support for device dax

2017-01-24 Thread Konrad Rzeszutek Wilk
On Tue, Jan 24, 2017 at 10:26:54AM -0800, Dan Williams wrote: > On Tue, Jan 24, 2017 at 3:12 AM, Jan Kara wrote: > > On Mon 23-01-17 16:47:18, Dave Jiang wrote: > >> The following series implements support for 1G trasparent hugepage on > >> x86 for device dax. The bulk of the code was written by M

Re: [PATCH 0/3] 1G transparent hugepage support for device dax

2017-01-24 Thread Dan Williams
On Tue, Jan 24, 2017 at 3:12 AM, Jan Kara wrote: > On Mon 23-01-17 16:47:18, Dave Jiang wrote: >> The following series implements support for 1G trasparent hugepage on >> x86 for device dax. The bulk of the code was written by Mathew Wilcox >> a while back supporting transparent 1G hugepage for fs

Re: [PATCH 0/3] 1G transparent hugepage support for device dax

2017-01-24 Thread Jan Kara
On Mon 23-01-17 16:47:18, Dave Jiang wrote: > The following series implements support for 1G trasparent hugepage on > x86 for device dax. The bulk of the code was written by Mathew Wilcox > a while back supporting transparent 1G hugepage for fs DAX. I have > forward ported the relevant bits to 4.10

[PATCH 0/3] 1G transparent hugepage support for device dax

2017-01-23 Thread Dave Jiang
The following series implements support for 1G trasparent hugepage on x86 for device dax. The bulk of the code was written by Mathew Wilcox a while back supporting transparent 1G hugepage for fs DAX. I have forward ported the relevant bits to 4.10-rc. The current submission has only the necessary c