Re: [PATCH 4.4 131/160] mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings

2018-11-21 Thread Michal Hocko
On Tue 20-11-18 15:53:10, David Rientjes wrote: > On Tue, 20 Nov 2018, Michal Hocko wrote: > > > On Mon 19-11-18 14:16:24, David Rientjes wrote: > > > On Mon, 19 Nov 2018, Greg Kroah-Hartman wrote: > > > > > > > 4.4-stable review patch. If anyone has any objections, please let me > > > > know.

Re: [PATCH 4.4 131/160] mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings

2018-11-20 Thread David Rientjes
On Tue, 20 Nov 2018, Michal Hocko wrote: > On Mon 19-11-18 14:16:24, David Rientjes wrote: > > On Mon, 19 Nov 2018, Greg Kroah-Hartman wrote: > > > > > 4.4-stable review patch. If anyone has any objections, please let me > > > know. > > > > > > > As I noted when this patch was originally

Re: [PATCH 4.4 131/160] mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings

2018-11-19 Thread Michal Hocko
On Mon 19-11-18 14:16:24, David Rientjes wrote: > On Mon, 19 Nov 2018, Greg Kroah-Hartman wrote: > > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > As I noted when this patch was originally proposed and when I nacked it[*] > because it causes a 13.9%

Re: [PATCH 4.4 131/160] mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings

2018-11-19 Thread David Rientjes
On Mon, 19 Nov 2018, Greg Kroah-Hartman wrote: > 4.4-stable review patch. If anyone has any objections, please let me know. > As I noted when this patch was originally proposed and when I nacked it[*] because it causes a 13.9% increase in remote memory access latency and up to 40% increase

[PATCH 4.4 131/160] mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings

2018-11-19 Thread Greg Kroah-Hartman
4.4-stable review patch. If anyone has any objections, please let me know. -- From: Andrea Arcangeli commit ac5b2c18911ffe95c08d69273917f90212cf5659 upstream. THP allocation might be really disruptive when allocated on NUMA system with the local node full or hard to reclaim.