Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1537647 > unrolled thread

[PATCH] mm: page_alloc: High-order per-cpu page allocator v7

Started byMel Gorman <mgorman@techsingularity.net>
First post2016-12-07 11:20 +0100
Last post2016-12-08 17:10 +0100
Articles 2 on this page of 22 — 4 participants

Back to article view | Back to linux.kernel


Contents

  [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-07 11:20 +0100
    Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Christoph Lameter <cl@linux.com> - 2016-12-07 16:00 +0100
      Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-07 17:00 +0100
        Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Christoph Lameter <cl@linux.com> - 2016-12-07 17:50 +0100
          Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-07 17:50 +0100
            Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Christoph Lameter <cl@linux.com> - 2016-12-07 18:20 +0100
              Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-07 18:40 +0100
    Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Eric Dumazet <eric.dumazet@gmail.com> - 2016-12-07 20:10 +0100
      Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Eric Dumazet <eric.dumazet@gmail.com> - 2016-12-07 20:20 +0100
      Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-07 20:50 +0100
        Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Eric Dumazet <eric.dumazet@gmail.com> - 2016-12-07 21:20 +0100
          Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-07 22:30 +0100
            Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-08 00:30 +0100
              Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Jesper Dangaard Brouer <brouer@redhat.com> - 2016-12-08 09:30 +0100
                Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-08 10:20 +0100
                  Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Jesper Dangaard Brouer <brouer@redhat.com> - 2016-12-08 11:50 +0100
                    Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-08 12:10 +0100
                      Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Jesper Dangaard Brouer <brouer@redhat.com> - 2016-12-08 15:50 +0100
                        Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-08 16:20 +0100
                          Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Jesper Dangaard Brouer <brouer@redhat.com> - 2016-12-08 18:30 +0100
                            Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Mel Gorman <mgorman@techsingularity.net> - 2016-12-08 18:40 +0100
                  Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7 Eric Dumazet <eric.dumazet@gmail.com> - 2016-12-08 17:10 +0100

Page 2 of 2 — ← Prev page 1 [2]


#1538753

FromMel Gorman <mgorman@techsingularity.net>
Date2016-12-08 18:40 +0100
Message-ID<sMaPM-vZ-45@gated-at.bofh.it>
In reply to#1538741
On Thu, Dec 08, 2016 at 06:19:51PM +0100, Jesper Dangaard Brouer wrote:
> > > See patch below signature.
> > > 
> > > Besides I think you misunderstood me, you can adjust:
> > >  sysctl net.core.rmem_max
> > >  sysctl net.core.wmem_max
> > > 
> > > And you should if you plan to use/set 851968 as socket size for UDP
> > > remote tests, else you will be limited to the "max" values (212992 well
> > > actually 425984 2x default value, for reasons I cannot remember)
> > >   
> > 
> > The intent is to use the larger values to avoid packet loss on
> > UDP_STREAM.
> 
> We do seem to misunderstand each-other.
> I was just pointing out two things:
> 
> 1. Notice the difference between "max" and "default" proc setting.
>    Only adjust the "max" setting.
> 
> 2. There was simple BASH-shell script error in your commit.
>    Patch below fix it.
> 

Understood now.

> [PATCH] mmtests: actually use variable SOCKETSIZE_OPT
> 
> From: Jesper Dangaard Brouer <brouer@redhat.com>
> 

Applied, thanks!

-- 
Mel Gorman
SUSE Labs

[toc] | [prev] | [next] | [standalone]


#1538661

FromEric Dumazet <eric.dumazet@gmail.com>
Date2016-12-08 17:10 +0100
Message-ID<sM9qG-8e6-29@gated-at.bofh.it>
In reply to#1538400
On Thu, 2016-12-08 at 09:18 +0000, Mel Gorman wrote:

> Yes, I set it for higher speed networks as a starting point to remind me
> to examine rmem_default or socket configurations if any significant packet
> loss is observed.

Note that your page allocators changes might show more impact with
netperf and af_unix (instead of udp)

[toc] | [prev] | [standalone]


Page 2 of 2 — ← Prev page 1 [2]

Back to top | Article view | linux.kernel


csiph-web