Groups > linux.kernel > #1211910

Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info

From	Rasmus Villemoes <linux@rasmusvillemoes.dk>
Newsgroups	linux.kernel
Subject	Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info
Date	2015-08-24 10:40 +0200
Message-ID	<q0Vsm-2pv-31@gated-at.bofh.it> (permalink)
References	<q0wDE-JZ-5@gated-at.bofh.it> <q0xgm-1sj-5@gated-at.bofh.it> <q0yFs-3AK-3@gated-at.bofh.it> <q0KwV-3vr-3@gated-at.bofh.it> <q0TTA-5t-5@gated-at.bofh.it>
Organization	D03

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On Mon, Aug 24 2015, Ingo Molnar <mingo@kernel.org> wrote:

>
> Thanks, is the fixed up changelog below better?
>

Yes, though Linus specifically referred to "make test" (but I guess one
could/should consider that part of the build process).

Rasmus


> mm/vmalloc: Cache the vmalloc memory info
>
> Linus reported that for scripting-intense workloads such as the
> Git build, glibc's qsort will read /proc/meminfo for every process
> created (by way of get_phys_pages()), which causes the Git build 
> to generate a surprising amount of kernel overhead.
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Thread

Re: [PATCH 0/3] mm/vmalloc: Cache the /proc/meminfo vmalloc statistics "George Spelvin" <linux@horizon.com> - 2015-08-23 06:50 +0200
  Re: [PATCH 0/3] mm/vmalloc: Cache the /proc/meminfo vmalloc  statistics Ingo Molnar <mingo@kernel.org> - 2015-08-23 08:10 +0200
    Re: [PATCH 0/3] mm/vmalloc: Cache the /proc/meminfo vmalloc statistics "George Spelvin" <linux@horizon.com> - 2015-08-23 08:50 +0200
      [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Ingo Molnar <mingo@kernel.org> - 2015-08-23 10:20 +0200
        Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2015-08-23 23:00 +0200
          Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Ingo Molnar <mingo@kernel.org> - 2015-08-24 09:00 +0200
            Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2015-08-24 10:40 +0200
        Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2015-08-24 00:00 +0200
          Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Ingo Molnar <mingo@kernel.org> - 2015-08-24 09:10 +0200
          Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-25 18:40 +0200
            Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-25 19:10 +0200
        Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info "George Spelvin" <linux@horizon.com> - 2015-08-24 03:10 +0200
          [PATCH 3/3 v4] mm/vmalloc: Cache the vmalloc memory info Ingo Molnar <mingo@kernel.org> - 2015-08-24 09:40 +0200
            Re: [PATCH 3/3 v4] mm/vmalloc: Cache the vmalloc memory info Ingo Molnar <mingo@kernel.org> - 2015-08-24 09:50 +0200
              [PATCH 3/3 v5] mm/vmalloc: Cache the vmalloc memory info Ingo Molnar <mingo@kernel.org> - 2015-08-24 10:00 +0200
                Re: [PATCH 3/3 v5] mm/vmalloc: Cache the vmalloc memory info "George Spelvin" <linux@horizon.com> - 2015-08-24 15:00 +0200
                [PATCH 3/3 v6] mm/vmalloc: Cache the vmalloc memory info Ingo Molnar <mingo@kernel.org> - 2015-08-25 12:00 +0200
                Re: [PATCH 3/3 v6] mm/vmalloc: Cache the vmalloc memory info "George Spelvin" <linux@horizon.com> - 2015-08-25 12:40 +0200
                Re: [PATCH 3/3 v6] mm/vmalloc: Cache the vmalloc memory info Peter Zijlstra <peterz@infradead.org> - 2015-08-25 15:10 +0200
                Re: [PATCH 3/3 v6] mm/vmalloc: Cache the vmalloc memory info Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2015-08-25 16:30 +0200
                Re: [PATCH 3/3 v6] mm/vmalloc: Cache the vmalloc memory info "George Spelvin" <linux@horizon.com> - 2015-08-25 17:20 +0200
            Re: [PATCH 3/3 v4] mm/vmalloc: Cache the vmalloc memory info "John Stoffel" <john@stoffel.org> - 2015-08-24 15:50 +0200
              Re: [PATCH 3/3 v4] mm/vmalloc: Cache the vmalloc memory info "George Spelvin" <linux@horizon.com> - 2015-08-24 17:20 +0200
                Re: [PATCH 3/3 v4] mm/vmalloc: Cache the vmalloc memory info "John Stoffel" <john@stoffel.org> - 2015-08-24 18:00 +0200
        Re: [PATCH 3/3 v3] mm/vmalloc: Cache the vmalloc memory info Peter Zijlstra <peterz@infradead.org> - 2015-08-25 14:50 +0200

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