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Re: [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable

From: Roland McGrath <roland at hack dot frob dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: Rich Felker <dalias at aerifal dot cx>, libc-alpha at sourceware dot org
Date: Fri, 20 Jul 2012 15:44:17 -0700 (PDT)
Subject: Re: [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable
References: <20120720162519.734e02eb@spoyarek><5009A750.4050601@mentor.com><20120721012154.2de7da2b@spoyarek><20120720212303.GT544@brightrain.aerifal.cx><20120720214753.639312C0DF@topped-with-meat.com><20120720223800.GB26330@sunsite.ms.mff.cuni.cz>

> I believe you are talking about the madvise mode that has been discussed a
> few years ago, but unfortunately wasn't implemented in the end.

I was speaking in the abstract about what the interface contract for
MADV_DONTNEED is and thus the range of behaviors that some kernel (Linux
or otherwise) might one day implement.


Thanks,
Roland

Follow-Ups:
- Re: [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable
  - From: Jakub Jelinek

References:
- [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable
  - From: Siddhesh Poyarekar
- Re: [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable
  - From: Carlos O'Donell
- Re: [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable
  - From: Siddhesh Poyarekar
- Re: [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable
  - From: Rich Felker
- Re: [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable
  - From: Roland McGrath
- Re: [PATCH][RFC] Allow explicit shrinking of arena heaps using anenvironment variable
  - From: Jakub Jelinek

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