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Re: Malloc not trimming sbrk space once it fills up

From: wmglo at dent dot med dot uni-muenchen dot de
To: jakub at redhat dot com
Cc: ptmalloc at malloc dot de, libc-hacker at sources dot redhat dot com
Date: 7 Jan 2004 18:28:58 -0000
Subject: Re: Malloc not trimming sbrk space once it fills up
References: <20040107150553.GA6413@sunsite.ms.mff.cuni.cz>

Hi,

> The attached testcase shows that once morecore fails for the first time
> and malloc needs to fall back into mmap arena, no more sbrk trimming
> happens even if all chunks in mmap areas are freed.

Thanks for the testcase, but this is to be expected.

Do you think this course of events is common enough to warrant a
change?

I'll take a look whether it can be changed easily.

Regards,
Wolfram.

Follow-Ups:
- Re: Malloc not trimming sbrk space once it fills up
  - From: Jakub Jelinek

References:
- Malloc not trimming sbrk space once it fills up
  - From: Jakub Jelinek

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