Re: unused shared memory is written into core dump - bug or feature?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Jun 12 2001 - 11:01:09 EST


> you can be sure to never happen :-), it stymies the whole system,
> as the kernel first seems to map all the 512MB, then dumps them
> into the core file.

2.2.20pre dumps only the non zero pages and leaves holes for empty pages
2.4 likewise

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This archive was generated by hypermail 2b29 : Fri Jun 15 2001 - 21:00:15 EST