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Re: Out of memory panic [message #36309 is a reply to message #36264]

Sat, 19 May 2012 14:05

mdelfede
Messages: 1310
Registered: September 2007

Ultimate Contributor

IMHO in modern OS with virtual memory, a true out-of-memory error is almost impossible.
What you usually get is a system slowdown because of swapping.

OTOH, memory corruptions often are reported as out of memory, and in my experience, there's nothing you can do about it... most recovery routines need working allocators.

The only solution I can think about is to have a separate block of preallocated memory usable by emergency routine as a pool for newly allocated blocks while trying to close gracefully the application, maybe saving some work.
Or, even if not preallocated, the memory could be requested as a big block from OS and then the allocators could switch to that block while shutting down.

Max

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[Message index]

		Out of memory panic By: koldo on Thu, 17 May 2012 12:38
		Re: Out of memory panic By: BioBytes on Fri, 18 May 2012 11:20
		Re: Out of memory panic By: mdelfede on Sat, 19 May 2012 14:05
		Re: Out of memory panic By: Tom1 on Sat, 19 May 2012 20:36
		Re: Out of memory panic By: mdelfede on Sat, 19 May 2012 21:24
		Re: Out of memory panic By: Tom1 on Sat, 19 May 2012 22:28
		Re: Out of memory panic By: mdelfede on Sat, 19 May 2012 22:41
		Re: Out of memory panic By: koldo on Sun, 20 May 2012 16:38
		Re: Out of memory panic By: mirek on Sun, 20 May 2012 17:13
		Re: Out of memory panic By: mdelfede on Sun, 20 May 2012 17:19
		Re: Out of memory panic By: koldo on Sun, 20 May 2012 20:15
		Re: Out of memory panic By: mdelfede on Sun, 20 May 2012 20:20
		Re: Out of memory panic By: koldo on Sun, 20 May 2012 20:52
		Re: Out of memory panic By: mirek on Mon, 21 May 2012 13:35
		Re: Out of memory panic By: mdelfede on Mon, 21 May 2012 13:39
		Re: Out of memory panic By: mirek on Tue, 22 May 2012 13:11
		Re: Out of memory panic By: mirek on Sun, 20 May 2012 17:11

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