Author pitrou
Recipients josh.r, jtaylor, neologix, njs, pitrou, skrah, vstinner
Date 2014-04-27.19:09:37
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Content
> Hm...
> What's /proc/sys/vm/overcommit_memory ?
> If it's set to 0, then the kernel will always overcommit.

Ah, indeed.

> If you set it to 2, normally you'd definitely get ENOMEM

You're right, but with weird results:

$ gcc -o /tmp/test test.c; /tmp/test
malloc() returned NULL after 600MB
$ gcc -DDO_MEMSET -o /tmp/test test.c; /tmp/test
malloc() returned NULL after 600MB

(I'm supposed to have gigabytes free?!)
History
Date User Action Args
2014-04-27 19:09:37pitrousetrecipients: + pitrou, vstinner, njs, skrah, neologix, jtaylor, josh.r
2014-04-27 19:09:37pitroulinkissue21233 messages
2014-04-27 19:09:37pitroucreate