Date: Fri, 18 Sep 2015 19:30:03 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: calloc()/mmap() vs. fork() On 2015-09-18 19:04, Solar Designer wrote: > On Fri, Sep 18, 2015 at 06:49:22PM +0200, magnum wrote: >> On 2015-09-17 20:53, Solar Designer wrote: >>> I've just tried changing our mem_calloc() to make it actually use >>> calloc(), and using it for the hash tables and bitmaps in loader.c. >> >> This was news to be, although git blame shows I should have been aware >> of it. I regard it a bug and have now committed such a change. > > Now we'll need to look out for fork() performance regressions, if we > start using mem_calloc() for anything large prior to fork(). BTW is that universally expected? Here's a crazy idea: We could keep it one function, and use calloc() only unless --fork. magnum
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