Messages in this thread | | | Date | Fri, 29 Feb 2008 11:01:38 -0800 | From | "Ollie Wild" <> | Subject | Re: [RFC/PATCH] RLIMIT_ARG_MAX |
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On Fri, Feb 29, 2008 at 10:12 AM, Linus Torvalds <torvalds@linux-foundation.org> wrote: > > So it's not *going* to be exact even with RLIMIT_ARG_MAX, because it's > going to have all those other issues to contend with - on a 64-bit > architecture, the argument _pointers_ are often within an order of > magnitude of the argument strings themselves, and I don't think your patch > counted them as part of the argument/environemnt size (I was too lazy to > check the sources, but I'm pretty sure argv/env_start/end is just the > string space, not the pointers).
This is precisely why I picked 25% as the maximum argument size ratio. In practice, that 25% can easily mean 50% or more. If people want to increase this, it can probably be tweaked somewhat, but switching it to, say, 50% probably isn't a good idea.
Ollie
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