[Nix-dev] GHC "unable to decommit memory"

[Kevin Cox]

On Sep 1, 2016 10:03, "Eelco Dolstra" <eelco.dolstra at logicblox.com> wrote:
>
> Hi,
>
> On 09/01/2016 10:09 AM, Kevin Cox wrote:
>
> > Sounds more like we need glibc to support the kernel we are using. GHC
is
> > behaving fine and probably not the only program to have this problem.
>
> Glibc supports our kernel just fine - it just makes available some
features that
> our kernel doesn't have, which is not uncommon. I mean, what should Glibc
do in
> this case? The fix would be to build GHC with
--disable-large-address-space or
> apply patch https://ghc.haskell.org/trac/ghc/ticket/12495.
>

It doesn't sound just fine if it is advertising features that don't exist.
Is there a way to prevent glibc from saying that MADV_FREE is supported? I
understand that glibc "supports" it but it probably shouldn't be advertised
if the kernel underneath doesn't.
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