From: Johannes Sixt <j6t@kdbg.org>
Date: Sat, 11 Aug 2012 08:20:16 GMT
Subject: Re: Porting git to HP NonStop
Message-ID: <502615C0.1050406@kdbg.org>
In-Reply-To: <CAJo=hJvwih+aOMg6SKP94_1q-az1XV-1Pcf=_fGbvdDcDpC23A@mail.gmail.com>

Am 10.08.2012 18:27, schrieb Shawn Pearce:
> There is no need to define your own mmap(). Define NO_MMAP=1 in the
> Makefile. Git already has its own fake mmap and knows how to write it
> back to disk when making changes.

Or better to say: the fake mmap has functionality that is sufficient for
git. In particular, it does *not* write back changes to disk (it
supports only MAP_PRIVATE), and the mapped area does not change if the
file is changed by a third party.

-- Hannes