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Date:	Wed, 05 Dec 2007 20:41:00 +0100
From:	Andi Kleen <>
To:	Dave Anderson <>
Subject: Re: [PATCH] exec: allow > 2GB executables to run on 64-bit systems

Dave Anderson <> writes:

> When a executable that is greater than 2GB in size is attempted on a 64-bit
> system on a file system that calls, or uses generic_file_open() as its
> open handler, it fails with an EOVERFLOW erro.  This patch adds a call
> to force_o_largefile() call in open_exec(), as done in sys_open() and
> sys_openat().

Wouldn't it be better to just always pass O_LARGEFILE unconditionally
there? e.g. in theory a 2.5GB executable should work on i386 and binfmt_*
shouldn't have any problems with a large file.
That would simplify your patch.


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