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Date:	Sat, 25 Feb 2012 17:31:30 -0800
From:	Linus Torvalds <>
To:	Andreas Schwab <>
Cc:	Ian Kent <>, David Miller <>,, "H. Peter Anvin" <>,, Thomas Meyer <>,
	Al Viro <>
Subject: Re: [PATCH] autofs4: fix compilation without CONFIG_COMPAT

On Sat, Feb 25, 2012 at 2:10 PM, Andreas Schwab <> wrote:
> The compat_daemon stuff is only needed on x86-64, and is_compat_task is
> only defined with CONFIG_COMPAT, so disable it for all other
> configurations.

Ugh, I hate the proliferation of #ifdefs in code when they aren't
really necessary.

How about this patch instead? It's small, simple, and clean. Maybe it
would even allow a few other #ifdef's to be removed (I see one in
kernel/seccomp.c, for example, although I suspect that
'mode1_syscalls_32' might also be a compat-only thing, so who knows)

And if you worry about the size of autofs_sb_info, I think that could
be made denser by using 'char' or bitfields instead of the various
ints that hold small values or flags instead.


View attachment "patch.diff" of type "text/x-patch" (530 bytes)

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