Date: Wed, 27 Dec 2006 21:41:49 -0800 (PST)
Message-Id: <20061227.214149.74746689.davem@davemloft.net>
To: gordonfarquharson@gmail.com
Cc: torvalds@osdl.org, ranma@tdiedrich.de, tbm@cyrius.com,
       a.p.zijlstra@chello.nl, andrei.popa@i-neo.ro, akpm@osdl.org,
       hugh@veritas.com, nickpiggin@yahoo.com.au, arjan@infradead.org,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: fix page_mkclean_one
From: David Miller <davem@davemloft.net>
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From: "Gordon Farquharson" <gordonfarquharson@gmail.com>
Date: Wed, 27 Dec 2006 22:20:20 -0700

> and for some reason I get
> 
> linus-test.c: In function 'remap':
> linus-test.c:61: error: 'POSIX_FADV_DONTNEED' undeclared (first use in
> this function)
> 
> when I compile the program, so I replaced POSIX_FADV_DONTNEED with 4
> as defined in /usr/include/bits/fcntl.h.

Me too, I added "-D_POSIX_C_SOURCE=200112" to "fix" this.

Perhaps Linus's GCC sets that by default and our's doesn't.
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