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Date: Fri, 2 Oct 2009 11:39:46 +0900
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: No more bits in vm_area_struct's vm_flags.
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To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>, Wu Fengguang <fengguang.wu@intel.com>, Nigel Cunningham <ncunningham@crca.org.au>, LKML <linux-kernel@vger.kernel.org>, "linux-mm@kvack.org" <linux-mm@kvack.org>
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On Fri, 2 Oct 2009 10:37:55 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> This one
> ==
> #define FLAG    (0x20)
> 
> int foo(unsigned long long x)
> {
>         if (x & ~FLAG)
>                 return 1;
>         return 0;
> }
> 
Then, !!(x & ~FLAG) is necessary...i see (>_<
Maybe no problem..

Thanks,
-Kame

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