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Date: Wed, 9 Jun 2010 13:47:44 -0400
From: tytso@mit.edu
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>, Salman <sqazi@google.com>,
       Andrew Morton <akpm@linux-foundation.org>, peterz@infradead.org,
       akpm@inux-foundation.org,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       tytso@google.com, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] Fix a race in pid generation that causes pids to be
 reused immediately.
Message-ID: <20100609174744.GG6162@thunk.org>
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	akpm@inux-foundation.org,
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On Wed, Jun 09, 2010 at 10:43:33AM -0700, Linus Torvalds wrote:
> 
> We need that bitmap to handle the overflow max_pid case. We are _not_ 
> returning just increasing pid numbers.

Doh!  I knew I was forgetting something obvious.  I was hoping we
could get rid of the bitmap entirely, but I guess not....

(Unless users would stand for 64-bit pid numbers... no?  Dang. :-)

      	      	     	    	      - Ted
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