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From: hooanon05@yahoo.co.jp
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: __vm_enough_memory(), OVERCOMMIT_NEVER, current->mm, kernel thread
Date: Wed, 22 Oct 2008 21:46:32 +0900	[thread overview]
Message-ID: <6920.1224679592@jrobl> (raw)
In-Reply-To: <20081022130926.44540b03@lxorguk.ukuu.org.uk>


Alan Cox:
> This is the patch I propose:
	:::
> We could simply check for NULL and skip the modifier but we've caught other
> real bugs in the past from mm being NULL here - cases where we did need a
> valid mm set up (eg the exec bug about a year ago).

OK.
I didn't know there was an actual bug but now I understand why you want
to insert WARN_ON().

I have nothing to say about your patch.


Thank you
Junjiro R. Okajima

  reply	other threads:[~2008-10-22 12:46 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-21 15:14 __vm_enough_memory(), OVERCOMMIT_NEVER, current->mm, kernel thread hooanon05
2008-10-21 15:46 ` Alan Cox
2008-10-21 23:10   ` hooanon05
2008-10-22  5:35     ` hooanon05
2008-10-22  8:27     ` Alan Cox
2008-10-22 11:26       ` hooanon05
2008-10-22 12:09         ` Alan Cox
2008-10-22 12:46           ` hooanon05 [this message]
2008-10-22 13:37           ` James Morris

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