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From: Andrew Morton <>
To: Adam Litke <>
Subject: Re: [PATCH] Don't allow the stack to grow into hugetlb reserved regions
Date: Fri, 26 Jan 2007 12:05:54 -0800	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <20070125214052.22841.33449.stgit@localhost.localdomain>

On Thu, 25 Jan 2007 13:40:52 -0800
Adam Litke <> wrote:

> When expanding the stack, we don't currently check if the VMA will cross into
> an area of the address space that is reserved for hugetlb pages.  Subsequent
> faults on the expanded portion of such a VMA will confuse the low-level MMU
> code, resulting in an OOPS.  Check for this.

We prefer not to oops.  Is there any reason why this isn't a serious fix, needed
in 2.6.20 and 2.6.19?

  reply	other threads:[~2007-01-26 20:06 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-25 21:40 Adam Litke
2007-01-26 20:05 ` Andrew Morton [this message]
2007-01-26 21:02 ` Hugh Dickins
2007-01-26 22:48   ` Ken Chen
2007-01-27  9:08     ` Hugh Dickins
2007-01-28 20:27       ` Ken Chen
2007-01-29 17:26         ` Hugh Dickins
2007-01-29 18:32           ` Ken Chen
2007-01-29 18:34 Adam Litke

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