From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Adam Litke <agl@us.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, William Lee Irwin III <wli@holomorphy.com>
Subject: Re: [PATCH] "Convert" hugetlbfs to use vm_ops->fault()
Date: Thu, 29 Mar 2007 12:52:38 +1000 [thread overview]
Message-ID: <460B29F6.8070405@yahoo.com.au> (raw)
In-Reply-To: <20070328202713.4864.71864.stgit@localhost.localdomain>
Adam Litke wrote:
> Hi Andrew, I discovered that 2.6.21-rc5-mm1 was oopsing my box when running
> the libhugetlbfs test suite. The trouble led me once again to shm stacked
> files ;-) The stacked mmap function is labeling the lack of a ->fault()
> vm_op a BUG() which is probably a good idea. It isn't really a problem for
> hugetlbfs though, since our faults are handled by an explicit hook in
> __handle_mm_fault(). Rather than removing the BUG(), just convert the
> hugetlbfs ->nopage() placeholder to a ->fault() one which helps us get one
> step closer to removing the nopage vm_op anyway.
Thanks Adam. I thought I'd done hugetlb... oh well.
>
> Signed-off-by: Adam Litke <agl@us.ibm.com>
Acked-by: Nick Piggin <npiggin@suse.de>
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SUSE Labs, Novell Inc.
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prev parent reply other threads:[~2007-03-29 2:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-28 20:27 Adam Litke
2007-03-29 2:52 ` Nick Piggin [this message]
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