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From: Brian King <brking@linux.vnet.ibm.com>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org, kniht@linux.vnet.ibm.com,
	agl@linux.vnet.ibm.com
Subject: Re: [PATCH 1/1] powerpc: Check for valid hugepage size in hugetlb_get_unmapped_area
Date: Thu, 04 Dec 2008 17:06:18 -0600	[thread overview]
Message-ID: <4938626A.5070801@linux.vnet.ibm.com> (raw)
In-Reply-To: <18744.25000.311915.697199@cargo.ozlabs.ibm.com>

Paul Mackerras wrote:
> Brian King writes:
> 
>> It looks like most of the hugetlb code is doing the correct thing if
>> hugepages are not supported, but the mmap code is not. If we get into
>> the mmap code when hugepages are not supported, such as in an LPAR
>> which is running Active Memory Sharing, we can oops the kernel. This
>> patch fixes the oops being seen in this path.
> 
> Sounds like this is a regression since 2.6.27 - is it?  In any case, I
> assume this needs to go to Linus for 2.6.28.  Do you agree?

This should go to Linus for 2.6.28

Thanks,

Brian

-- 
Brian King
Linux on Power Virtualization
IBM Linux Technology Center

  reply	other threads:[~2008-12-04 23:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-04 14:07 [PATCH 1/1] powerpc: Check for valid hugepage size in hugetlb_get_unmapped_area Brian King
2008-12-04 23:03 ` Paul Mackerras
2008-12-04 23:06   ` Brian King [this message]
2008-12-04 23:18     ` Paul Mackerras
2008-12-05  0:02       ` Brian King

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