All of lore.kernel.org
 help / color / mirror / Atom feed
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4938626A.5070801@linux.vnet.ibm.com \
    --to=brking@linux.vnet.ibm.com \
    --cc=agl@linux.vnet.ibm.com \
    --cc=kniht@linux.vnet.ibm.com \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=paulus@samba.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.