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
next prev parent 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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).