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Bug 659119 - khugepaged numa memcg minor memleak
khugepaged numa memcg minor memleak
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel (Show other bugs)
6.1
Unspecified Unspecified
low Severity medium
: rc
: ---
Assigned To: Andrea Arcangeli
Caspar Zhang
:
Depends On:
Blocks:
  Show dependency tree / graph
 
Reported: 2010-12-01 18:26 EST by Andrea Arcangeli
Modified: 2011-05-19 08:36 EDT (History)
2 users (show)

See Also:
Fixed In Version: kernel-2.6.32-92.el6
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Environment:
Last Closed: 2011-05-19 08:36:00 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:0542 normal SHIPPED_LIVE Important: Red Hat Enterprise Linux 6.1 kernel security, bug fix and enhancement update 2011-05-19 07:58:07 EDT

  None (edit)
Description Andrea Arcangeli 2010-12-01 18:26:37 EST 
If there's a memcg failure a minor memleak could happen in khugepaged. This was found only by code review of the upstream submit of THP.
Comment 1 Andrea Arcangeli 2010-12-01 18:30:47 EST 
fix posted to rhkernel-list in Message-ID: <20101201233020.GO30389@random.random>
Comment 3 RHEL Product and Program Management 2010-12-14 12:40:06 EST 
This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has 
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed 
products. This request is not yet committed for inclusion in an Update release.
Comment 4 Andrea Arcangeli 2010-12-15 14:29:07 EST 
Here a kernel rpm including the fix:

http://brewweb.devel.redhat.com/brew/taskinfo?taskID=2978493
Comment 5 Aristeu Rozanski 2010-12-16 15:54:01 EST 
Patch(es) available on kernel-2.6.32-92.el6
Comment 9 Caspar Zhang 2011-05-01 07:25:32 EDT 
kmemleak enabled to catch the leak, but failed when running memcg on both old and new kernels. 

looked into the patch, the patch in comment 6 was applied (from changelog), it was changed by the patch in bug 647849. But it should still valid since it only changed the label names.

Mark SanityOnly.
Comment 10 errata-xmlrpc 2011-05-19 08:36:00 EDT 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0542.html
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