Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.
RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Bug 861167

Summary: pull in new MADV_DONTDUMP flag for madvise system call
Product: Red Hat Enterprise Linux 6 Reporter: Jason Baron <jbaron>
Component: glibcAssignee: Jeff Law <law>
Status: CLOSED ERRATA QA Contact: qe-baseos-tools-bugs
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 6.4CC: fweimer, knoel, mfranc
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: glibc-2.12-1.102.el6 Doc Type: Bug Fix
Doc Text:
Cause: glibc included in RHEL 6 does not define MADV_DONTDUMP or MADV_DODUMP Consequence: Code which relies upon those capabilities will not compile. Fix: MADV_DONTDUMP and MADV_DODUMP have been added to mman.h Result: Code which uses those macros should compile.
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-21 07:05:54 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
Potential patch, untested none

Description Jason Baron 2012-09-27 17:21:11 UTC
Description of problem:

I'm adding support for 'MADV_DONTDUMP' to the qemu-kvm package for 6.4, in order to support a mode in which guest memory is not included in a core dump - see bz #859447. I've posted patches adding 'MADV_DONTDUMP' to the kernel for 6.4. I would like to see these headers pulled into glibc for 6.4, so that I can make use of them. I also need these updated glibc headers pulled into the build root for 6.4. Thanks.

How reproducible:

Try using 'MADV_DONTDUMP' and it is not defined.

Comment 2 Jeff Law 2012-09-27 17:48:09 UTC
Created attachment 618220 [details]
Potential patch, untested

Comment 3 Jeff Law 2012-09-27 17:49:01 UTC
No objections from me.  Note that PM & QE will have to sign off for this to get into 6.4 though.

Comment 5 errata-xmlrpc 2013-02-21 07:05:54 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-0279.html