Bug 688669 - Wrong values for pages under slab in /proc/kpagecount file
Summary: Wrong values for pages under slab in /proc/kpagecount file
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.2
Hardware: Unspecified
OS: Linux
unspecified
low
Target Milestone: rc
: ---
Assignee: Petr Holasek
QA Contact: Red Hat Kernel QE team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-03-17 16:56 UTC by Petr Holasek
Modified: 2016-10-04 04:07 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-01-21 13:38:19 UTC
Target Upstream Version:

Attachments (Terms of Use)
Upstream patch (1.11 KB, application/octet-stream)
2011-03-17 16:56 UTC, Petr Holasek 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)

Description Petr Holasek 2011-03-17 16:56:00 UTC 
Created attachment 486064 [details]
Upstream patch

Description of problem:

There is a union of _mapcount value and slab structure in struct page, so /proc/kpagecount file gives wrong values for pages used by slab.

Problem was solved by this upstream commit (in attachment too):

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a6fc86d2b43bf1086557f023a24adf91db915559
Comment 2 RHEL Program Management 2011-10-07 15:26:56 UTC 
Since RHEL 6.2 External Beta has begun, and this bug remains
unresolved, it has been rejected as it is not proposed as
exception or blocker.

Red Hat invites you to ask your support representative to
propose this request, if appropriate and relevant, in the
next release of Red Hat Enterprise Linux.
Note You need to log in before you can comment on or make changes to this bug.