Bug 42820

Summary: Regression: Bad page map in process xyz
Product: Memory Management Reporter: Maciej Rutecki (maciej.rutecki)
Component: OtherAssignee: Andrew Morton (akpm)
Status: CLOSED INVALID    
Severity: normal CC: florian, maciej.rutecki, rjw
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: Subsystem:
Regression: Yes Bisected commit-id:
Bug Depends on:    
Bug Blocks: 42644    

Description Maciej Rutecki 2012-02-26 09:26:24 UTC 
Subject    : Regression: Bad page map in process xyz
Submitter  : Jiri Slaby <jslaby@suse.cz>
Date       : 2012-02-20 10:02
Message-ID : 4F421A29.6060303@suse.cz
References : http://marc.info/?l=linux-kernel&m=132973220718811&w=2

This entry is being used for tracking a regression from 3.2. Please don't
close it until the problem is fixed in the mainline.

Caused by:

commit afb1c03746aa940374b73a7d5750ee05a2376077
Author: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Date:   Fri Feb 17 10:57:58 2012 +1100

    thp: optimize away unnecessary page table locking

First-Bad-Commit : afb1c03746aa940374b73a7d5750ee05a2376077