Bug 10368 - regression breaks lowmem reserved RAM
Summary: regression breaks lowmem reserved RAM
Status: CLOSED CODE_FIX
Alias: None
Product: IO/Storage
Classification: Unclassified
Component: Block Layer (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Jens Axboe
URL:
Keywords:
Depends on:
Blocks: 9832
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Reported: 2008-03-30 11:45 UTC by Rafael J. Wysocki
Modified: 2008-04-02 15:10 UTC (History)
1 user (show)

See Also:
Kernel Version: commit 419c434c35614609fd0c79d335c134bf4b88b30b
Subsystem:
Regression: Yes
Bisected commit-id:

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Description Rafael J. Wysocki 2008-03-30 11:45:20 UTC 
Subject    : regression breaks lowmem reserved RAM
Submitter  : Andrea Arcangeli <andrea@qumranet.com>
Date       : 2008-03-28 20:49
References : http://lkml.org/lkml/2008/3/28/372

This entry is being used for tracking a regression from 2.6.24.  Please don't
close it until the problem is fixed in the mainline.
Comment 1 Rafael J. Wysocki 2008-03-30 11:46:37 UTC 
Caused by:

commit 419c434c35614609fd0c79d335c134bf4b88b30b
Author: Yang Shi <yang.shi@windriver.com>
Date:   Tue Mar 4 11:20:51 2008 +0100

    Fix DMA access of block device in 64-bit kernel on some non-x86 systems with 4GB or upper 4GB memory
Comment 2 Rafael J. Wysocki 2008-03-30 11:48:58 UTC 
commit 419c434c35614609fd0c79d335c134bf4b88b30b

Signed-off-by: Yang Shi <yang.shi@windriver.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Comment 3 Rafael J. Wysocki 2008-04-01 17:30:53 UTC 
Handled-By : Andrea Arcangeli <andrea@qumranet.com>
Patch : http://lkml.org/lkml/2008/4/1/113
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