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DateFri, 21 May 2004 07:34:49 -0400
FromMark Hounschell <>
SubjectRe: mlockall and mmap of IO devices don't mix
Joe Korty wrote:
> 
> 2.6.0-test6: the use of mlockall(2) in a process that has mmap(2)ed
> the registers of an IO device will hang that process uninterruptibly.
> The task runs in an infinite loop in get_user_pages(), invoking
> follow_page() forever.
> 
> Using binary search I discovered that the problem was introduced
> in 2.5.14, specifically in ChangeSetKey
> 
>     zippel@linux-m68k.org|ChangeSet|20020503210330|37095
> 

I know this is an old thread but can anyone tell me if this problem is
resolved in the current 2.6.6 kernel? 

Thanks
Mark
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