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SubjectRe: Oddness in i_shared_lock and page_table_lock nesting hierarchies ?
   From: aprasad@in.ibm.com
Date: Fri, 10 Nov 2000 12:25:24 +0530

this link might be useful
http://mail.nl.linux.org/linux-mm/2000-07/msg00038.html

This talks about a completely different bug.

We are talking here about inconsistant ordering of lock acquisition
when both mapping->i_shared_lock and mm->page_table_lock must be
held simultaneously.

The thread you quoted merely mentions the issue we have mm->rss
modifications are not always protected properly by the
page_table_lock.

There were no previous public discussions about the
i_shared_lock/page_table_lock deadlock problems.

Later,
David S. Miller
davem@redhat.com
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