Thread (47 messages) 47 messages, 7 authors, 2003-05-17

Re: Race between vmtruncate and mapped areas?

From: Dave McCracken <hidden>
Date: 2003-05-14 18:11:49
Also in: lkml

--On Wednesday, May 14, 2003 11:17:48 -0700 Andrew Morton [off-list ref]
wrote:
I think it might be sufficient to re-check the page against i_size
after IO completion in filemap_nopage().
It would definitely make the window a lot smaller, though it won't quite
close it.  To be entirely safe we'd need to recheck after we've retaken
page_table_lock.

Dave

======================================================================
Dave McCracken          IBM Linux Base Kernel Team      1-512-838-3059
dmccr@us.ibm.com                                        T/L   678-3059

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