Messages in this thread | | | Date | Sun, 21 Nov 2004 19:13:45 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] [Request for inclusion] Filesystem in Userspace |
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Hi!
> So I would go along the lines of 2). However there is no way to know > when pages are dirtied (ther is no fault), so accounting the dirty > pages exactly is not possible. However accounting the _writable_ > pages should be possible with no overhead, since there is a fault when > the page of a mapping is first touched.
Ugh, this is going to be "interesting". Perhaps it can have little overhead, but hacking pagefault handlers is going to be hard. Pavel -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
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