Messages in this thread | | | From | KOSAKI Motohiro <> | Date | Wed, 11 Jan 2012 14:50:55 -0500 | Subject | Re: [RFC] on general object IDs again |
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> This might work for mm_structs, although quite a lot apps now do have threads and > this mm->users check will be negative. But how about open files? Once we entered the > get-the-youngest-file-owner routine we need to take locks and with 1000 tasks the > overhead is not 1000 syscalls, but 1000 (syscalls + locks).
Unfortunately, I have no knowledge your program have what assumption of file modify. When I reviewed mincore patch from you, you said you assume any file are preserved. And If nobody change the files, why do we need to care file locks? I have no knowledge a grand picture of your design at all.
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