lkml.org 
[lkml]   [2012]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [RFC] on general object IDs again
> 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.


\
 
 \ /
  Last update: 2012-01-11 20:53    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site