Messages in this thread | | | Date | Sun, 17 Mar 2002 17:48:02 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: [Lse-tech] Re: 10.31 second kernel compile |
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On Sun, 17 Mar 2002, Mike Fedyk wrote:
> On Sun, Mar 17, 2002 at 05:13:16PM -0800, Davide Libenzi wrote:
> > What's the reason that would make more convenient for us, upon receiving a > > request to map a NNN MB file, to map it using 4Kb pages instead of 4MB ones ? > > ... the VM chooses to unmap a mmaped page, it chooses a 4mb page, later it > needs just a few bytes from that unmaped page and free 4mb instead of 4kb (worst > case) to map that page again...
The big-page property should be vma related and should be obviously handled correctly ...
- Davide
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