Messages in this thread | | | Date | Tue, 28 Feb 2006 07:06:54 -0500 | From | John Richard Moser <> | Subject | Re: Memory compression (again). . help? |
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Magnus Damm wrote: > On 2/28/06, John Richard Moser <nigelenki@comcast.net> wrote: >> Hmm, I can't see where the kernel checks to see which pages are least >> used. . . . anyone good with the VM can point me in the right direction? > > The page reclaim code responsible for shrinking the LRUs code be found > in mm/vmscan.c. That file contains a lot of code, my recommendation to > you is to have a look at shrink_zone() which is responsible for > rotating and shrinking the active and inactive lists. >
Thanks, I'll take a look.
> Also, If you want to compress pages that normally would be swapped > out, then I recommend you to have a look at the functions in > mm/swap_state.c and see how swap space gets allocated and freed. >
Mm. Ok.
> If you need to know more about the Linux VM then I recommend you to > buy the excellent book "Understanding the Linux Virtual Memory > Manager" written by Mel Gorman, ISBN 0-13-145348-3. My copy of that > book covers Linux-2.4 and has some comments about 2.6 too. >
I'll shoot from the hip, my foot grows back.
> / magnus >
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