Messages in this thread | | | Date | Sun, 5 Oct 2003 15:01:57 -0300 (BRT) | From | Marcelo Tosatti <> | Subject | Re: swap and 2.4.20 |
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On Sun, 5 Oct 2003, Maciej Zenczykowski wrote:
> > I remember Linus ranting about swap at one point, but it's been a while. > > > > What is the current state of the need for swap on a linux kernel, 2.4.20 in > > specific. Does it need *any*, given some reasonable amount of RAM? What > > constitutes a reasonable of RAM? > > > > My recent experience suggest none is needed. > > I have a different - slightly academic - question. Is it possible to turn > off swapping? (not turn off swap) Ie. to prevent the kernel from > unloading paged-in read-only executables? I realise this is a tough > question with mmap being used for many other things besides executables...
No. Paged-in clean pages might be removed from memory at any time and reread upon access.
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