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Do I really need a swap?
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kz14Eric
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PostPosted: Mon Jan 22, 2007 2:06 am    Post subject: Do I really need a swap? Reply with quote

I am about to attempt a Gentoo install on my new IBM TP T41p (2737-GEU). I am trying to follow the handbook as closely as possible, but I'm wondering if I have 2 gigs of ram if I really need a swap partition. Thanks for the help guys!

-Eric

EDIT: typo
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Section_8
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PostPosted: Mon Jan 22, 2007 2:12 am    Post subject: Reply with quote

In addition to virtual memory, linux can also use swap if you want to use tmpfs for /tmp (file system in memory, backed by swap) or suspend to disk (hibernate).
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kz14Eric
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PostPosted: Mon Jan 22, 2007 2:17 am    Post subject: Reply with quote

Oh, I had no idea swap was used for hibernate (I definite feature I want with a laptop). Thanks for the info!

-Eric
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PostPosted: Mon Jan 22, 2007 2:29 am    Post subject: Reply with quote

Here is a how-to for suspend 2 with gentoo: http://gentoo-wiki.com/HOWTO_Software_Suspend_v2
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Kaste
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PostPosted: Mon Jan 22, 2007 3:23 am    Post subject: Reply with quote

Well swap CAN be used for hibernate but Suspend2 comes with a file writer these days as well, so you don't necessarily need swap for that anymore and 2 gigs of Ram is a size that excedds the virtual memory of many machines.

I'd say you forget the swap and give filewriter a try.
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bradbeglin
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PostPosted: Mon Jan 22, 2007 5:27 am    Post subject: Reply with quote

previous discussions on this topic tend to conclude that a little swap is probably still a good idea (just search for swap space), but anything more than say 512mb would be overkill, unless you are using the swap for hibernate...
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nixnut
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PostPosted: Mon Jan 22, 2007 6:46 pm    Post subject: Reply with quote

Moved from Installing Gentoo to Duplicate Threads.
See here for answers to memory questions.
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