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I've created a swap file of 4.3GB. Made it a swap file with mkswap and then mounted it at boot. Now... if I have done a free -m of my system I got:

             total       used       free     shared    buffers     cached
Mem:           461         98        363          0         13         49
-/+ buffers/cache:         35        426
Swap:          511          0        511

Why the swap size is limited to 512MB? (My RAM size!) How can I increase that? Thank you!

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Post your method of creating the swap file (exact commands). I bet the issue lies there. How you mounted the swap file may also be relevant. –  Ярослав Рахматуллин Jul 17 '13 at 23:35

1 Answer 1

I retried doing the swap file with these parameters (that I thought I used before but..) and it worked.

dd if=/dev/zero of=/wherever/you/want bs=1024 count=4194304

Where 4194304 is 1024*4096(MB).

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