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vm: Add #:memory-size parameter for 'expression->derivation-in-linux-vm'.

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* gnu/system/vm.scm (expression->derivation-in-linux-vm): Add
  #:memory-size parameter, defaulting to 256 (QEMU defaults to 128.)
This commit is contained in:
Ludovic Courtès 2014-04-09 13:47:57 +02:00
parent 4d9a80ba75
commit defa1b9bee
1 changed files with 4 additions and 1 deletions
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5
gnu/system/vm.scm
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@ -78,12 +78,14 @@ (define* (expression->derivation-in-linux-vm name exp
(make-disk-image? #f)
(references-graphs #f)
(memory-size 256)
(disk-image-size
(* 100 (expt 2 20))))
"Evaluate EXP in a QEMU virtual machine running LINUX with INITRD (a
derivation). In the virtual machine, EXP has access to all of INPUTS from the
store; it should put its output files in the `/xchg' directory, which is
copied to the derivation's output when the VM terminates.
copied to the derivation's output when the VM terminates. The virtual machine
runs with MEMORY-SIZE MiB of memory.
When MAKE-DISK-IMAGE? is true, then create a QEMU disk image of
DISK-IMAGE-SIZE bytes and return it.
@ -157,6 +159,7 @@ (define builder
(and (zero?
(system* qemu "-enable-kvm" "-nographic" "-no-reboot"
"-m" ,(number->string memory-size)
"-net" "nic,model=virtio"
"-virtfs"
,(string-append "local,id=store_dev,path=" (%store-prefix)