[Xen-devel] [PATCH 03/27] Guest setup: allow the amount of RAM to be a runvar

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

From: Dario Faggioli <raistlin@xxxxxxxx>

the value of which can be retrieved via guest_var('memory');.

This works for both PV and HVM Debian guests.

Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 Osstest/TestSupport.pm |    3 ++-
 ts-debian-fixup        |    3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
index a3b6936..cdff8d5 100644
--- a/Osstest/TestSupport.pm
+++ b/Osstest/TestSupport.pm
@@ -1460,11 +1460,12 @@ sub prepareguest_part_xencfg ($$$$$) {
     my ($ho, $gho, $ram_mb, $xopts, $cfgrest) = @_;
     my $onreboot= $xopts->{OnReboot} || 'restart';
     my $vcpus= guest_var($gho, 'vcpus', $xopts->{DefVcpus} || 2);
+    my $memory= guest_var($gho, 'memory', $xopts->{DefMem} || $ram_mb);
     my $xoptcfg= $xopts->{ExtraConfig};
     $xoptcfg='' unless defined $xoptcfg;
     my $xencfg= <<END;
 name        = '$gho->{Name}'
-memory = ${ram_mb}
+memory = ${memory}
 vif         = [ 'type=ioemu,mac=$gho->{Ether}' ]
 #
 on_poweroff = 'destroy'
diff --git a/ts-debian-fixup b/ts-debian-fixup
index f001418..f85b06d 100755
--- a/ts-debian-fixup
+++ b/ts-debian-fixup
@@ -113,10 +113,13 @@ sub setcfg ($$) {
 
 sub otherfixupcfg () {
     my $vcpus= guest_var($gho,'vcpus',1);
+    my $ram_mb= guest_var($gho,'memory',512);
     $cfg =~ s/^dhcp/#$&/mg;
     $cfg =~ s/^on_crash.*/on_crash='preserve'/mg;
     $cfg =~ s/^vcpus.*//mg;
     $cfg .= "\nvcpus = $vcpus\n";
+    $cfg =~ s/^memory.*//mg;
+    $cfg .= "\nmemory = $ram_mb\n";
 
     # PCI passthrough
     # Look for runvars   <gn>_pcipassthrough_<devtype>=<hostident>


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