run env: add comment for query_total_memory()

This is mainly to explicitly document the unit of its return value.

No functional changes.

Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>

diff --git a/Proxmox/Install/RunEnv.pm b/Proxmox/Install/RunEnv.pm
index c9d788b89690c1642f40160c7898949344e53162..3e810b216731b1c1cd6d387e5059167bd637940a 100644 (file)
--- a/Proxmox/Install/RunEnv.pm
+++ b/Proxmox/Install/RunEnv.pm
@@ -18,6 +18,8 @@ my sub fromjs : prototype($) {
 }
 
 my $mem_total = undef;
+# Returns the system memory size in MiB, and falls back to 512 MiB if it
+# could not be determined.
 sub query_total_memory : prototype() {
     return $mem_total if defined($mem_total);