From c38ebffb3dc183fdec834d5ef385ae151091ecd1 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Fri, 16 Jul 2021 11:32:49 +0000
Subject: [PATCH] mandrel: add fallback when memory detection fails (e.g. on
 aarch64).

---
 srcpkgs/mandrel/patches/mem.patch | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 srcpkgs/mandrel/patches/mem.patch

diff --git a/srcpkgs/mandrel/patches/mem.patch b/srcpkgs/mandrel/patches/mem.patch
new file mode 100644
index 00000000000..52b5578f49c
--- /dev/null
+++ b/srcpkgs/mandrel/patches/mem.patch
@@ -0,0 +1,12 @@
+--- a/mandrel-mandrel-21.1.0.0-Final/substratevm/src/com.oracle.svm.driver/src/com/oracle/svm/driver/NativeImage.java
++++ b/mandrel-mandrel-21.1.0.0-Final/substratevm/src/com.oracle.svm.driver/src/com/oracle/svm/driver/NativeImage.java
+@@ -1829,6 +1829,9 @@
+         if (Long.compareUnsigned(memMax, SubstrateOptionsParser.parseLong(maxXmx)) >= 0) {
+             return maxXmx;
+         }
++        if (memMax == 0) {
++            return "2g";
++        }
+         return Long.toUnsignedString(memMax);
+     }
+