From ae3ff0f57057c2b4b30e790f71e67ffd8c297103 Mon Sep 17 00:00:00 2001
From: XMRig <support@xmrig.com>
Date: Sat, 1 Aug 2020 12:30:02 +0700
Subject: [PATCH] Fixed RandomX cache initialization if 1GB pages fails to
 allocate on a first NUMA node.

---
 src/crypto/rx/RxNUMAStorage.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/crypto/rx/RxNUMAStorage.cpp b/src/crypto/rx/RxNUMAStorage.cpp
index 01164f64..09a0fd37 100644
--- a/src/crypto/rx/RxNUMAStorage.cpp
+++ b/src/crypto/rx/RxNUMAStorage.cpp
@@ -176,10 +176,16 @@ public:
 
     inline void initDatasets(uint32_t threads, int priority)
     {
-        uint64_t ts  = Chrono::steadyMSecs();
-        auto id      = m_nodeset.front();
-        auto primary = dataset(id);
+        uint64_t ts = Chrono::steadyMSecs();
+        uint32_t id = 0;
 
+        for (const auto &kv : m_datasets) {
+            if (kv.second->cache()) {
+                id = kv.first;
+            }
+        }
+
+        auto primary = dataset(id);
         primary->init(m_seed.data(), threads, priority);
 
         printDatasetReady(id, ts);