From 177a9d76f99ce259598f85f99b1d2ecf77a7fdd2 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Sat, 3 Nov 2018 18:32:05 +0000
Subject: wallet: warn if lockable memory limit is too low

---
 src/wallet/wallet_args.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/wallet/wallet_args.cpp')

diff --git a/src/wallet/wallet_args.cpp b/src/wallet/wallet_args.cpp
index 95a4e0ad6..b9d0a6a75 100644
--- a/src/wallet/wallet_args.cpp
+++ b/src/wallet/wallet_args.cpp
@@ -211,6 +211,14 @@ namespace wallet_args
 
     Print(print) << boost::format(wallet_args::tr("Logging to %s")) % log_path;
 
+    const ssize_t lockable_memory = tools::get_lockable_memory();
+    if (lockable_memory >= 0 && lockable_memory < 256 * 4096) // 256 pages -> at least 256 secret keys and other such small/medium objects
+      Print(print) << tr("WARNING: You may not have a high enough lockable memory limit")
+#ifdef ELPP_OS_UNIX
+        << ", " << tr("see ulimit -l")
+#endif
+        ;
+
     return {std::move(vm), should_terminate};
   }
 }
-- 
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