From 31cf575b5d4bd56227f1b77f3ccacc8cadc10177 Mon Sep 17 00:00:00 2001
From: djfinch <djfinch@users.noreply.github.com>
Date: Wed, 24 Jul 2019 22:53:05 +0200
Subject: [PATCH] OSX Hugepage fix. (#250)

---
 src/Mem_unix.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Mem_unix.cpp b/src/Mem_unix.cpp
index 53309406..f042ac05 100644
--- a/src/Mem_unix.cpp
+++ b/src/Mem_unix.cpp
@@ -48,6 +48,7 @@ void Mem::allocate(ScratchPadMem& scratchPadMem, bool useHugePages)
     }
 
 #   if defined(__APPLE__)
+    scratchPadMem.size = std::max(scratchPadMem.size + scratchPadMem.size % MEMORY, static_cast<size_t>(MEMORY));
     scratchPadMem.memory = static_cast<uint8_t*>(mmap(0, scratchPadMem.size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, VM_FLAGS_SUPERPAGE_SIZE_2MB, 0));
 #   elif defined(__FreeBSD__)
     scratchPadMem.memory = static_cast<uint8_t*>(mmap(0, scratchPadMem.size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER | MAP_PREFAULT_READ, -1, 0));