From 7c9b7f4d54d592d69fc030da43bcdff5b52e63cb Mon Sep 17 00:00:00 2001
From: Shravan Narayan <shravanrn@gmail.com>
Date: Tue, 9 Apr 2024 18:28:50 -0500
Subject: [PATCH] Use a tighter sanity check of 16gb max mmap and ensure this
 lines up with comment

---
 src/wasm2c_rt_mem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/wasm2c_rt_mem.c b/src/wasm2c_rt_mem.c
index 1bdf6f7..c13568e 100644
--- a/src/wasm2c_rt_mem.c
+++ b/src/wasm2c_rt_mem.c
@@ -328,8 +328,8 @@ static void* os_mmap(void* hint, size_t size, int prot, int flags)
     /* integer overflow */
     return NULL;
 
-  if (request_size > 16 * (uint64_t)UINT32_MAX)
-    /* At most 16 G is allowed */
+  if (request_size > 4 * (uint64_t)UINT32_MAX)
+    /* Sanity check: At most 16 G is allowed */
     return NULL;
 
   if (prot & MMAP_PROT_READ)