From bbc9d4540b39cd4f96a1720d7cb48c71ee300345 Mon Sep 17 00:00:00 2001
From: kvn <unknown>
Date: Mon, 17 May 2010 11:32:56 -0700
Subject: [PATCH] 6951686: Using large pages on Linux prevents zero based
 compressed oops Summary: Use req_addr when attaching shared memory segment.
 Reviewed-by: twisti

---
 src/os/linux/vm/os_linux.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/os/linux/vm/os_linux.cpp b/src/os/linux/vm/os_linux.cpp
index 4dfcff7b6..07a672d4e 100644
--- a/src/os/linux/vm/os_linux.cpp
+++ b/src/os/linux/vm/os_linux.cpp
@@ -2788,7 +2788,7 @@ char* os::reserve_memory_special(size_t bytes, char* req_addr, bool exec) {
   }
 
   // attach to the region
-  addr = (char*)shmat(shmid, NULL, 0);
+  addr = (char*)shmat(shmid, req_addr, 0);
   int err = errno;
 
   // Remove shmid. If shmat() is successful, the actual shared memory segment
-- 
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