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8058715: stability issues when being launched as an embedded JVM via JNI
authordbuck
Wed, 05 Nov 2014 23:37:17 -0800
changeset 27476 6ac67737d359
parent 27474 2b061fd571eb
child 27477 1b27e73be477
8058715: stability issues when being launched as an embedded JVM via JNI Summary: Use mmap call without MAP_FIXED so we avoid corrupting already allocated memory Reviewed-by: coleenp, dsimms
hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp	Thu Nov 06 01:31:31 2014 +0000
+++ b/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp	Wed Nov 05 23:37:17 2014 -0800
@@ -910,7 +910,7 @@
    */
   char* hint = (char*) (Linux::initial_thread_stack_bottom() -
                         ((StackYellowPages + StackRedPages + 1) * page_size));
-  char* codebuf = os::reserve_memory(page_size, hint);
+  char* codebuf = os::attempt_reserve_memory_at(page_size, hint);
   if ( (codebuf == NULL) || (!os::commit_memory(codebuf, page_size, true)) ) {
     return; // No matter, we tried, best effort.
   }
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