From 427c40440018457f960182c44af91c4e613bcf7f Mon Sep 17 00:00:00 2001 From: Igor Veresov Date: Fri, 5 Aug 2011 16:44:01 -0700 Subject: [PATCH] 7060842: UseNUMA crash with UseHugreTLBFS running SPECjvm2008 Use mmap() instead of madvise(MADV_DONTNEED) to uncommit pages Reviewed-by: ysr --- hotspot/src/os/linux/vm/os_linux.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hotspot/src/os/linux/vm/os_linux.cpp b/hotspot/src/os/linux/vm/os_linux.cpp index 09285a39adf..7c7e407ce88 100644 --- a/hotspot/src/os/linux/vm/os_linux.cpp +++ b/hotspot/src/os/linux/vm/os_linux.cpp @@ -2534,7 +2534,7 @@ void os::realign_memory(char *addr, size_t bytes, size_t alignment_hint) { } void os::free_memory(char *addr, size_t bytes) { - ::madvise(addr, bytes, MADV_DONTNEED); + commit_memory(addr, bytes, false); } void os::numa_make_global(char *addr, size_t bytes) {