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Some mmap(2) flags are Linux-specific but otherwise not required
core/os_interface/linux/os_memory_linux.cpp:17:83: error:
use of undeclared identifier 'MAP_NORESERVE'
return mmapWrapper(0, sizeToReserve, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_...
^
core/os_interface/linux/os_memory_linux.cpp:17:99: error:
use of undeclared identifier 'MAP_HUGETLB'
...mmapWrapper(0, sizeToReserve, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_HUGETLB, -1...
^
--- core/os_interface/linux/os_memory_linux.cpp.orig 2019-11-22 15:41:47 UTC
+++ core/os_interface/linux/os_memory_linux.cpp
@@ -7,6 +7,17 @@
#include "core/os_interface/linux/os_memory_linux.h"
+#ifdef MAP_ALIGNED_SUPER
+#define MAP_HUGETLB MAP_ALIGNED_SUPER // FreeBSD
+#endif
+
+#ifndef MAP_NORESERVE
+#define MAP_NORESERVE 0
+#endif
+#ifndef MAP_HUGETLB
+#define MAP_HUGETLB 0
+#endif
+
namespace NEO {
std::unique_ptr<OSMemory> OSMemory::create() {
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