v3.19.3

malloc-huge.h

@@ -0,0 +1,24 @@
+#if !(defined(MALLOC_HUGE__))
+#define MALLOC_HUGE__
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef __unix__
+#include <sys/mman.h>
+#endif
+
+#if defined(MAP_HUGETLB)
+
+// Minimum block size 6 MiB to use huge pages
+#define HUGEPAGE_MIN_ALLOC    (6 * 1024 * 1024)
+
+#endif
+
+// Attempt to allocate memory backed by 2 MiB pages, returns NULL on failure.
+void *malloc_hugepages( size_t size );
+
+#endif
+