MAP_ALIGNED flag support (NetBSD). (#196)
Possibility to align the page for huge page setting.
diff --git a/rpmalloc/rpmalloc.c b/rpmalloc/rpmalloc.c
index 99de2f2..975b341 100644
--- a/rpmalloc/rpmalloc.c
+++ b/rpmalloc/rpmalloc.c
@@ -810,6 +810,9 @@
void* ptr = mmap(0, size + padding, PROT_READ | PROT_WRITE, flags, fd, 0);
# elif defined(MAP_HUGETLB)
void* ptr = mmap(0, size + padding, PROT_READ | PROT_WRITE, (_memory_huge_pages ? MAP_HUGETLB : 0) | flags, -1, 0);
+# elif defined(MAP_ALIGNED)
+ const size_t align = (sizeof(size_t) * 8) - (size_t)(__builtin_clzl(size - 1));
+ void* ptr = mmap(0, size + padding, PROT_READ | PROT_WRITE, (_memory_huge_pages ? MAP_ALIGNED(align) : 0) | flags, -1, 0);
# elif defined(MAP_ALIGN)
caddr_t base = (_memory_huge_pages ? (caddr_t)(4 << 20) : 0);
void* ptr = mmap(base, size + padding, PROT_READ | PROT_WRITE, (_memory_huge_pages ? MAP_ALIGN : 0) | flags, -1, 0);
@@ -2537,7 +2540,7 @@
_memory_page_size = 2 * 1024 * 1024;
_memory_map_granularity = _memory_page_size;
}
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) || defined(__NetBSD__)
_memory_huge_pages = 1;
_memory_page_size = 2 * 1024 * 1024;
_memory_map_granularity = _memory_page_size;
