--- a/src/hotspot/os/linux/os_linux.cpp Thu Nov 14 12:38:31 2019 +0000
+++ b/src/hotspot/os/linux/os_linux.cpp Thu Nov 14 12:40:13 2019 +0000
@@ -3007,6 +3007,19 @@
return 0;
}
+int os::numa_get_group_id_for_address(const void* address) {
+ void** pages = const_cast<void**>(&address);
+ int id = -1;
+
+ if (os::Linux::numa_move_pages(0, 1, pages, NULL, &id, 0) == -1) {
+ return -1;
+ }
+ if (id < 0) {
+ return -1;
+ }
+ return id;
+}
+
int os::Linux::get_existing_num_nodes() {
int node;
int highest_node_number = Linux::numa_max_node();
@@ -3135,6 +3148,8 @@
libnuma_v2_dlsym(handle, "numa_get_membind")));
set_numa_get_interleave_mask(CAST_TO_FN_PTR(numa_get_interleave_mask_func_t,
libnuma_v2_dlsym(handle, "numa_get_interleave_mask")));
+ set_numa_move_pages(CAST_TO_FN_PTR(numa_move_pages_func_t,
+ libnuma_dlsym(handle, "numa_move_pages")));
if (numa_available() != -1) {
set_numa_all_nodes((unsigned long*)libnuma_dlsym(handle, "numa_all_nodes"));
@@ -3269,6 +3284,7 @@
os::Linux::numa_distance_func_t os::Linux::_numa_distance;
os::Linux::numa_get_membind_func_t os::Linux::_numa_get_membind;
os::Linux::numa_get_interleave_mask_func_t os::Linux::_numa_get_interleave_mask;
+os::Linux::numa_move_pages_func_t os::Linux::_numa_move_pages;
os::Linux::NumaAllocationPolicy os::Linux::_current_numa_policy;
unsigned long* os::Linux::_numa_all_nodes;
struct bitmask* os::Linux::_numa_all_nodes_ptr;