267 }
268
269 void ZPhysicalMemoryManager::map_view(const ZPhysicalMemory& pmem, uintptr_t addr) const {
270 const size_t nsegments = pmem.nsegments();
271 size_t size = 0;
272
273 // Map segments
274 for (size_t i = 0; i < nsegments; i++) {
275 const ZPhysicalMemorySegment& segment = pmem.segment(i);
276 _backing.map(addr + size, segment.size(), segment.start());
277 size += segment.size();
278 }
279
280 // Setup NUMA interleaving for large pages
281 if (ZNUMA::is_enabled() && ZLargePages::is_explicit()) {
282 // To get granule-level NUMA interleaving when using large pages,
283 // we simply let the kernel interleave the memory for us at page
284 // fault time.
285 os::numa_make_global((char*)addr, size);
286 }
287
288 // Setup transparent large pages
289 if (ZLargePages::is_transparent()) {
290 os::realign_memory((char*)addr, size, os::large_page_size());
291 }
292 }
293
294 void ZPhysicalMemoryManager::unmap_view(const ZPhysicalMemory& pmem, uintptr_t addr) const {
295 _backing.unmap(addr, pmem.size());
296 }
297
298 void ZPhysicalMemoryManager::pretouch(uintptr_t offset, size_t size) const {
299 if (ZVerifyViews) {
300 // Pre-touch good view
301 pretouch_view(ZAddress::good(offset), size);
302 } else {
303 // Pre-touch all views
304 pretouch_view(ZAddress::marked0(offset), size);
305 pretouch_view(ZAddress::marked1(offset), size);
306 pretouch_view(ZAddress::remapped(offset), size);
307 }
308 }
309
310 void ZPhysicalMemoryManager::map(const ZPhysicalMemory& pmem, uintptr_t offset) const {
311 if (ZVerifyViews) {
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267 }
268
269 void ZPhysicalMemoryManager::map_view(const ZPhysicalMemory& pmem, uintptr_t addr) const {
270 const size_t nsegments = pmem.nsegments();
271 size_t size = 0;
272
273 // Map segments
274 for (size_t i = 0; i < nsegments; i++) {
275 const ZPhysicalMemorySegment& segment = pmem.segment(i);
276 _backing.map(addr + size, segment.size(), segment.start());
277 size += segment.size();
278 }
279
280 // Setup NUMA interleaving for large pages
281 if (ZNUMA::is_enabled() && ZLargePages::is_explicit()) {
282 // To get granule-level NUMA interleaving when using large pages,
283 // we simply let the kernel interleave the memory for us at page
284 // fault time.
285 os::numa_make_global((char*)addr, size);
286 }
287 }
288
289 void ZPhysicalMemoryManager::unmap_view(const ZPhysicalMemory& pmem, uintptr_t addr) const {
290 _backing.unmap(addr, pmem.size());
291 }
292
293 void ZPhysicalMemoryManager::pretouch(uintptr_t offset, size_t size) const {
294 if (ZVerifyViews) {
295 // Pre-touch good view
296 pretouch_view(ZAddress::good(offset), size);
297 } else {
298 // Pre-touch all views
299 pretouch_view(ZAddress::marked0(offset), size);
300 pretouch_view(ZAddress::marked1(offset), size);
301 pretouch_view(ZAddress::remapped(offset), size);
302 }
303 }
304
305 void ZPhysicalMemoryManager::map(const ZPhysicalMemory& pmem, uintptr_t offset) const {
306 if (ZVerifyViews) {
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