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comparison src/share/vm/gc_implementation/shared/mutableSpace.cpp @ 4734:20bfb6d15a94

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7124829: NUMA: memory leak on Linux with large pages Summary: In os::free_memory() use mmap with the same attributes as for the heap space Reviewed-by: kvn Contributed-by: Aleksey Ignatenko <aleksey.v.ignatenko@intel.com>
author iveresov
date Tue, 27 Dec 2011 16:43:49 -0800
parents f95d63e2154a
children b632e80fc9dc
comparison
equal deleted inserted replaced
4730:7faca6dfa2ed 4734:20bfb6d15a94
49 HeapWord *end = (HeapWord*)round_down((intptr_t) mr.end(), page_size); 49 HeapWord *end = (HeapWord*)round_down((intptr_t) mr.end(), page_size);
50 if (end > start) { 50 if (end > start) {
51 size_t size = pointer_delta(end, start, sizeof(char)); 51 size_t size = pointer_delta(end, start, sizeof(char));
52 if (clear_space) { 52 if (clear_space) {
53 // Prefer page reallocation to migration. 53 // Prefer page reallocation to migration.
54 os::free_memory((char*)start, size); 54 os::free_memory((char*)start, size, page_size);
55 } 55 }
56 os::numa_make_global((char*)start, size); 56 os::numa_make_global((char*)start, size);
57 } 57 }
58 } 58 }
59 } 59 }