JM プロジェクトは、主に Linux 関連のマニュアルページの日本語ページを翻訳・公開しています。
... 2 つの割り当て領域の状態が表示されている。 $ getconf GNU_LIBC_VERSION glibc 2.13 $ ./a.out 1 10000 100 ============ Before allocating blocks ============ <malloc version="1"> <heap nr="0"> <sizes> </sizes> <total type="fast" count="0" size="0"/> <total typ ... size="135168"/> <aspace type="total" size="135168"/> <aspace type="mprotect" size="135168"/> </malloc> ============ After allocating blocks ============ <malloc version="1"> <heap nr="0"> <sizes> </sizes> <total type="fast" count="0" size="0"/> <total typ ... ]) : 0; pthread_t *thr = calloc(numThreads, sizeof(*thr)); if (thr == NULL) errExit("calloc"); printf("============ Before allocating blocks ============\n"); malloc_info(0, stdout); /* Create threads that allocate different amounts of memory */ for (int t ... ... バイトの割り当てを 1000 回実行し、 割り当てたブロックの 2 つに 1 つを解放する。 $ ./a.out 1000 100 2 ============== Before allocating blocks ============== Total non-mmapped bytes (arena): 0 # of free chunks (ordblks): 1 # of free fastbin blocks (smblks): ... l allocated space (uordblks): 0 Total free space (fordblks): 0 Topmost releasable block (keepcost): 0 ============== After allocating blocks ============== Total non-mmapped bytes (arena): 135168 # of free chunks (ordblks): 1 # of free fastbin blocks (smbl ... reeBegin = (argc > 4) ? atoi(argv[4]) : 0; freeEnd = (argc > 5) ? atoi(argv[5]) : numBlocks; printf("============== Before allocating blocks ==============\n"); display_mallinfo(); for (int j = 0; j < numBlocks; j++) { if (numBlocks >= MAX_ALLOCS) { fprint ... ... と。 Normally, malloc () allocates memory from the heap, and adjusts the size of the heap as required, using sbrk (2). When allocating blocks of memory larger than MMAP_THRESHOLD bytes, the glibc malloc () implementation allocates the memory as a private an ... ... と。 Normally, malloc () allocates memory from the heap, and adjusts the size of the heap as required, using sbrk (2). When allocating blocks of memory larger than MMAP_THRESHOLD bytes, the glibc malloc () implementation allocates the memory as a private an ... ... と。 Normally, malloc () allocates memory from the heap, and adjusts the size of the heap as required, using sbrk (2). When allocating blocks of memory larger than MMAP_THRESHOLD bytes, the glibc malloc () implementation allocates the memory as a private an ... ... と。 Normally, malloc () allocates memory from the heap, and adjusts the size of the heap as required, using sbrk (2). When allocating blocks of memory larger than MMAP_THRESHOLD bytes, the glibc malloc () implementation allocates the memory as a private an ... ... と。 Normally, malloc () allocates memory from the heap, and adjusts the size of the heap as required, using sbrk (2). When allocating blocks of memory larger than MMAP_THRESHOLD bytes, the glibc malloc () implementation allocates the memory as a private an ... ... limit should not be raised above 1000, because of the risk of that semop () fails due to kernel memory fragmentation when allocating memory to copy the sops array. SEMVMX semval が取り得る最大値: 実装依存 (32767)。 以下の値に関しては実装依存の制限はない。 ... ... limit should not be raised above 1000, because of the risk of that semop () fails due to kernel memory fragmentation when allocating memory to copy the sops array. SEMVMX semval が取り得る最大値: 実装依存 (32767)。 以下の値に関しては実装依存の制限はない。 ... ... of "allowed" memory depends on the context in which the OOM-killer was called. If it is due to the memory assigned to the allocating task's cpuset being exhausted, the allowed memory represents the set of mems assigned to that cpuset (see cpuset (7)). If ... llocated for the entire 1GB. This 1GB is memory which has been "committed" to by the VM and can be used at any time by the allocating application. With strict overcommit enabled on the system (mode 2 in IR /proc/sys/vm/overcommit_memory ), allocations whic ... 日本語の文書やマニュアルを配布している個人/プロジェクトへのリンクです。