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/xnu-2782.1.97/tools/tests/perf_index/
H A Dtest_fault_helper.c9 #define MEMSIZE (1L<<30) macro
18 memblock = (char *)mmap(NULL, MEMSIZE, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
22 for(ptr = memblock; ptr<memblock+MEMSIZE; ptr+= pgsz) {
27 retval = mprotect(memblock, MEMSIZE, PROT_READ);
30 retval = mprotect(memblock, MEMSIZE, PROT_READ | PROT_WRITE);
41 long long num_pages = MEMSIZE / pgsz;

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