ptr_cmp 207 tools/perf/builtin-kmem.c static int ptr_cmp(void *, void *); ptr_cmp 241 tools/perf/builtin-kmem.c s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp); ptr_cmp 1428 tools/perf/builtin-kmem.c .cmp = ptr_cmp,