fscache_ops_histogram 16 fs/fscache/histogram.c atomic_t fscache_ops_histogram[HZ]; fscache_ops_histogram 38 fs/fscache/histogram.c n[1] = atomic_read(&fscache_ops_histogram[index]); fscache_ops_histogram 71 fs/fscache/internal.h extern atomic_t fscache_ops_histogram[HZ]; fscache_ops_histogram 629 fs/fscache/operation.c fscache_hist(fscache_ops_histogram, start);