fscache_retrieval_delay_histogram 17 fs/fscache/histogram.c atomic_t fscache_retrieval_delay_histogram[HZ]; fscache_retrieval_delay_histogram 40 fs/fscache/histogram.c n[3] = atomic_read(&fscache_retrieval_delay_histogram[index]); fscache_retrieval_delay_histogram 72 fs/fscache/internal.h extern atomic_t fscache_retrieval_delay_histogram[HZ]; fscache_retrieval_delay_histogram 365 fs/fscache/page.c fscache_hist(fscache_retrieval_delay_histogram, jif);