realloc_sampling_buffer 305 arch/s390/kernel/perf_cpum_sf.c rc = realloc_sampling_buffer(sfb, num_sdb, GFP_KERNEL); realloc_sampling_buffer 518 arch/s390/kernel/perf_cpum_sf.c rc = realloc_sampling_buffer(sfb, num, GFP_ATOMIC);