mm/percpu.c:320: warning: No description found for return value of 'pcpu_check_block_hint'
mm/percpu.c:768: warning: missing initial short description on line:
 * pcpu_block_refresh_hint
mm/percpu.c:320: warning: No description found for return value of 'pcpu_check_block_hint'
mm/percpu.c:768: warning: missing initial short description on line:
 * pcpu_block_refresh_hint