On 3/18/20 7:04 PM, Joe Perches wrote: > On Wed, 2020-03-18 at 14:33 -0700, Randy Dunlap wrote: >> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> >> >> Fix printk format warnings when phys_addr_t is 32 bits, i.e., >> CONFIG_PHYS_ADDR_T_64BIT is not set/enabled. > [] >> ../mm/hugetlb.c:5472:73: note: format string is defined here >> pr_warn("hugetlb_cma: reservation failed: err %d, node %d, [%llu, %llu)", >> ~~~^ > [] >> --- linux-next-20200318.orig/mm/hugetlb.c >> +++ linux-next-20200318/mm/hugetlb.c >> @@ -5469,8 +5469,10 @@ void __init hugetlb_cma_reserve(int orde >> 0, false, >> "hugetlb", &hugetlb_cma[nid]); >> if (res) { >> - pr_warn("hugetlb_cma: reservation failed: err %d, node %d, [%llu, %llu)", >> - res, nid, PFN_PHYS(min_pfn), PFN_PHYS(max_pfn)); >> + phys_addr_t begpa = PFN_PHYS(min_pfn); >> + phys_addr_t endpa = PFN_PHYS(max_pfn); >> + pr_warn("hugetlb_cma: reservation failed: err %d, node %d, [%pap, %pap)", >> + res, nid, &begpa, &endpa); > > You might correct the odd use of an open bracket > then close parenthesis and add a new line too Definitely needs a newline char. I'm fairly sure that the [begin, end) notation is done on purpose, meaning <begin> is included in the range and <end> is not included in the range. > > Perhaps: > pr_warn("%s: reservation failed: err %d, node %d, [%pap, %pap]\n", > __func__, res, nid, &begpa, &endpa); > > thanks. -- ~Randy