This fixes a warning shown when phys_addr_t is 32-bit int when compiling with clang: mm/memblock.c:927:15: warning: implicit conversion from 'unsigned long long' to 'phys_addr_t' (aka 'unsigned int') changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion] r->base : ULLONG_MAX; ^~~~~~~~~~ ./include/linux/kernel.h:30:21: note: expanded from macro 'ULLONG_MAX' #define ULLONG_MAX (~0ULL) ^~~~~ Signed-off-by: Stefan Agner <stefan@xxxxxxxx> --- mm/memblock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/memblock.c b/mm/memblock.c index b6ba6b7adadc..696829a198ba 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -924,7 +924,7 @@ void __init_memblock __next_mem_range(u64 *idx, int nid, ulong flags, r = &type_b->regions[idx_b]; r_start = idx_b ? r[-1].base + r[-1].size : 0; r_end = idx_b < type_b->cnt ? - r->base : ULLONG_MAX; + r->base : (phys_addr_t)ULLONG_MAX; /* * if idx_b advanced past idx_a, @@ -1040,7 +1040,7 @@ void __init_memblock __next_mem_range_rev(u64 *idx, int nid, ulong flags, r = &type_b->regions[idx_b]; r_start = idx_b ? r[-1].base + r[-1].size : 0; r_end = idx_b < type_b->cnt ? - r->base : ULLONG_MAX; + r->base : (phys_addr_t)ULLONG_MAX; /* * if idx_b advanced past idx_a, * break out to advance idx_a -- 2.16.2