From: Stefan Agner Date: Thu, 5 Apr 2018 23:25:38 +0000 (-0700) Subject: mm/memblock.c: cast constant ULLONG_MAX to phys_addr_t X-Git-Tag: v4.19~1277^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=644d87dccdc69cf79834a72ed0c889580d6af32a;p=platform%2Fkernel%2Flinux-rpi.git mm/memblock.c: cast constant ULLONG_MAX to phys_addr_t 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) ^~~~~ Link: http://lkml.kernel.org/r/20180319005645.29051-1-stefan@agner.ch Signed-off-by: Stefan Agner Reviewed-by: Andrew Morton Cc: Michal Hocko Cc: Catalin Marinas Cc: Pavel Tatashin Cc: Ard Biesheuvel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/memblock.c b/mm/memblock.c index ecc6cb5..9b04568 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -925,7 +925,7 @@ 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, @@ -1041,7 +1041,7 @@ 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