On Wed 04-07-18 09:44:14, Geert Uytterhoeven wrote: [...] > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 0 at mm/memblock.c:230 > memblock_find_in_range_node+0x11c/0x1be > memblock: bottom-up allocation failed, memory hotunplug may be affected This only means that hotplugable memory might contain non-movable memory now. But does your system even support memory hotplug. I would be really surprised. So I guess we just want this instead diff --git a/mm/memblock.c b/mm/memblock.c index cc16d70b8333..c0dde95593fd 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -228,7 +228,8 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t size, * so we use WARN_ONCE() here to see the stack trace if * fail happens. */ - WARN_ONCE(1, "memblock: bottom-up allocation failed, memory hotunplug may be affected\n"); + WARN_ONCE(IS_ENABLED(CONFIG_MEMORY_HOTREMOVE), + "memblock: bottom-up allocvation failed, memory hotunplug may be affected\n"); } return __memblock_find_range_top_down(start, end, size, align, nid, -- Michal Hocko SUSE Labs
