On Sun, Mar 15, 2020 at 08:49:13PM +0800, Baoquan He wrote: >On 03/14/20 at 03:10pm, Wei Yang wrote: >> On Wed, Mar 11, 2020 at 09:18:23AM +0800, Baoquan He wrote: >> >In commit f70029bbaacb ("mm, memory_hotplug: drop CONFIG_MOVABLE_NODE"), >> >the dependency on CONFIG_MOVABLE_NODE was removed for N_MEMORY. Before >> >commit f70029bbaacb, CONFIG_HIGHMEM && !CONFIG_MOVABLE_NODE could make >> >(N_MEMORY == N_NORMAL_MEMORY) be true. After commit f70029bbaacb, N_MEMORY >> >doesn't have any chance to be equal to N_NORMAL_MEMORY. So the conditional >> >check in paging_init() doesn't make sense any more. Let's remove it. >> > >> >Signed-off-by: Baoquan He <bhe@xxxxxxxxxx> >> >> The change looks good. While I have one question, we set default value for >> N_HIGH_MEMORY. Why we don't clear this too? > >This is for x86_64 only, there's no node_state for N_HIGH_MEMORY. > Thanks, I see it in arch/x86/Kconfig. -- Wei Yang Help you, Help me