On Mon, 9 Mar 2020 11:16:10 +0000 bauerchen(陈蒙蒙) <bauerc...@tencent.com> wrote:
> Thanks, in fact,do_touch_pages is called just when vm starts up, but using > init flag and Gonce maybe more elegant ! > if needed,I can submit a new patch ! > thanks very much! it's called from os_mem_prealloc() -> touch_all_pages() which is called at least once per an instance of hotsmem backend. So if several backends are used then it should be called several times. The same applies when a hostmem backend is added during runtime (hotplug)
