On Thu, Jun 09, 2022 at 10:45:56AM +0200, Michal Hocko wrote: > On Thu 09-06-22 12:03:42, Muchun Song wrote: > > "numa_stat" should not be included in the scope of CONFIG_HUGETLB_PAGE, > > if CONFIG_HUGETLB_PAGE is not configured even if CONFIG_NUMA is configured, > > "numa_stat" is missed form /proc. Remove it out of CONFIG_HUGETLB_PAGE > > and move numa_stat sysctl handling to mm/vmstat.c. > > > > Fixes: 4518085e127d ("mm, sysctl: make NUMA stats configurable") > > Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > > Cc: <stable@xxxxxxxxxxxxxxx> > > It really looks like numa_stat is misplaced but I am wondering why the > fix cannot be as simple as > Your changes LGTM. I think I have overdone it. I really should seprate this into two separate patches, one is bug fix (just like your changes), another is simplify the code further. I'll rework this patch. Thanks.