Weizhao Ouyang <o451686892@xxxxxxxxx> writes: > After related migrate page updates, sync up latest migrate_reason to > migrate_reason_names, page_owner use it to parse the page migrate > reason. > > Fixes: d1e153fea2a8 ("mm/gup: migrate pinned pages out of movable zone") > Fixes: 26aa2d199d6f ("mm/migrate: demote pages during reclaim") > Signed-off-by: Weizhao Ouyang <o451686892@xxxxxxxxx> > --- > mm/debug.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/mm/debug.c b/mm/debug.c > index e73fe0a8ec3d..733770b0ed0c 100644 > --- a/mm/debug.c > +++ b/mm/debug.c > @@ -25,6 +25,8 @@ const char *migrate_reason_names[MR_TYPES] = { > "mempolicy_mbind", > "numa_misplaced", > "cma", > + "longterm_pin", > + "demotion", > }; > > const struct trace_print_flags pageflag_names[] = { Good catch! Thanks! Reviewed-by: "Huang, Ying" <ying.huang@xxxxxxxxx> It may be better to use BUILD_BUG_ON() to capture similar issue earlier? Best Regards, Huang, Ying