Symbol: MTHP_STAT_ZSWPOUT
mm/huge_memory.c
707
DEFINE_MTHP_STAT_ATTR(zswpout, MTHP_STAT_ZSWPOUT);
mm/page_io.c
286
count_mthp_stat(folio_order(folio), MTHP_STAT_ZSWPOUT);