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Yeah, SLAB_MATCH(flags, flags) checks for that. Ideally, we might want to use the same type for the shared part and different types for struct specific fields. But that would fiddle with struct variable bit width. Something like typedef struct { unsigned long loc : SECTIONS_WIDTH + NODES_WIDTH + ZONES_WIDTH + ...; union { folio_flags_t folio_flags : FOLIO_FLAGS_WIDTH; slab_flags_t slab_flags : SLAB_FLAGS_WIDTH; ... }; } memdesc_flags_t; Hmm, seems very complicated. Never mind. ;) > > Signed-off-by: Matthew Wilcox (Oracle) > --- > mm/slab.h | 2 +- > mm/slub.c | 18 +++++++++--------- > 2 files changed, 10 insertions(+), 10 deletions(-) > Reviewed-by: Zi Yan -- Best Regards, Yan, Zi