mm/kasan: Convert to struct folio and struct slab

KASAN accesses some slab related struct page fields so we need to
convert it to struct slab. Some places are a bit simplified thanks to
kasan_addr_to_slab() encapsulating the PageSlab flag check through
virt_to_slab().  When resolving object address to either a real slab or
a large kmalloc, use struct folio as the intermediate type for testing
the slab flag to avoid unnecessary implicit compound_head().

[ [email protected]: use struct folio, adjust to differences in previous
  patches ]

Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Vlastimil Babka <[email protected]>
Reviewed-by: Andrey Konovalov <[email protected]>
Reviewed-by: Roman Gushchin <[email protected]>
Tested-by: Hyeongogn Yoo <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Andrey Konovalov <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: <[email protected]>

0 files changed, 0 insertions, 0 deletions