Multi-gen LRU: fix can_swap in lru_gen_look_around()

walk->can_swap might be invalid since it's not guaranteed to be
initialized for the particular lruvec.  Instead deduce it from the folio
type (anon/file).

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 018ee47f1489 ("mm: multi-gen LRU: exploit locality in rmap")
Signed-off-by: Kalesh Singh <[email protected]>
Tested-by: AngeloGioacchino Del Regno <[email protected]> [mediatek]
Tested-by: Charan Teja Kalla <[email protected]>
Cc: Yu Zhao <[email protected]>
Cc: Aneesh Kumar K V <[email protected]>
Cc: Barry Song <[email protected]>
Cc: Brian Geffon <[email protected]>
Cc: Jan Alexander Steffens (heftig) <[email protected]>
Cc: Lecopzer Chen <[email protected]>
Cc: Matthias Brugger <[email protected]>
Cc: Oleksandr Natalenko <[email protected]>
Cc: Qi Zheng <[email protected]>
Cc: Steven Barrett <[email protected]>
Cc: Suleiman Souhlal <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions