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charset="utf-8" From: Chuanhua Han should_try_to_free_swap() works with an assumption that swap-in is always d= one at normal page granularity, aka, folio_nr_pages =3D 1. To support large fol= io swap-in, this patch removes the assumption. Signed-off-by: Chuanhua Han Co-developed-by: Barry Song Signed-off-by: Barry Song Acked-by: Chris Li --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory.c b/mm/memory.c index 319b3be05e75..90b08b7cbaac 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3904,7 +3904,7 @@ static inline bool should_try_to_free_swap(struct fol= io *folio, * reference only in case it's likely that we'll be the exlusive user. */ return (fault_flags & FAULT_FLAG_WRITE) && !folio_test_ksm(folio) && - folio_ref_count(folio) =3D=3D 2; + folio_ref_count(folio) =3D=3D (1 + folio_nr_pages(folio)); } =20 static vm_fault_t pte_marker_clear(struct vm_fault *vmf) --=20 2.34.1