The default implementation of set_huge_swap_pte_at() does not support
hugepages consisting of contiguous ptes. Override it to add support for
contiguous hugepages.
Signed-off-by: Punit Agrawal <punit.agrawal@xxxxxxx>
Cc: David Woods <dwoods@xxxxxxxxxxxx>
---
arch/arm64/mm/hugetlbpage.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 53bda26c6e8f..6d3857f41b8d 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -143,6 +143,23 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
}
}
+void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, unsigned long sz)
+{
+ size_t pgsize;
+ int i;
+ int ncontig;
+
+ if (sz == PUD_SIZE || sz == PMD_SIZE) {
+ set_pte(ptep, pte);
+ return;
+ }
+
+ ncontig = find_num_contig(mm, addr, ptep, &pgsize);
+ for (i = 0; i < ncontig; i++, ptep++)
+ set_pte(ptep, pte);
+}
+
pte_t *huge_pte_alloc(struct mm_struct *mm,
unsigned long addr, unsigned long sz)
{
--
2.11.0
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