[PATCH v3 09/11] arm64: hugetlb: Override set_huge_swap_pte_at() to support contiguous hugepages
From: Punit Agrawal <hidden>
Date: 2017-05-22 14:39:56
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
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 <redacted> Cc: David Woods <redacted> --- arch/arm64/mm/hugetlbpage.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 240b2fd53266..3e78673b1bcb 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c@@ -167,6 +167,18 @@ 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) +{ + int i, ncontig; + size_t pgsize; + + ncontig = num_contig_ptes(sz, &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