From a8d623eefd780288c0299f517da0845da687fbfc Mon Sep 17 00:00:00 2001 From: Punit Agrawal Date: Tue, 22 Aug 2017 11:42:47 +0100 Subject: arm64: hugetlb: Override set_huge_swap_pte_at() to support contiguous hugepages 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 Cc: David Woods Signed-off-by: Catalin Marinas --- arch/arm64/mm/hugetlbpage.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/arm64/mm') diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 035c121c675b..76915b736b17 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -188,6 +188,18 @@ 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) { -- cgit v1.2.3-59-g8ed1b