Commit a8d623ee authored by Punit Agrawal's avatar Punit Agrawal Committed by Catalin Marinas

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: default avatarPunit Agrawal <punit.agrawal@arm.com>
Cc: David Woods <dwoods@mellanox.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent c3e4ed5c
...@@ -84,6 +84,9 @@ extern void huge_ptep_clear_flush(struct vm_area_struct *vma, ...@@ -84,6 +84,9 @@ extern void huge_ptep_clear_flush(struct vm_area_struct *vma,
extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr, extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, unsigned long sz); pte_t *ptep, unsigned long sz);
#define huge_pte_clear huge_pte_clear #define huge_pte_clear huge_pte_clear
extern void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte, unsigned long sz);
#define set_huge_swap_pte_at set_huge_swap_pte_at
#include <asm-generic/hugetlb.h> #include <asm-generic/hugetlb.h>
......
...@@ -188,6 +188,18 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, ...@@ -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, pte_t *huge_pte_alloc(struct mm_struct *mm,
unsigned long addr, unsigned long sz) unsigned long addr, unsigned long sz)
{ {
......
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