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Diffstat (limited to 'arch/loongarch/include/asm/hugetlb.h')
-rw-r--r--arch/loongarch/include/asm/hugetlb.h25
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/loongarch/include/asm/hugetlb.h b/arch/loongarch/include/asm/hugetlb.h
index aa44b3fe43dd..4dc4b3e04225 100644
--- a/arch/loongarch/include/asm/hugetlb.h
+++ b/arch/loongarch/include/asm/hugetlb.h
@@ -16,12 +16,7 @@ static inline int prepare_hugepage_range(struct file *file,
unsigned long len)
{
unsigned long task_size = STACK_TOP;
- struct hstate *h = hstate_file(file);
- if (len & ~huge_page_mask(h))
- return -EINVAL;
- if (addr & ~huge_page_mask(h))
- return -EINVAL;
if (len > task_size)
return -ENOMEM;
if (task_size - len < addr)
@@ -29,12 +24,23 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
+#define __HAVE_ARCH_HUGE_PTE_CLEAR
+static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, unsigned long sz)
+{
+ pte_t clear;
+
+ pte_val(clear) = (unsigned long)invalid_pte_table;
+ set_pte_at(mm, addr, ptep, clear);
+}
+
#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep)
+ unsigned long addr, pte_t *ptep,
+ unsigned long sz)
{
pte_t clear;
- pte_t pte = *ptep;
+ pte_t pte = ptep_get(ptep);
pte_val(clear) = (unsigned long)invalid_pte_table;
set_pte_at(mm, addr, ptep, clear);
@@ -46,8 +52,9 @@ static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
pte_t pte;
+ unsigned long sz = huge_page_size(hstate_vma(vma));
- pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep);
+ pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep, sz);
flush_tlb_page(vma, addr);
return pte;
}
@@ -65,7 +72,7 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
pte_t *ptep, pte_t pte,
int dirty)
{
- int changed = !pte_same(*ptep, pte);
+ int changed = !pte_same(ptep_get(ptep), pte);
if (changed) {
set_pte_at(vma->vm_mm, addr, ptep, pte);