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Diffstat (limited to 'arch/mips/include/asm/hugetlb.h')
-rw-r--r--arch/mips/include/asm/hugetlb.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index f5e85601532..fe0d15d3266 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -10,6 +10,7 @@
#define __ASM_HUGETLB_H
#include <asm/page.h>
+#include <asm-generic/hugetlb.h>
static inline int is_hugepage_only_range(struct mm_struct *mm,
@@ -70,6 +71,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
+ flush_tlb_page(vma, addr & huge_page_mask(hstate_vma(vma)));
}
static inline int huge_pte_none(pte_t pte)
@@ -94,7 +96,17 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
pte_t *ptep, pte_t pte,
int dirty)
{
- return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+ int changed = !pte_same(*ptep, pte);
+
+ if (changed) {
+ set_pte_at(vma->vm_mm, addr, ptep, pte);
+ /*
+ * There could be some standard sized pages in there,
+ * get them all.
+ */
+ flush_tlb_range(vma, addr, addr + HPAGE_SIZE);
+ }
+ return changed;
}
static inline pte_t huge_ptep_get(pte_t *ptep)
@@ -111,4 +123,8 @@ static inline void arch_release_hugepage(struct page *page)
{
}
+static inline void arch_clear_hugepage_flags(struct page *page)
+{
+}
+
#endif /* __ASM_HUGETLB_H */