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Commit 6cb9c369 authored by Dave Kleikamp's avatar Dave Kleikamp Committed by David S. Miller
Browse files

sparc: huge_ptep_set_* functions need to call set_huge_pte_at() 



Modifying the huge pte's requires that all the underlying pte's be
modified.

Version 2: added missing flush_tlb_page()

Signed-off-by: default avatarDave Kleikamp <dave.kleikamp@oracle.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 31564cbd

arch/sparc/include/asm/hugetlb.h

+8 −2
Original line number Diff line number Diff line
@@ -61,14 +61,20 @@ static inline pte_t huge_pte_wrprotect(pte_t pte) 
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,

					   unsigned long addr, pte_t *ptep)

{

	ptep_set_wrprotect(mm, addr, ptep);

	pte_t old_pte = *ptep;

	set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));

}



static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,

					     unsigned long addr, 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_huge_pte_at(vma->vm_mm, addr, ptep, pte);

		flush_tlb_page(vma, addr);

	}

	return changed;

}



static inline pte_t huge_ptep_get(pte_t *ptep)