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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2018-05-29 19:58:40 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 20:40:34 +1000 |
| commit | e4c1112c3fc503fc78379fa61450bfda3f0717fe (patch) | |
| tree | 09f61eb153a47682832fadd78a6fd4e9b265d123 /arch/powerpc/mm | |
| parent | powerpc/mm/radix: Move function from radix.h to pgtable-radix.c (diff) | |
| download | linux-dev-e4c1112c3fc503fc78379fa61450bfda3f0717fe.tar.xz linux-dev-e4c1112c3fc503fc78379fa61450bfda3f0717fe.zip | |
powerpc/mm: Change function prototype
In later patch, we use the vma and psize to do tlb flush. Do the prototype
update in separate patch to make the review easy.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/pgtable-book3s64.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable-radix.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable.c | 18 |
3 files changed, 24 insertions, 8 deletions
diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c index abda2b92f1ba..4a8150481a88 100644 --- a/arch/powerpc/mm/pgtable-book3s64.c +++ b/arch/powerpc/mm/pgtable-book3s64.c @@ -46,8 +46,12 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address, #endif changed = !pmd_same(*(pmdp), entry); if (changed) { - __ptep_set_access_flags(vma->vm_mm, pmdp_ptep(pmdp), - pmd_pte(entry), address); + /* + * We can use MMU_PAGE_2M here, because only radix + * path look at the psize. + */ + __ptep_set_access_flags(vma, pmdp_ptep(pmdp), + pmd_pte(entry), address, MMU_PAGE_2M); flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE); } return changed; diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index a6eec41dd347..2034cbc9aa56 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -1085,10 +1085,10 @@ int radix__has_transparent_hugepage(void) } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ -void radix__ptep_set_access_flags(struct mm_struct *mm, - pte_t *ptep, pte_t entry, - unsigned long address) +void radix__ptep_set_access_flags(struct vm_area_struct *vma, pte_t *ptep, + pte_t entry, unsigned long address, int psize) { + struct mm_struct *mm = vma->vm_mm; unsigned long set = pte_val(entry) & (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC); diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index e70af9939379..20cacd33e5be 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -222,7 +222,8 @@ int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address, changed = !pte_same(*(ptep), entry); if (changed) { assert_pte_locked(vma->vm_mm, address); - __ptep_set_access_flags(vma->vm_mm, ptep, entry, address); + __ptep_set_access_flags(vma, ptep, entry, + address, mmu_virtual_psize); flush_tlb_page(vma, address); } return changed; @@ -242,15 +243,26 @@ extern int huge_ptep_set_access_flags(struct vm_area_struct *vma, ptep_set_access_flags(vma, addr, ptep, pte, dirty); return 1; #else - int changed; + int changed, psize; pte = set_access_flags_filter(pte, vma, dirty); changed = !pte_same(*(ptep), pte); if (changed) { + +#ifdef CONFIG_PPC_BOOK3S_64 + struct hstate *hstate = hstate_file(vma->vm_file); + psize = hstate_get_psize(hstate); +#else + /* + * Not used on non book3s64 platforms. But 8xx + * can possibly use tsize derived from hstate. + */ + psize = 0; +#endif #ifdef CONFIG_DEBUG_VM assert_spin_locked(&vma->vm_mm->page_table_lock); #endif - __ptep_set_access_flags(vma->vm_mm, ptep, pte, addr); + __ptep_set_access_flags(vma, ptep, pte, addr, psize); flush_hugetlb_page(vma, addr); } return changed; |