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author | James Morris <james.morris@microsoft.com> | 2018-03-23 08:26:16 +1100 |
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committer | James Morris <james.morris@microsoft.com> | 2018-03-23 08:26:16 +1100 |
commit | 5893ed18a26d1f56b97c0290b0cbbc2d49d6de28 (patch) | |
tree | 97aa931519fca28a0a12fad7485347198f8267cc /arch/sparc/mm/tlb.c | |
parent | 7bd698b3c04e61ee9e03d4c2a55003f75df14dca (diff) | |
parent | c698ca5278934c0ae32297a8725ced2e27585d7f (diff) | |
download | linux-5893ed18a26d1f56b97c0290b0cbbc2d49d6de28.tar.bz2 |
Merge tag 'v4.16-rc6' into next-general
Merge to Linux 4.16-rc6 at the request of Jarkko, for his TPM updates.
Diffstat (limited to 'arch/sparc/mm/tlb.c')
-rw-r--r-- | arch/sparc/mm/tlb.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index 847ddffbf38a..b5cfab711651 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -163,13 +163,10 @@ static void tlb_batch_pmd_scan(struct mm_struct *mm, unsigned long vaddr, pte_unmap(pte); } -void set_pmd_at(struct mm_struct *mm, unsigned long addr, - pmd_t *pmdp, pmd_t pmd) -{ - pmd_t orig = *pmdp; - - *pmdp = pmd; +static void __set_pmd_acct(struct mm_struct *mm, unsigned long addr, + pmd_t orig, pmd_t pmd) +{ if (mm == &init_mm) return; @@ -219,6 +216,15 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, } } +void set_pmd_at(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp, pmd_t pmd) +{ + pmd_t orig = *pmdp; + + *pmdp = pmd; + __set_pmd_acct(mm, addr, orig, pmd); +} + static inline pmd_t pmdp_establish(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp, pmd_t pmd) { @@ -227,6 +233,7 @@ static inline pmd_t pmdp_establish(struct vm_area_struct *vma, do { old = *pmdp; } while (cmpxchg64(&pmdp->pmd, old.pmd, pmd.pmd) != old.pmd); + __set_pmd_acct(vma->vm_mm, address, old, pmd); return old; } |