diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-11-28 11:47:02 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-11-28 22:44:33 +1100 |
| commit | b3603e174fc81598e8b060d5e9aafe19ee6e65cf (patch) | |
| tree | c88370d7804b2a874ccc1bae4dd95d58d07174da /arch/powerpc/include/asm/nohash | |
| parent | 6d3a0379ebdc8e35662343f5359ac4589b79aec2 (diff) | |
powerpc/mm: update radix__ptep_set_access_flag to not do full mm tlb flush
When we are updating a pte, we just need to flush the tlb mapping
that pte. Right now we do a full mm flush because we don't track the page
size. Now that we have page size details in pte use that to do the
optimized flush
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/nohash')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/pgtable.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/nohash/64/pgtable.h | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index c219ef7be53b..65073fbc6707 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -268,7 +268,8 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, static inline void __ptep_set_access_flags(struct mm_struct *mm, - pte_t *ptep, pte_t entry) + pte_t *ptep, pte_t entry, + unsigned long address) { unsigned long set = pte_val(entry) & (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC); diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index e9e540a804fc..53a41b06a7b9 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -289,7 +289,8 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, * function doesn't need to flush the hash entry */ static inline void __ptep_set_access_flags(struct mm_struct *mm, - pte_t *ptep, pte_t entry) + pte_t *ptep, pte_t entry, + unsigned long address) { unsigned long bits = pte_val(entry) & (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC); |