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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 23:26:22 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 21:53:53 +1000 |
| commit | a3dece6d69b0ad21b64104dff508c67a1a1f14dd (patch) | |
| tree | 75e42d38f6baafb74291e667fe01435c46a19ce4 /arch/powerpc/mm/mem.c | |
| parent | d6a9996e84ac4beb7713e9485f4563e100a9b03e (diff) | |
| download | linux-a3dece6d69b0ad21b64104dff508c67a1a1f14dd.tar.gz | |
powerpc/radix: Update MMU cache
With radix there is no MMU cache. Hence we don't need to do anything in
update_mmu_cache().
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/mem.c')
| -rw-r--r-- | arch/powerpc/mm/mem.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index ac79dbde1015b..89677884ecc85 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -499,6 +499,8 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, * called with either mm->page_table_lock held or ptl lock held */ unsigned long access = 0, trap; + if (radix_enabled()) + return; /* We only want HPTEs for linux PTEs that have _PAGE_ACCESSED set */ if (!pte_young(*ptep) || address >= TASK_SIZE) |