diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2017-07-24 14:28:01 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-08-23 22:27:45 +1000 |
| commit | b426e4bd77fa2f03723cc0bada80b00c664f67da (patch) | |
| tree | 23f91e12eb43460dfc9aa0f6d912c88b374d6f7d /arch/powerpc/mm | |
| parent | 058ccc3465d9b8fb34d59ca099a8a7ace1a62cdd (diff) | |
| download | op-kernel-dev-b426e4bd77fa2f03723cc0bada80b00c664f67da.zip op-kernel-dev-b426e4bd77fa2f03723cc0bada80b00c664f67da.tar.gz | |
powerpc/mm: Use mm_is_thread_local() instread of open-coding
We open-code testing for the mm being local to the current CPU
in a few places. Use our existing helper instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable-hash64.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/mm/tlb_hash64.c | 7 |
4 files changed, 6 insertions, 14 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 1c4cd82..67ec2e9 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -1230,7 +1230,6 @@ int hash_page_mm(struct mm_struct *mm, unsigned long ea, unsigned long vsid; pte_t *ptep; unsigned hugeshift; - const struct cpumask *tmp; int rc, user_region = 0; int psize, ssize; @@ -1282,8 +1281,7 @@ int hash_page_mm(struct mm_struct *mm, unsigned long ea, } /* Check CPU locality */ - tmp = cpumask_of(smp_processor_id()); - if (user_region && cpumask_equal(mm_cpumask(mm), tmp)) + if (user_region && mm_is_thread_local(mm)) flags |= HPTE_LOCAL_UPDATE; #ifndef CONFIG_PPC_64K_PAGES @@ -1545,7 +1543,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, #endif /* CONFIG_PPC_64K_PAGES */ /* Is that local to this CPU ? */ - if (cpumask_equal(mm_cpumask(mm), cpumask_of(smp_processor_id()))) + if (mm_is_thread_local(mm)) update_flags |= HPTE_LOCAL_UPDATE; /* Hash it in */ diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 2d4a331e..1571a49 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -275,8 +275,7 @@ static void hugepd_free(struct mmu_gather *tlb, void *hugepte) batchp = &get_cpu_var(hugepd_freelist_cur); if (atomic_read(&tlb->mm->mm_users) < 2 || - cpumask_equal(mm_cpumask(tlb->mm), - cpumask_of(smp_processor_id()))) { + mm_is_thread_local(tlb->mm)) { kmem_cache_free(hugepte_cache, hugepte); put_cpu_var(hugepd_freelist_cur); return; diff --git a/arch/powerpc/mm/pgtable-hash64.c b/arch/powerpc/mm/pgtable-hash64.c index c0a7372..ec27791 100644 --- a/arch/powerpc/mm/pgtable-hash64.c +++ b/arch/powerpc/mm/pgtable-hash64.c @@ -329,7 +329,6 @@ void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr, unsigned int psize; unsigned long vsid; unsigned long flags = 0; - const struct cpumask *tmp; /* get the base page size,vsid and segment size */ #ifdef CONFIG_DEBUG_VM @@ -350,8 +349,7 @@ void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr, ssize = mmu_kernel_ssize; } - tmp = cpumask_of(smp_processor_id()); - if (cpumask_equal(mm_cpumask(mm), tmp)) + if (mm_is_thread_local(mm)) flags |= HPTE_LOCAL_UPDATE; return flush_hash_hugepage(vsid, addr, pmdp, psize, ssize, flags); diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index 71cb274..881ebd5 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -140,13 +140,10 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, */ void __flush_tlb_pending(struct ppc64_tlb_batch *batch) { - const struct cpumask *tmp; - int i, local = 0; + int i, local; i = batch->index; - tmp = cpumask_of(smp_processor_id()); - if (cpumask_equal(mm_cpumask(batch->mm), tmp)) - local = 1; + local = mm_is_thread_local(batch->mm); if (i == 1) flush_hash_page(batch->vpn[0], batch->pte[0], batch->psize, batch->ssize, local); |
