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>
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);
