diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-radix.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/mmap.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/mm/mmu_context_book3s64.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/numa.c | 22 | ||||
| -rw-r--r-- | arch/powerpc/mm/slice.c | 2 |
5 files changed, 24 insertions, 8 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c index 6575b9aabef4..a12e86395025 100644 --- a/arch/powerpc/mm/hugetlbpage-radix.c +++ b/arch/powerpc/mm/hugetlbpage-radix.c @@ -68,7 +68,7 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } /* diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c index 9dbd2a733d6b..0ee6be4f1ba4 100644 --- a/arch/powerpc/mm/mmap.c +++ b/arch/powerpc/mm/mmap.c @@ -112,7 +112,7 @@ radix__arch_get_unmapped_area(struct file *filp, unsigned long addr, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -157,7 +157,7 @@ radix__arch_get_unmapped_area_topdown(struct file *filp, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/powerpc/mm/mmu_context_book3s64.c b/arch/powerpc/mm/mmu_context_book3s64.c index c6dca2ae78ef..a3edf813d455 100644 --- a/arch/powerpc/mm/mmu_context_book3s64.c +++ b/arch/powerpc/mm/mmu_context_book3s64.c @@ -99,7 +99,7 @@ static int hash__init_new_context(struct mm_struct *mm) * mm->context.addr_limit. Default to max task size so that we copy the * default values to paca which will help us to handle slb miss early. */ - mm->context.addr_limit = TASK_SIZE_128TB; + mm->context.addr_limit = DEFAULT_MAP_WINDOW_USER64; /* * The old code would re-promote on fork, we don't do that when using diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 371792e4418f..b95c584ce19d 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1311,8 +1311,10 @@ static int update_lookup_table(void *data) /* * Update the node maps and sysfs entries for each cpu whose home node * has changed. Returns 1 when the topology has changed, and 0 otherwise. + * + * cpus_locked says whether we already hold cpu_hotplug_lock. */ -int arch_update_cpu_topology(void) +int numa_update_cpu_topology(bool cpus_locked) { unsigned int cpu, sibling, changed = 0; struct topology_update_data *updates, *ud; @@ -1400,15 +1402,23 @@ int arch_update_cpu_topology(void) if (!cpumask_weight(&updated_cpus)) goto out; - stop_machine(update_cpu_topology, &updates[0], &updated_cpus); + if (cpus_locked) + stop_machine_cpuslocked(update_cpu_topology, &updates[0], + &updated_cpus); + else + stop_machine(update_cpu_topology, &updates[0], &updated_cpus); /* * Update the numa-cpu lookup table with the new mappings, even for * offline CPUs. It is best to perform this update from the stop- * machine context. */ - stop_machine(update_lookup_table, &updates[0], + if (cpus_locked) + stop_machine_cpuslocked(update_lookup_table, &updates[0], cpumask_of(raw_smp_processor_id())); + else + stop_machine(update_lookup_table, &updates[0], + cpumask_of(raw_smp_processor_id())); for (ud = &updates[0]; ud; ud = ud->next) { unregister_cpu_under_node(ud->cpu, ud->old_nid); @@ -1426,6 +1436,12 @@ out: return changed; } +int arch_update_cpu_topology(void) +{ + lockdep_assert_cpus_held(); + return numa_update_cpu_topology(true); +} + static void topology_work_fn(struct work_struct *work) { rebuild_sched_domains(); diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index 966b9fccfa66..45f6740dd407 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -99,7 +99,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr, if ((mm->task_size - len) < addr) return 0; vma = find_vma(mm, addr); - return (!vma || (addr + len) <= vma->vm_start); + return (!vma || (addr + len) <= vm_start_gap(vma)); } static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice) |
