diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/mmu_context_nohash.c | 12 | ||||
| -rw-r--r-- | arch/powerpc/mm/numa.c | 26 |
3 files changed, 33 insertions, 7 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 5e9584405c45..a5991facddce 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -1070,7 +1070,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, unsigned long access, unsigned long trap) { unsigned long vsid; - void *pgdir; + pgd_t *pgdir; pte_t *ptep; unsigned long flags; int rc, ssize, local = 0; diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index 5ce99848d91e..c0aab52da3a5 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c @@ -111,8 +111,8 @@ static unsigned int steal_context_smp(unsigned int id) * a core map instead but this will do for now. */ for_each_cpu(cpu, mm_cpumask(mm)) { - for (i = cpu_first_thread_in_core(cpu); - i <= cpu_last_thread_in_core(cpu); i++) + for (i = cpu_first_thread_sibling(cpu); + i <= cpu_last_thread_sibling(cpu); i++) __set_bit(id, stale_map[i]); cpu = i - 1; } @@ -264,14 +264,14 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next) */ if (test_bit(id, stale_map[cpu])) { pr_hardcont(" | stale flush %d [%d..%d]", - id, cpu_first_thread_in_core(cpu), - cpu_last_thread_in_core(cpu)); + id, cpu_first_thread_sibling(cpu), + cpu_last_thread_sibling(cpu)); local_flush_tlb_mm(next); /* XXX This clear should ultimately be part of local_flush_tlb_mm */ - for (i = cpu_first_thread_in_core(cpu); - i <= cpu_last_thread_in_core(cpu); i++) { + for (i = cpu_first_thread_sibling(cpu); + i <= cpu_last_thread_sibling(cpu); i++) { __clear_bit(id, stale_map[i]); } } diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 74505b245374..8c0944c465f6 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1247,4 +1247,30 @@ int hot_add_scn_to_nid(unsigned long scn_addr) return nid; } +static u64 hot_add_drconf_memory_max(void) +{ + struct device_node *memory = NULL; + unsigned int drconf_cell_cnt = 0; + u64 lmb_size = 0; + const u32 *dm = 0; + + memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory"); + if (memory) { + drconf_cell_cnt = of_get_drconf_memory(memory, &dm); + lmb_size = of_get_lmb_size(memory); + of_node_put(memory); + } + return lmb_size * drconf_cell_cnt; +} + +/* + * memory_hotplug_max - return max address of memory that may be added + * + * This is currently only used on systems that support drconfig memory + * hotplug. + */ +u64 memory_hotplug_max(void) +{ + return max(hot_add_drconf_memory_max(), memblock_end_of_DRAM()); +} #endif /* CONFIG_MEMORY_HOTPLUG */ |