diff options
Diffstat (limited to 'arch/ia64/mm')
| -rw-r--r-- | arch/ia64/mm/init.c | 36 | ||||
| -rw-r--r-- | arch/ia64/mm/tlb.c | 2 |
2 files changed, 37 insertions, 1 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index e3215ba64ff..b38b6d213c1 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -635,3 +635,39 @@ mem_init (void) ia32_mem_init(); #endif } + +#ifdef CONFIG_MEMORY_HOTPLUG +void online_page(struct page *page) +{ + ClearPageReserved(page); + set_page_count(page, 1); + __free_page(page); + totalram_pages++; + num_physpages++; +} + +int add_memory(u64 start, u64 size) +{ + pg_data_t *pgdat; + struct zone *zone; + unsigned long start_pfn = start >> PAGE_SHIFT; + unsigned long nr_pages = size >> PAGE_SHIFT; + int ret; + + pgdat = NODE_DATA(0); + + zone = pgdat->node_zones + ZONE_NORMAL; + ret = __add_pages(zone, start_pfn, nr_pages); + + if (ret) + printk("%s: Problem encountered in __add_pages() as ret=%d\n", + __FUNCTION__, ret); + + return ret; +} + +int remove_memory(u64 start, u64 size) +{ + return -EINVAL; +} +#endif diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c index 41105d45442..6a4eec9113e 100644 --- a/arch/ia64/mm/tlb.c +++ b/arch/ia64/mm/tlb.c @@ -90,7 +90,7 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start, { static DEFINE_SPINLOCK(ptcg_lock); - if (mm != current->active_mm) { + if (mm != current->active_mm || !current->mm) { flush_tlb_all(); return; } |