diff options
| -rw-r--r-- | arch/powerpc/include/asm/machdep.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/mm/mem.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-memory.c | 21 |
3 files changed, 12 insertions, 27 deletions
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 4a6511f94258..15c9150a58cc 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -291,10 +291,6 @@ struct machdep_calls { #ifdef CONFIG_ARCH_RANDOM int (*get_random_long)(unsigned long *v); #endif - -#ifdef CONFIG_MEMORY_HOTREMOVE - int (*remove_memory)(u64, u64); -#endif }; extern void e500_idle(void); diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 8ebaac75c940..2add0b7b9f6d 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -35,6 +35,7 @@ #include <linux/memblock.h> #include <linux/hugetlb.h> #include <linux/slab.h> +#include <linux/vmalloc.h> #include <asm/pgalloc.h> #include <asm/prom.h> @@ -144,8 +145,17 @@ int arch_remove_memory(u64 start, u64 size) zone = page_zone(pfn_to_page(start_pfn)); ret = __remove_pages(zone, start_pfn, nr_pages); - if (!ret && (ppc_md.remove_memory)) - ret = ppc_md.remove_memory(start, size); + if (ret) + return ret; + + /* Remove htab bolted mappings for this section of memory */ + start = (unsigned long)__va(start); + ret = remove_section_mapping(start, start + size); + + /* Ensure all vmalloc mappings are flushed in case they also + * hit that section of memory + */ + vm_unmap_aliases(); return ret; } diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 3c4c0dcd90d3..3cb256c2138e 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -12,7 +12,6 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/memblock.h> -#include <linux/vmalloc.h> #include <linux/memory.h> #include <linux/memory_hotplug.h> @@ -66,22 +65,6 @@ unsigned long pseries_memory_block_size(void) } #ifdef CONFIG_MEMORY_HOTREMOVE -static int pseries_remove_memory(u64 start, u64 size) -{ - int ret; - - /* Remove htab bolted mappings for this section of memory */ - start = (unsigned long)__va(start); - ret = remove_section_mapping(start, start + size); - - /* Ensure all vmalloc mappings are flushed in case they also - * hit that section of memory - */ - vm_unmap_aliases(); - - return ret; -} - static int pseries_remove_memblock(unsigned long base, unsigned int memblock_size) { unsigned long block_sz, start_pfn; @@ -262,10 +245,6 @@ static int __init pseries_memory_hotplug_init(void) if (firmware_has_feature(FW_FEATURE_LPAR)) of_reconfig_notifier_register(&pseries_mem_nb); -#ifdef CONFIG_MEMORY_HOTREMOVE - ppc_md.remove_memory = pseries_remove_memory; -#endif - return 0; } machine_device_initcall(pseries, pseries_memory_hotplug_init); |