diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/ps3/mm.c | 66 |
1 files changed, 10 insertions, 56 deletions
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index 05a2bcb6a875..0c9f643d9e2a 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -20,7 +20,6 @@ #include <linux/kernel.h> #include <linux/export.h> -#include <linux/memory_hotplug.h> #include <linux/memblock.h> #include <linux/slab.h> @@ -98,7 +97,7 @@ struct mem_region { * The HV virtual address space (vas) allows for hotplug memory regions. * Memory regions can be created and destroyed in the vas at runtime. * @rm: real mode (bootmem) region - * @r1: hotplug memory region(s) + * @r1: highmem region(s) * * ps3 addresses * virt_addr: a cpu 'translated' effective address @@ -224,10 +223,6 @@ void ps3_mm_vas_destroy(void) } } -/*============================================================================*/ -/* memory hotplug routines */ -/*============================================================================*/ - /** * ps3_mm_region_create - create a memory region in the vas * @r: pointer to a struct mem_region to accept initialized values @@ -328,56 +323,6 @@ zero_region: return result; } -/** - * ps3_mm_add_memory - hot add memory - */ - -static int __init ps3_mm_add_memory(void) -{ - int result; - unsigned long start_addr; - unsigned long start_pfn; - unsigned long nr_pages; - - if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) - return -ENODEV; - - BUG_ON(!mem_init_done); - - if (!map.r1.size) { - DBG("%s:%d: No region 1, not adding memory\n", - __func__, __LINE__); - return 0; - } - - start_addr = map.rm.size; - start_pfn = start_addr >> PAGE_SHIFT; - nr_pages = (map.r1.size + PAGE_SIZE - 1) >> PAGE_SHIFT; - - DBG("%s:%d: start_addr %lxh, start_pfn %lxh, nr_pages %lxh\n", - __func__, __LINE__, start_addr, start_pfn, nr_pages); - - result = add_memory(0, start_addr, map.r1.size); - - if (result) { - pr_err("%s:%d: add_memory failed: (%d)\n", - __func__, __LINE__, result); - return result; - } - - memblock_add(start_addr, map.r1.size); - - result = online_pages(start_pfn, nr_pages); - - if (result) - pr_err("%s:%d: online_pages failed: (%d)\n", - __func__, __LINE__, result); - - return result; -} - -device_initcall(ps3_mm_add_memory); - /*============================================================================*/ /* dma routines */ /*============================================================================*/ @@ -1271,6 +1216,15 @@ void __init ps3_mm_init(void) /* correct map.total for the real total amount of memory we use */ map.total = map.rm.size + map.r1.size; + if (!map.r1.size) { + DBG("%s:%d: No highmem region found\n", __func__, __LINE__); + } else { + DBG("%s:%d: Adding highmem region: %llxh %llxh\n", + __func__, __LINE__, map.rm.size, + map.total - map.rm.size); + memblock_add(map.rm.size, map.total - map.rm.size); + } + DBG(" <- %s:%d\n", __func__, __LINE__); } |