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Diffstat (limited to 'arch/powerpc/platforms/ps3/mm.c')
-rw-r--r--arch/powerpc/platforms/ps3/mm.c66
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__);
}
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