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| author | Jiri Kosina <jkosina@suse.cz> | 2013-03-27 14:02:27 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-03-27 14:02:27 +0100 |
| commit | b3fecf8cab6441527ab057c99d7e6a6d7f6713e5 (patch) | |
| tree | d327499840a25fbd1f81e49d5cb6769bdad382f5 /arch/sh/mm/init.c | |
| parent | 5b62efd8250d6a751c31d1972e96bfccd19c4679 (diff) | |
| parent | 83a44ac8bf4a8e6cbbf0c00ff281a482778f708a (diff) | |
Merge branch 'for-3.10/hid-driver-transport-cleanups' into for-3.10/mt-hybrid-finger-pen
Diffstat (limited to 'arch/sh/mm/init.c')
| -rw-r--r-- | arch/sh/mm/init.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 82cc576fab1..10579403714 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -558,4 +558,21 @@ int memory_add_physaddr_to_nid(u64 addr) EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid); #endif +#ifdef CONFIG_MEMORY_HOTREMOVE +int arch_remove_memory(u64 start, u64 size) +{ + unsigned long start_pfn = start >> PAGE_SHIFT; + unsigned long nr_pages = size >> PAGE_SHIFT; + struct zone *zone; + int ret; + + zone = page_zone(pfn_to_page(start_pfn)); + ret = __remove_pages(zone, start_pfn, nr_pages); + if (unlikely(ret)) + pr_warn("%s: Failed, __remove_pages() == %d\n", __func__, + ret); + + return ret; +} +#endif #endif /* CONFIG_MEMORY_HOTPLUG */ |