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| author | Bob Liu <lliubbo@gmail.com> | 2012-01-12 17:19:08 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-12 20:13:08 -0800 |
| commit | 0efc8eb9c6a177836dac88b2cbb8815f9e4f8d5a (patch) | |
| tree | e0da1e44675f2c8be76f75b39efefc5f96c64a3f /mm | |
| parent | d0048b0e59c1218d62bb4d014f34bbd7e7c0a214 (diff) | |
| download | lwn-0efc8eb9c6a177836dac88b2cbb8815f9e4f8d5a.tar.gz lwn-0efc8eb9c6a177836dac88b2cbb8815f9e4f8d5a.zip | |
page_cgroup: drop multi CONFIG_MEMORY_HOTPLUG
No need for two CONFIG_MEMORY_HOTPLUG blocks.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_cgroup.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c index b99d19edf89b..de1616aa9b1e 100644 --- a/mm/page_cgroup.c +++ b/mm/page_cgroup.c @@ -124,22 +124,6 @@ static void *__meminit alloc_page_cgroup(size_t size, int nid) return addr; } -#ifdef CONFIG_MEMORY_HOTPLUG -static void free_page_cgroup(void *addr) -{ - if (is_vmalloc_addr(addr)) { - vfree(addr); - } else { - struct page *page = virt_to_page(addr); - size_t table_size = - sizeof(struct page_cgroup) * PAGES_PER_SECTION; - - BUG_ON(PageReserved(page)); - free_pages_exact(addr, table_size); - } -} -#endif - static int __meminit init_section_page_cgroup(unsigned long pfn, int nid) { struct mem_section *section; @@ -176,6 +160,20 @@ static int __meminit init_section_page_cgroup(unsigned long pfn, int nid) return 0; } #ifdef CONFIG_MEMORY_HOTPLUG +static void free_page_cgroup(void *addr) +{ + if (is_vmalloc_addr(addr)) { + vfree(addr); + } else { + struct page *page = virt_to_page(addr); + size_t table_size = + sizeof(struct page_cgroup) * PAGES_PER_SECTION; + + BUG_ON(PageReserved(page)); + free_pages_exact(addr, table_size); + } +} + void __free_page_cgroup(unsigned long pfn) { struct mem_section *ms; |