提交 0efc8eb9 编写于 作者: B Bob Liu 提交者: Linus Torvalds

page_cgroup: drop multi CONFIG_MEMORY_HOTPLUG

No need for two CONFIG_MEMORY_HOTPLUG blocks.
Signed-off-by: NBob Liu <lliubbo@gmail.com>
Acked-by: NMichal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 d0048b0e
......@@ -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;
......
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