diff options
| author | Yasunori Goto <y-goto@jp.fujitsu.com> | 2008-07-23 21:28:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 10:47:21 -0700 |
| commit | af370fb8cb3031f20438f246798d5f0d98089f29 (patch) | |
| tree | a5b06adeeaeaafb89c7d326ed1daabd0caa364c8 | |
| parent | 48c906823f3927b981db9f0b03c2e2499977ee93 (diff) | |
memory hotplug: small fixes to bootmem freeing for memory hotremove
- Change some naming
* Magic -> types
* MIX_INFO -> MIX_SECTION_INFO
* Change definition of bootmem type from direct hex value
- __free_pages_bootmem() becomes __meminit.
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Johannes Weiner <hannes@saeurebad.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/memory_hotplug.h | 8 | ||||
| -rw-r--r-- | mm/memory_hotplug.c | 12 | ||||
| -rw-r--r-- | mm/page_alloc.c | 2 |
3 files changed, 11 insertions, 11 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index ea9f5ad9ec8..3628e5088f6 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -13,12 +13,12 @@ struct mem_section; #ifdef CONFIG_MEMORY_HOTPLUG /* - * Magic number for free bootmem. + * Types for free bootmem. * The normal smallest mapcount is -1. Here is smaller value than it. */ -#define SECTION_INFO 0xfffffffe -#define MIX_INFO 0xfffffffd -#define NODE_INFO 0xfffffffc +#define SECTION_INFO (-1 - 1) +#define MIX_SECTION_INFO (-1 - 2) +#define NODE_INFO (-1 - 3) /* * pgdat resizing functions diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index ec85c37dcfb..0fb05b258f0 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -62,9 +62,9 @@ static void release_memory_resource(struct resource *res) #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE #ifndef CONFIG_SPARSEMEM_VMEMMAP -static void get_page_bootmem(unsigned long info, struct page *page, int magic) +static void get_page_bootmem(unsigned long info, struct page *page, int type) { - atomic_set(&page->_mapcount, magic); + atomic_set(&page->_mapcount, type); SetPagePrivate(page); set_page_private(page, info); atomic_inc(&page->_count); @@ -72,10 +72,10 @@ static void get_page_bootmem(unsigned long info, struct page *page, int magic) void put_page_bootmem(struct page *page) { - int magic; + int type; - magic = atomic_read(&page->_mapcount); - BUG_ON(magic >= -1); + type = atomic_read(&page->_mapcount); + BUG_ON(type >= -1); if (atomic_dec_return(&page->_count) == 1) { ClearPagePrivate(page); @@ -119,7 +119,7 @@ static void register_page_bootmem_info_section(unsigned long start_pfn) mapsize = PAGE_ALIGN(usemap_size()) >> PAGE_SHIFT; for (i = 0; i < mapsize; i++, page++) - get_page_bootmem(section_nr, page, MIX_INFO); + get_page_bootmem(section_nr, page, MIX_SECTION_INFO); } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index cd4c41432ef..6da667274df 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -533,7 +533,7 @@ static void __free_pages_ok(struct page *page, unsigned int order) /* * permit the bootmem allocator to evade page validation on high-order frees */ -void __free_pages_bootmem(struct page *page, unsigned int order) +void __meminit __free_pages_bootmem(struct page *page, unsigned int order) { if (order == 0) { __ClearPageReserved(page); |