[RFC PATCH v5 14/19] memory-hotplug: move register_page_bootmem_info_node and put_page_bootmem for sparse-vmemmap
From: Wen Congyang <hidden>
Date: 2012-07-27 10:28:47
Also in:
linux-acpi, linux-mm, linux-s390, linux-sh, lkml
Subsystem:
memory hot(un)plug, memory management, the rest · Maintainers:
David Hildenbrand, Oscar Salvador, Andrew Morton, Linus Torvalds
From: Yasuaki Ishimatsu <redacted> For implementing register_page_bootmem_info_node of sparse-vmemmap, register_page_bootmem_info_node and put_page_bootmem are moved to memory_hotplug.c CC: David Rientjes <rientjes@google.com> CC: Jiang Liu <redacted> CC: Len Brown <redacted> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: Paul Mackerras <redacted> CC: Christoph Lameter <redacted> Cc: Minchan Kim <redacted> CC: Andrew Morton <akpm@linux-foundation.org> CC: KOSAKI Motohiro <redacted> CC: Wen Congyang <redacted> Signed-off-by: Yasuaki Ishimatsu <redacted> --- include/linux/memory_hotplug.h | 9 --------- mm/memory_hotplug.c | 8 ++++++-- 2 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 0d500be..fe50a9b 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h@@ -162,17 +162,8 @@ static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat) #endif /* CONFIG_NUMA */ #endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */ -#ifdef CONFIG_SPARSEMEM_VMEMMAP -static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) -{ -} -static inline void put_page_bootmem(struct page *page) -{ -} -#else extern void register_page_bootmem_info_node(struct pglist_data *pgdat); extern void put_page_bootmem(struct page *page); -#endif /* * Lock for memory hotplug guarantees 1) all callbacks for memory hotplug
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index eae946b..180d555 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c@@ -91,7 +91,6 @@ 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, unsigned long type) {
@@ -127,6 +126,7 @@ void __ref put_page_bootmem(struct page *page) } +#ifndef CONFIG_SPARSEMEM_VMEMMAP static void register_page_bootmem_info_section(unsigned long start_pfn) { unsigned long *usemap, mapsize, section_nr, i;
@@ -163,6 +163,11 @@ static void register_page_bootmem_info_section(unsigned long start_pfn) get_page_bootmem(section_nr, page, MIX_SECTION_INFO); } +#else +static inline void register_page_bootmem_info_section(unsigned long start_pfn) +{ +} +#endif void register_page_bootmem_info_node(struct pglist_data *pgdat) {
@@ -198,7 +203,6 @@ void register_page_bootmem_info_node(struct pglist_data *pgdat) register_page_bootmem_info_section(pfn); } -#endif /* !CONFIG_SPARSEMEM_VMEMMAP */ static void grow_zone_span(struct zone *zone, unsigned long start_pfn, unsigned long end_pfn)
--
1.7.1