The patch titled
Subject: memory-hotplug: integrated __remove_section() of CONFIG_SPARSEMEM_VMEMMAP.
has been added to the -mm tree. Its filename is
memory-hotplug-integrated-__remove_section-of-config_sparsemem_vmemmap.patch
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------------------------------------------------------
From: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Subject: memory-hotplug: integrated __remove_section() of CONFIG_SPARSEMEM_VMEMMAP.
Currently __remove_section for SPARSEMEM_VMEMMAP does nothing. But even
if we use SPARSEMEM_VMEMMAP, we can unregister the memory_section.
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Jianguo Wu <wujianguo@xxxxxxxxxx>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Cc: Wu Jianguo <wujianguo@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory_hotplug.c | 11 -----------
1 file changed, 11 deletions(-)
diff -puN mm/memory_hotplug.c~memory-hotplug-integrated-__remove_section-of-config_sparsemem_vmemmap mm/memory_hotplug.c
--- a/mm/memory_hotplug.c~memory-hotplug-integrated-__remove_section-of-config_sparsemem_vmemmap
+++ a/mm/memory_hotplug.c
@@ -430,16 +430,6 @@ static int __meminit __add_section(int n
return register_new_memory(nid, __pfn_to_section(phys_start_pfn));
}
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
-static int __remove_section(struct zone *zone, struct mem_section *ms)
-{
- /*
- * XXX: Freeing memmap with vmemmap is not implement yet.
- * This should be removed later.
- */
- return -EBUSY;
-}
-#else
static int __remove_section(struct zone *zone, struct mem_section *ms)
{
int ret = -EINVAL;
@@ -454,7 +444,6 @@ static int __remove_section(struct zone
sparse_remove_one_section(zone, ms);
return 0;
}
-#endif
/*
* Reasonably generic function for adding memory. It is
_
Patches currently in -mm which might be from tangchen@xxxxxxxxxxxxxx are
memory-hotplug-try-to-offline-the-memory-twice-to-avoid-dependence.patch
memory-hotplug-check-whether-all-memory-blocks-are-offlined-or-not-when-removing-memory.patch
memory-hotplug-remove-redundant-codes.patch
memory-hotplug-remove-sys-firmware-memmap-x-sysfs.patch
memory-hotplug-introduce-new-arch_remove_memory-for-removing-page-table.patch
memory-hotplug-implement-register_page_bootmem_info_section-of-sparse-vmemmap.patch
memory-hotplug-move-pgdat_resize_lock-into-sparse_remove_one_section.patch
memory-hotplug-common-apis-to-support-page-tables-hot-remove.patch
memory-hotplug-common-apis-to-support-page-tables-hot-remove-fix.patch
memory-hotplug-remove-page-table-of-x86_64-architecture.patch
memory-hotplug-remove-page-table-of-x86_64-architecture-fix.patch
memory-hotplug-remove-memmap-of-sparse-vmemmap.patch
memory-hotplug-integrated-__remove_section-of-config_sparsemem_vmemmap.patch
memory_hotplug-clear-zone-when-removing-the-memory.patch
memory-hotplug-remove-sysfs-file-of-node.patch
memory-hotplug-free-node_data-when-a-node-is-offlined.patch
memory-hotplug-do-not-allocate-pdgat-if-it-was-not-freed-when-offline.patch
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