[PATCH v6 11/15] memory-hotplug: Integrated __remove_section() of CONFIG_SPARSEMEM_VMEMMAP.
From: Tang Chen <hidden>
Date: 2013-01-09 10:00:13
Also in:
linux-acpi, linux-mm, linux-s390, linux-sh, lkml, sparclinux
Subsystem:
memory hot(un)plug, memory management, the rest · Maintainers:
David Hildenbrand, Oscar Salvador, Andrew Morton, Linus Torvalds
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 <redacted> Signed-off-by: Wen Congyang <redacted> Signed-off-by: Tang Chen <redacted> --- mm/memory_hotplug.c | 11 ----------- 1 files changed, 0 insertions(+), 11 deletions(-)
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 674e791..b20c4c7 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c@@ -430,16 +430,6 @@ static int __meminit __add_section(int nid, struct zone *zone, 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 *zone, struct mem_section *ms) sparse_remove_one_section(zone, ms); return 0; } -#endif /* * Reasonably generic function for adding memory. It is
--
1.7.1