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author | Yasunori Goto <y-goto@jp.fujitsu.com> | 2006-06-27 13:53:31 +0400 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-28 04:32:36 +0400 |
commit | 1e3590e2e4a38e8390fdac5bda23330bf2801838 (patch) | |
tree | 528591e9db601af913756b11d37e451202584cd2 /drivers/acpi/acpi_memhotplug.c | |
parent | bc02af93dd2bbddce1b55e0a493f833a1b7cf140 (diff) | |
download | linux-1e3590e2e4a38e8390fdac5bda23330bf2801838.tar.xz |
[PATCH] pgdat allocation for new node add (get node id by acpi)
This is to find node id from acpi's handle of memory_device in DSDT. _PXM for
the new node can be found by acpi_get_pxm() by using new memory's handle. So,
node id can be found by pxm_to_nid_map[].
This patch becomes simpler than v2 of node hot-add patch.
Because old add_memory() function doesn't have node id parameter.
So, kernel must find its handle by physical address via DSDT again.
But, v3 just give node id to add_memory() now.
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/acpi/acpi_memhotplug.c')
-rw-r--r-- | drivers/acpi/acpi_memhotplug.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 0424326eae15..1012284ff4f7 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -215,7 +215,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) { int result, num_enabled = 0; struct acpi_memory_info *info; - int node = 0; + int node; ACPI_FUNCTION_TRACE("acpi_memory_enable_device"); @@ -228,6 +228,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) return result; } + node = acpi_get_node(mem_device->handle); /* * Tell the VM there is more memory here... * Note: Assume that this function returns zero on success |