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* [PATCH 2/4] mm/acpi: use NUMA_NO_NODE
@ 2013-08-30  1:25 Jianguo Wu
  2013-08-30 12:07 ` Rafael J. Wysocki
  2013-08-30 21:48 ` David Rientjes
  0 siblings, 2 replies; 3+ messages in thread
From: Jianguo Wu @ 2013-08-30  1:25 UTC (permalink / raw)
  To: Andrew Morton
  Cc: Rafael J . Wysocki, lenb, linux-acpi, linux-mm, linux-kernel

Use more appropriate NUMA_NO_NODE instead of -1

Signed-off-by: Jianguo Wu <wujianguo@huawei.com>
---
 drivers/acpi/acpi_memhotplug.c |    2 +-
 drivers/acpi/numa.c            |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 999adb5..c00a3a7 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -281,7 +281,7 @@ static void acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
 		if (!info->enabled)
 			continue;
 
-		if (nid < 0)
+		if (nid == NUMA_NO_NODE)
 			nid = memory_add_physaddr_to_nid(info->start_addr);
 
 		acpi_unbind_memory_blocks(info, handle);
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 33e609f..09f79a2 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -73,7 +73,7 @@ int acpi_map_pxm_to_node(int pxm)
 {
 	int node = pxm_to_node_map[pxm];
 
-	if (node < 0) {
+	if (node == NUMA_NO_NODE) {
 		if (nodes_weight(nodes_found_map) >= MAX_NUMNODES)
 			return NUMA_NO_NODE;
 		node = first_unset_node(nodes_found_map);
@@ -334,7 +334,7 @@ int acpi_get_pxm(acpi_handle h)
 
 int acpi_get_node(acpi_handle *handle)
 {
-	int pxm, node = -1;
+	int pxm, node = NUMA_NO_NODE;
 
 	pxm = acpi_get_pxm(handle);
 	if (pxm >= 0 && pxm < MAX_PXM_DOMAINS)
-- 
1.7.1



^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH 2/4] mm/acpi: use NUMA_NO_NODE
  2013-08-30  1:25 [PATCH 2/4] mm/acpi: use NUMA_NO_NODE Jianguo Wu
@ 2013-08-30 12:07 ` Rafael J. Wysocki
  2013-08-30 21:48 ` David Rientjes
  1 sibling, 0 replies; 3+ messages in thread
From: Rafael J. Wysocki @ 2013-08-30 12:07 UTC (permalink / raw)
  To: Jianguo Wu; +Cc: Andrew Morton, lenb, linux-acpi, linux-mm, linux-kernel

On Friday, August 30, 2013 09:25:40 AM Jianguo Wu wrote:
> Use more appropriate NUMA_NO_NODE instead of -1
> 
> Signed-off-by: Jianguo Wu <wujianguo@huawei.com>

I'll queue this up for 3.13.

Thanks,
Rafael


> ---
>  drivers/acpi/acpi_memhotplug.c |    2 +-
>  drivers/acpi/numa.c            |    4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
> index 999adb5..c00a3a7 100644
> --- a/drivers/acpi/acpi_memhotplug.c
> +++ b/drivers/acpi/acpi_memhotplug.c
> @@ -281,7 +281,7 @@ static void acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
>  		if (!info->enabled)
>  			continue;
>  
> -		if (nid < 0)
> +		if (nid == NUMA_NO_NODE)
>  			nid = memory_add_physaddr_to_nid(info->start_addr);
>  
>  		acpi_unbind_memory_blocks(info, handle);
> diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
> index 33e609f..09f79a2 100644
> --- a/drivers/acpi/numa.c
> +++ b/drivers/acpi/numa.c
> @@ -73,7 +73,7 @@ int acpi_map_pxm_to_node(int pxm)
>  {
>  	int node = pxm_to_node_map[pxm];
>  
> -	if (node < 0) {
> +	if (node == NUMA_NO_NODE) {
>  		if (nodes_weight(nodes_found_map) >= MAX_NUMNODES)
>  			return NUMA_NO_NODE;
>  		node = first_unset_node(nodes_found_map);
> @@ -334,7 +334,7 @@ int acpi_get_pxm(acpi_handle h)
>  
>  int acpi_get_node(acpi_handle *handle)
>  {
> -	int pxm, node = -1;
> +	int pxm, node = NUMA_NO_NODE;
>  
>  	pxm = acpi_get_pxm(handle);
>  	if (pxm >= 0 && pxm < MAX_PXM_DOMAINS)
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH 2/4] mm/acpi: use NUMA_NO_NODE
  2013-08-30  1:25 [PATCH 2/4] mm/acpi: use NUMA_NO_NODE Jianguo Wu
  2013-08-30 12:07 ` Rafael J. Wysocki
@ 2013-08-30 21:48 ` David Rientjes
  1 sibling, 0 replies; 3+ messages in thread
From: David Rientjes @ 2013-08-30 21:48 UTC (permalink / raw)
  To: Jianguo Wu
  Cc: Andrew Morton, Rafael J . Wysocki, lenb, linux-acpi, linux-mm,
	linux-kernel

On Fri, 30 Aug 2013, Jianguo Wu wrote:

> Use more appropriate NUMA_NO_NODE instead of -1
> 
> Signed-off-by: Jianguo Wu <wujianguo@huawei.com>

Acked-by: David Rientjes <rientjes@google.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-08-30 21:48 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2013-08-30  1:25 [PATCH 2/4] mm/acpi: use NUMA_NO_NODE Jianguo Wu
2013-08-30 12:07 ` Rafael J. Wysocki
2013-08-30 21:48 ` David Rientjes

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