The patch titled
Subject: i40e: use numa_mem_id() to better support memoryless node
has been added to the -mm tree. Its filename is
i40e-use-numa_mem_id-to-better-support-memoryless-node.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/i40e-use-numa_mem_id-to-better-support-memoryless-node.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/i40e-use-numa_mem_id-to-better-support-memoryless-node.patch
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------------------------------------------------------
From: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Subject: i40e: use numa_mem_id() to better support memoryless node
i40e_clean_rx_irq() tries to reuse memory pages allocated from the nearest
node. To better support memoryless node, use numa_mem_id() instead of
numa_node_id() to get the nearest node with memory.
This change should only affect performance.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Mike Galbraith <umgwanakikbuti@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: "Rafael J . Wysocki" <rafael.j.wysocki@xxxxxxxxx>
Cc: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/intel/i40e/i40e_txrx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/net/ethernet/intel/i40e/i40e_txrx.c~i40e-use-numa_mem_id-to-better-support-memoryless-node drivers/net/ethernet/intel/i40e/i40e_txrx.c
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c~i40e-use-numa_mem_id-to-better-support-memoryless-node
+++ a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1518,7 +1518,7 @@ static int i40e_clean_rx_irq_ps(struct i
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
u16 rx_packet_len, rx_header_len, rx_sph, rx_hbo;
u16 cleaned_count = I40E_DESC_UNUSED(rx_ring);
- const int current_node = numa_node_id();
+ const int current_node = numa_mem_id();
struct i40e_vsi *vsi = rx_ring->vsi;
u16 i = rx_ring->next_to_clean;
union i40e_rx_desc *rx_desc;
_
Patches currently in -mm which might be from jiang.liu@xxxxxxxxxxxxxxx are
linux-next.patch
x86-numa-acpi-online-node-earlier-when-doing-cpu-hot-addition.patch
kernel-profilec-replace-cpu_to_mem-with-cpu_to_node.patch
sgi-xp-replace-cpu_to_node-with-cpu_to_mem-to-support-memoryless-node.patch
openvswitch-replace-cpu_to_node-with-cpu_to_mem-to-support-memoryless-node.patch
i40e-use-numa_mem_id-to-better-support-memoryless-node.patch
i40evf-use-numa_mem_id-to-better-support-memoryless-node.patch
x86-numa-kill-useless-code-to-improve-code-readability.patch
mm-update-_mem_id_-for-every-possible-cpu-when-memory-configuration-changes.patch
mm-x86-enable-memoryless-node-support-to-better-support-cpu-memory-hotplug.patch
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