[tip:x86/apic] x86, PCI, ACPI: Use kmalloc_node() to optimize for performance

[tip-bot for Jiang Liu]

Commit-ID:  965cd0e4a5e5d704934fa6d476b1a4faa0417e1b
Gitweb:     http://git.kernel.org/tip/965cd0e4a5e5d704934fa6d476b1a4faa0417e1b
Author:     Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
AuthorDate: Mon, 9 Jun 2014 16:19:34 +0800
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Sat, 21 Jun 2014 23:05:40 +0200

x86, PCI, ACPI: Use kmalloc_node() to optimize for performance

Use kmalloc_node() instead of kmalloc() when possible to optimize
for performance on NUMA platforms.

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1402302011-23642-6-git-send-email-jiang.liu@xxxxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 arch/x86/pci/acpi.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 5075371..cfd1b13 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -448,7 +448,7 @@ static void probe_pci_root_info(struct pci_root_info *info,
 		return;
 
 	size = sizeof(*info->res) * info->res_num;
-	info->res = kzalloc(size, GFP_KERNEL);
+	info->res = kzalloc_node(size, GFP_KERNEL, info->sd.node);
 	if (!info->res) {
 		info->res_num = 0;
 		return;
@@ -456,7 +456,7 @@ static void probe_pci_root_info(struct pci_root_info *info,
 
 	size = sizeof(*info->res_offset) * info->res_num;
 	info->res_num = 0;
-	info->res_offset = kzalloc(size, GFP_KERNEL);
+	info->res_offset = kzalloc_node(size, GFP_KERNEL, info->sd.node);
 	if (!info->res_offset) {
 		kfree(info->res);
 		info->res = NULL;
@@ -499,7 +499,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
 	if (node != NUMA_NO_NODE && !node_online(node))
 		node = NUMA_NO_NODE;
 
-	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	info = kzalloc_node(sizeof(*info), GFP_KERNEL, node);
 	if (!info) {
 		printk(KERN_WARNING "pci_bus %04x:%02x: "
 		       "ignored (out of memory)\n", domain, busnum);
--
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