[PATCH 5/7] ide: NUMA aware allocation of host and port structures

From: Bartlomiej Zolnierkiewicz
Date: Sun Dec 21 2008 - 16:01:56 EST


From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Subject: [PATCH] ide: NUMA aware allocation of host and port structures

kzalloc() -> kzalloc_node() in ide_host_alloc().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/ide-probe.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1391,9 +1391,11 @@ static void ide_free_port_slot(int idx)
struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
{
struct ide_host *host;
+ struct device *dev = hws[0] ? hws[0]->dev : NULL;
+ int node = dev ? dev_to_node(dev) : -1;
int i;

- host = kzalloc(sizeof(*host), GFP_KERNEL);
+ host = kzalloc_node(sizeof(*host), GFP_KERNEL, node);
if (host == NULL)
return NULL;

@@ -1404,7 +1406,7 @@ struct ide_host *ide_host_alloc(const st
if (hws[i] == NULL)
continue;

- hwif = kzalloc(sizeof(*hwif), GFP_KERNEL);
+ hwif = kzalloc_node(sizeof(*hwif), GFP_KERNEL, node);
if (hwif == NULL)
continue;

@@ -1429,8 +1431,7 @@ struct ide_host *ide_host_alloc(const st
return NULL;
}

- if (hws[0])
- host->dev[0] = hws[0]->dev;
+ host->dev[0] = dev;

if (d) {
host->init_chipset = d->init_chipset;
--
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