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[PATCH] NUMA aware block device control structure allocation

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Patch to allocate the control structures for for ide devices on the node of
the device itself (for NUMA systems).  The patch depends on the Slab API
change patch by Manfred and me (in mm) and the pcidev_to_node patch that I
posted today.

Does some realignment too.

Signed-off-by: Justin M. Forbes <[email protected]>
Signed-off-by: Christoph Lameter <[email protected]>
Signed-off-by: Pravin Shelar <[email protected]>
Signed-off-by: Shobhit Dayal <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Lameter 2005-06-23 00:08:19 -07:00 • committed by Linus Torvalds
commit 1946089a10
11 changed files with 77 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/ide/ide-disk.c
View file

@ -1215,7 +1215,8 @@ static int ide_disk_probe(struct device *dev)
if (!idkp)
goto failed;
g = alloc_disk(1 << PARTN_BITS);
g = alloc_disk_node(1 << PARTN_BITS,
pcibus_to_node(drive->hwif->pci_dev->bus));
if (!g)
goto out_free_idkp;

8
drivers/ide/ide-probe.c
View file

@ -977,8 +977,9 @@ static int ide_init_queue(ide_drive_t *drive)
* limits and LBA48 we could raise it but as yet
* do not.
*/
q = blk_init_queue(do_ide_request, &ide_lock);
q = blk_init_queue_node(do_ide_request, &ide_lock,
pcibus_to_node(drive->hwif->pci_dev->bus));
if (!q)
return 1;
@ -1095,7 +1096,8 @@ static int init_irq (ide_hwif_t *hwif)
hwgroup->hwif->next = hwif;
spin_unlock_irq(&ide_lock);
} else {
hwgroup = kmalloc(sizeof(ide_hwgroup_t),GFP_KERNEL);
hwgroup = kmalloc_node(sizeof(ide_hwgroup_t), GFP_KERNEL,
pcibus_to_node(hwif->drives[0].hwif->pci_dev->bus));
if (!hwgroup)
goto out_up;